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M‑3311A Transformer Protection Relay

Output Contacts

Any of the functions can be individually programmed to activate any one or more of the eight programmable

output contacts OUTPUT1 through OUTPUT8. Any output contact can also be selected as pulsed or latched.

IPSlogic can also be used to activate an output contact.
The optional I/O Expansion Module includes an additional 8 programmable output contacts.
The eight output contacts (six form ‘a’ and two form ‘c’), the power supply alarm output contact (form ‘b’), the

self-test alarm output contact (form ‘c’) and the optional 8 I/O Expansion Module output contacts (form 'a') are

all rated per IEEE C37.90/UL (See Tests and Standards section for details).

Breaker Monitoring

The Breaker Monitoring function calculates an estimate of the per-phase wear on the breaker contacts by

measuring and integrating the current (selected as

I

2

t or

I

t) passing through the breaker contacts during the

interruption interval. The per-phase values are summed as an accumulated total for each phase, and then

compared to a user-programmed threshold value. When the threshold is exceeded in any phase, the relay

can activate a programmable output contact. The accumulated value for each phase can be displayed as an

actual value.

IPSlogic

This feature can be programmed utilizing the IPScom

®

Communications Software. IPSlogic takes the contact

input status and function status, and by employing (OR, AND and NOT) boolean logic and a timer can activate

an output or change setting profiles.

Target/Status Indicators and Controls

The

RELAY OK

LED reveals proper cycling of the microcomputer. The

BRKR CLOSED

LED illuminates when

the breaker is closed (when the 52b contact is open). The

OSC TRIG

LED indicates that oscillographic data

has been recorded in the unit's memory. The corresponding

TARGET

LED will illuminate when any of the relay

functions trip. Pressing and releasing the

TARGET RESET

button resets the

TARGET

LEDs if the conditions

causing the operation have been removed. Pressing and holding the

TARGET RESET

button will allow elements

or functions in pickup to be displayed. The

PS1

and

PS2

LEDs remain illuminated as long as power is applied

to the unit and the power supply is operating properly.

TIME SYNCH

LED illuminates when valid IRIG-B signal

is applied and time synchronization has been established.

Communication

Communication ports include rear RS-232 and RS-485 ports, a front RS-232 port and a rear IRIG-B port

(Ethernet port optional). The communications protocol implements serial, byte-oriented, asynchronous

communication, providing the following functions when used with the Windows™-compatible S-3300 IPScom

®

Communications Software.

• Interrogation and modification of setpoints

• Time-stamped trip target information for the 8 most recent events

• Real-time metering of all measured and calculated quantities, real-time monitoring of percentage

differential characteristics, and vector displays of compensated and uncompensated phasors.

• Downloading of recorded oscillographic data

• Downloading of Through-Fault Event Log

• Downloading Sequence of Events

• MODBUS and DNP3.0 protocols are supported

• The optional Ethernet port can be purchased with MODBUS over TCP/IP, BECO2200 over TCP/IP,

DNP 3.0 protocol or with the IEC 61850 protocol

Detailed documentation on the above protocols is available on the Beckwith Electric website, at www.

beckwithelectric.com

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Содержание M?3311A

Страница 1: ...Instruction Book M 3311A Transformer Protection Relay ...

Страница 2: ...n Load Shedding voltage and frequency Bus Protection and individual Breaker Failure Protection for each winding input Available voltage configurations include zero two or four voltage inputs Ground Differential configurations include one two or three current inputs Optional Ethernet Connection and Expanded I O Optional Voltage Package includes 24 Volts Hz Overexcitation 27 Phase Undervoltage 59G G...

Страница 3: ...ecording Through Fault Monitoring 8 target storage Real time metering of measured and calculated parameters including demand currents Two RS 232 and one RS 485 communications ports Standard 19 rack mount design Removable printed circuit board and power supply 50 and 60 Hz models available 1 or 5 A rated CT inputs available S 3300 IPScom Communications Software IRIG B time synchronization Sequence ...

Страница 4: ...s Maximum Overload Current 1 00 to 10 00 A 0 01 A 0 1 A or 2 0 2 to 2 00 A 0 02 A or 3 Winding Select Sum1 Sum2 W1 W2 W3 or W4 Instantaneous Phase Overcurrent 1 8 Pickup 1 0 to 100 0 A 0 1 A 0 1 A or 3 0 2 to 20 0 A 0 02 A or 3 Time Delay 1 to 8160 Cycles 1 Cycle 2 Cycles or 1 Current Selection Sum1 Sum2 W1 W2 W3 W4 Breaker Failure 50BFW1 50BFW2 50BFW3 50BFW4 Pickup phase 0 10 to 10 00 A 0 01 A 0 ...

Страница 5: ... may be summed together Inverse Time Ground Overcurrent 51GW2 51GW3 51GW4 Pickup 0 50 to 12 00 A 0 01 A 0 1 A or 3 0 10 to 2 40 A 0 02 A or 3 Characteristic Curve Beco Definite Time Inverse Very Inverse Extremely Inverse IEC Inverse Very Inverse Extremely Inverse Long Time Inverse IEEE Moderately Inverse Very Inverse Extremely Inverse Time Dial Setting 0 5 to 11 0 0 1 3 Cycles or 3 0 05 to 1 10 IE...

Страница 6: ...elay set to 1 cycle is less than 1 5 cycles Each restraint element may be individually disabled enabled or set for cross phase averaging Ground Differential 87GDW2 87GDW3 87GDW4 Pickup 1 2 0 2 to 10 00 A 0 01 A 0 1 A or 5 0 04 to 2 00 A 0 02 A or 5 Time Delay 1 2 1 to 8160 Cycles 1 Cycle 1 to 3 Cycles or 1 3IO Current Selection Sum1 Sum2 W2 W3 W4 Directional Element Disable Enable CT Ratio Correct...

Страница 7: ...s only trip circuit supervision when breaker is closed Both the DC supply and continuity for the circuit is monitored Breaker Monitoring Pickup 1 to 50 000 kA Cycles 1 kA Cycles 1 kACycles or kA2 Cycles or kA2 Cycles or kA2 Cycles Time Delay 0 1 to 4095 9 Cycles 0 1 Cycles 1 Cycle or 1 Timing Method IT or I2 T Preset Accumulators 0 to 50 000 kA Cycles 1 kA Cycle Phase A B C The Breaker Monitor fea...

Страница 8: ...BC ACB Number of Windings 2 3 or 4 Transformer CT Connection Standard IEEE IEC or Custom Connections Functions that can be Implemented with Overcurrent Input Output Connections Load Shedding Can help prevent overloading of remaining transformers when a station transformer is out of service Bus Fault Protection Provides high speed bus protection by combining digital feeder relay logic and transform...

Страница 9: ... Setting 5 to 140 V 1 V 0 5 V Time Delay 1 to 8160 Cycles 1 Cycle 1 to 3 Cycles or 1 This function is applicable only when phase voltage input is applied Elements 2 and 3 are not available in four winding applications Phase Overvoltage 1 3 Pickup 5 to 180 V 1 V 0 5 V or 0 5 Time Delay 1 to 8160 Cycles 1 Cycle 1 Cycle or 1 Input Voltage Selection Phase Positive Sequence Negative Sequence Ground Ove...

Страница 10: ...O Units Trip Circuit Monitor TCM 1 Time Delay 1 to 8160 Cycles 1 Cycle 1 Cycle or 1 TCM 1 Dropout Time Delay 1 to 8160 Cycles 1 Cycle 1 Cycle or 1 TCM 2 Time Delay 1 to 8160 Cycles 1 Cycle 1 Cycle or 1 TCM 2 Dropout Time Delay 1 to 8160 Cycles 1 Cycle 1 Cycle or 1 Close Circuit Monitor CCM 1 Time Delay 1 to 8160 Cycles 1 Cycle 1 Cycle or 1 CCM 1 Dropout Time Delay 1 to 8160 Cycles 1 Cycle 1 Cycle ...

Страница 11: ... or 3 whichever is greater range 0 to 14 A 1 A rating 0 02 A or 3 whichever is greater range 0 to 2 8 A Power 0 01 PU or 2 of VA applied whichever is greater Frequency 0 1 Hz from 57 to 63 Hz for 60 Hz models from 47 to 53 Hz for 50 Hz models Volts Hz 1 Oscillographic Recorder The oscillographic recorder provides comprehensive data recording of all monitored waveforms for Windings 1 2 3 and 4 The ...

Страница 12: ... 230 240 V ac 50 60 Hz or nominal 110 125 220 250 V dc UL rating 85Vac to 265 V ac and from 80 V dc to 288 V dc Burden 20 VA at 120 V ac 125 V dc Withstands 300 V ac or 300 V dc for 1 second Nominal 24 48 V dc operating range from 18 V dc to 56 V dc Burden 20 VA at 24 V dc and 20 VA at 48 V dc Withstands 65 V dc for 1 second An optional redundant power supply is available for units that are purcha...

Страница 13: ...crocomputer The BRKR CLOSED LED illuminates when the breaker is closed when the 52b contact is open The OSC TRIG LED indicates that oscillographic data has been recorded in the unit s memory The corresponding TARGET LED will illuminate when any of the relay functions trip Pressing and releasing the TARGET RESET button resets the TARGET LEDs if the conditions causing the operation have been removed...

Страница 14: ...ovides 24 target and 8 output LEDs Appropriate target LEDs illuminate when the corresponding M 3311A function trips The targets can be reset with the M 3311A TARGET RESET button if the trip conditions have been removed The OUTPUT LEDs illuminate when a given programmable output is actuated M 3801D IPSplot Plus Oscillograph Analysis Software optional M 3801D IPSplot Plus Oscillograph Analysis Softw...

Страница 15: ... 90 1 2 500 V pk pk oscillatory applied between each independent circuit 2012 4 000 V pk Fast Transient burst applied to each independent circuit to earth 4 000 V pk Fast Transient burst applied between each independent circuit NOTE Digital data circuits RS 232 RS 485 IRIG B Ethernet communication port and field ground coupling port through capacitive coupling clamp IEC 61000 4 5 4 000 V pk 12 Ω 4...

Страница 16: ...Vertical or horizontal panel mount options are available Approximate Weight 16 lbs 7 kg Approximate Shipping Weight 25 lbs 11 3 kg With Optional I O Expansion Module Size 19 00 wide x 6 96 high x 10 2 deep 48 3 cm x 17 7 cm x 25 9 cm Mounting The unit is a standard 19 semiflush four unit high rack mount panel design conforming to ANSI EIA RS 310C and DIN 41494 Part 5 specifications Vertical or hor...

Страница 17: ...e and without power applied to the relay 5 The power supply relay P S is energized when the power supply is functioning properly 6 The self test relay is energized when the relay has performed all self tests successfully 62 52 46 45 49 47 48 50 51 53 54 55 56 57 58 59 60 61 LARGO F L 33773 3724 727 544 2326 B E C K W IT H E L E C T R I C C O I N C 6 19 0 118 t h AV E NO IRIG B RS 2 3 2 COM 2 1 2 3...

Страница 18: ...functioning properly 6 The self test relay is energized when the relay has performed all self tests successfully P S 1 3 A MP 2 5 0 V 3 A B 3 A MP 2 5 0 V 3 A B P S 2 F 1 F 2 F 4 14 13 12 11 10 9 16 15 O U T P U T S I N P U T S I N 17 18 13 14 15 16 RS232 76 77 80 78 79 81 82 92 85 83 84 86 87 88 89 91 90 97 93 94 95 96 98 99 113 101 100 102 103 108 104 105 107 106 109 110 111 112 114 115 COM 2 I ...

Страница 19: ... Voltage Protection Package M 3311A Targets Optional Integral HMI Optional Metering Sequence Of Events Waveform Capture IRIG B Front RS232 Communication Multiple Setting Groups Programmable I O Self Diagnostics Dual Power Supply Optional Rear RS 232 485 Communication Programmable Logic 51N 51N 50N BF 87T 87H 50 51 50G 51G 50 BF 50 51 46 24 81U 27 R 59G 59 Figure 3 M 3311A Two Winding Two or Four V...

Страница 20: ... 1 CT 50N BF 51N 50BF 49 49 49 50N 50N Targets Optional Integral HMI Optional Metering Sequence Of Events Waveform Capture IRIG B Front RS232 Communication Multiple Setting Groups Programmable I O Self Diagnostics Dual Power Supply Optional Rear RS 232 485 Communication Programmable Logic A 50N 59 NOTE NOTE NOTE NOTE 49 Function can only be enabled in one winding NOTE All 50 and 50G functions may ...

Страница 21: ...ng Groups Programmable I O Self Diagnostics Dual Power Supply Optional Rear RS 232 485 Communication Programmable Logic A RJ45 Ethernet Optional 52 52 51 50 1 50N BF 51N 50BF 49 50N 3 CT Winding 4 W4 VT 2 1 VT 2 81 O U 27 24 VG V0 46 59 49 Function can only be enabled in one winding NOTES 1 All 50 and 50G functions may be applied instantaneous or definite time and are multiple 2 elements each with...

Страница 22: ...ogrammable I O Self Diagnostics Dual Power Supply Optional Rear RS 232 485 Communication Programmable Logic A RJ45 Ethernet Optional 52 52 3 CT Winding 4 W4 VT 2 1 VT 2 81 O U 27 24 Σ Two sets of summed winding cuurents can be enabled at a time VG Vo 59 49 Function can only be enabled in one winding NOTES 1 All 50 and 50G functions may be applied instantaneous or definite time and are multiple 2 e...

Страница 23: ...tion Relay 52 52 R Aux M 3311A System Figure 8 Generator Plant Overall Differential Zone of Protection 52 52 52 52 M 3311A R Aux M 3311A R M 3311A System 52 Aux REF Figure 7 Dual Generator Power Plant Differential Zone of Protection ...

Страница 24: ...3311A Transformer Protection Relay 52 52 52 M 3311A System Y R Figure 9 Three Winding Transformer with High Impedance Ground 52 System 52 System 52 M 3311A M 3311A Figure 10 Dual Bank Distribution Substation ...

Страница 25: ...and Winding 3 4 current summed for overcurrent function 2 87GDW2 function 3Io current is the sum of W1 W2 W3 and W4 currents Figure 11 Auto Transformer with two Circuit Breakers on High and Low Side M 3311A W1 W2 W3 52 3 52 4 52 1 52 2 W4 Figure 12 Two Winding Transformer with Two Circuit Breakers on High and Low Sides ...

Страница 26: ... 50 44 45 ACTUAL 5 21 13 23 ACTUAL 0 40 1 02 X 0 27 0 68 Slot 4X 10 20 25 91 19 00 48 26 18 31 46 51 0 35 0 89 1 48 3 8 2 25 5 72 NOTE Dimensions in brackets are in centimeters 1 See Instruction Book Chapter 5 for Mounting and Cutout information Figure 13 Horizontal Unit Dimensions Without Expanded I O H1 ...

Страница 27: ...3311A Transformer Protection Relay NOTES 1 Dimensions in brackets are in centimeters 2 See Instruction Book Chapter 5 for Mounting and Cutout information Figure 14 Horizontal Unit Dimensions With Expanded I O ...

Страница 28: ...T DIAG TIME OSC TRIG SYNC BRKR CLOSED OK RELAY TARGET RESET PS 2 PS 1 17 5 44 45 ACTUAL 5 65 14 40 Recommended cutout when relay is not used as standard rack mount and is panel cut out mounted 19 00 48 26 17 50 44 45 0 35 0 89 0 03 0 076 NOTE Dimensions in brackets are in centimeters 6 19 15 7 NOTES 1 Dimensions in brackets are in centimeters 2 See Instruction Book Chapter 5 for Mounting and Cutou...

Страница 29: ... 5 0 H z FIRMWARE D 0179 V ª F 4 F 3 F 2 P S 2 P S 1 2 5 0 V 3 A M P 3 A B F 1 B I C I G I A I B I C I G I PS1 O U T P U T S A U C O M 3 I N 5 I N 4 I N 3 I N 2 I N 1 52 R S 4 8 5 C I B I A I W1 W I N D I N G 1 W2 W I N D I N G 2 CCM 2 TCM 2 CCM 1 TCM 1 R A T E D V O L T A G E W3 W I N D I N G 3 COM 2 RS 232 IRIG B V IA 6 2 5 2 4 6 4 5 4 9 4 7 4 8 5 0 5 1 5 3 5 4 5 5 5 6 5 7 5 8 5 9 6 0 6 1 6 3 IB...

Страница 30: ... 29 M 3311A Transformer Protection Relay This Page Left Intentionally Blank ...

Страница 31: ...0 118th Avenue North Largo Florida 33773 3724 U S A PHONE 727 544 2326 FAX 727 546 0121 marketing beckwithelectric com www beckwithelectric com ISO 9001 2008 2005 Beckwith Electric Co Printed in U S A 1 15 03 800 3311A SP 08 09 15 ...

Страница 32: ... equipment in a test area the Protective Earth Terminal must be attached to a separate ground securely by use of a tool since it is not grounded by external connectors Do NOT operate in an explosive environment Do not operate this equipment in the presence of flammable or explosive gases or fumes To do so would risk a possible fire or explosion Keep away from live circuits Operating personnel must...

Страница 33: ...atures are maintained Always replace components with those of equal or better quality as shown in the Parts List of the Instruction Book Avoid static charge This unit contains MOS circuitry which can be damaged by improper test or rework procedures Care should be taken to avoid static charge on work surfaces and service personnel Use caution when measuring resistances Any attempt to measure resist...

Страница 34: ...ommunication Ports 1 3 S 3300 IPScom Communications Software 1 3 1 3 Accessories 1 4 M 3911A Target Module 1 4 M 3933 M 0423 Serial Communication Cables 1 4 M 3931 Human Machine Interface HMI Module 1 4 M 3801D IPSplot Plus Oscillograph Analysis Software 1 5 M 3933 M 0423 Serial Communications Cable 1 5 M 3949 Redundant Low Voltage Power Supply 1 5 M 3948 Redundant High Voltage Power Supply 1 5 Ch...

Страница 35: ...llograph Recorder From IPScom 2 21 Retrieve Oscillograph Records 2 21 Trigger Oscillograph 2 22 Clear Oscillograph Records 2 22 OSC to ComTrade 2 22 Software Version Relay Front Panel only 2 23 Serial Number Relay Front Panel only 2 23 Alter Access Codes From Relay Front Panel 2 24 Alter User Access Codes From IPScom 2 25 Comm Access Codes 2 25 User Access Codes 2 25 User Access Codes 2 26 System ...

Страница 36: ...us 3 17 Monitor 87T Dual Slope 3 18 Relay Menu 3 19 Relay Setup 3 19 Relay Setup Setup System 3 19 Relay Setup Relay Setpoints 3 22 Relay Setup Set Date Time 3 23 Relay Setup Display I O Map 3 24 Relay Setup Display All Setpoints 3 26 Relay Demand Status 3 28 Relay Targets 3 29 Relay Through Fault 3 30 Relay Sequence of Events 3 31 Relay Oscillograph 3 33 Relay Profile 3 34 Relay Write File to Rel...

Страница 37: ...COM Port Definitions and System s Communication Address 4 10 HMI COM Port Definitions and Device Address 4 12 Ethernet Communication Settings 4 13 DHCP Protocol 4 13 ETHERNET Protocols 4 13 IPScom Ethernet Port Setup with DHCP 4 13 IPScom Ethernet Port Setup without DHCP 4 14 HMI Ethernet Port Setup 4 14 Manual Configuration of Ethernet Board 4 15 Installing the Modems 4 16 Connecting the PC Modem...

Страница 38: ...esidual Overcurrent 4 68 51G Inverse Time Ground Overcurrent 4 69 59 Phase Overvoltage 2 3 Winding 4 70 59G VG Ground Overvoltage 4 71 4 Winding 4 71 81O U Over Underfrequency 4 73 87 Phase Differential 4 75 87H Phase Differential Unrestrained High Set Overcurrent 4 75 87 Phase Differential 4 77 87T Phase Differential Restrained Overcurrent 4 77 Slope 1 4 77 Slope 2 4 77 Even Harmonic Restraint 4 ...

Страница 39: ...ents 4 104 M 3311A Connection Examples 4 104 Auxiliary Transformer Example Three Windings 4 104 GSU Transformer Example 4 104 Beckwith Y Delta ac Delta ac 4 109 IEC Description Y d1 d1 4 109 REF Winding 4 109 Chapter 5 Installation 5 1 General Information 5 1 5 2 Mechanical Physical Dimensions 5 1 5 3 External Connections 5 7 Replacement Fuses 5 7 Power Supply 5 7 Grounding Requirements 5 7 Unit I...

Страница 40: ...lts Hz Overexcitation Definite Time 1 or 2 6 23 24IT Volts Hz Overexcitation Inverse Time 6 24 27 Phase Undervoltage 6 25 46DT Negative Sequence Overcurrent Definite Time 6 26 46IT Negative Sequence Overcurrent Inverse Time 6 27 49 Winding Thermal Protection 6 29 50 Instantaneous Phase Overcurrent 1 8 6 31 50G Instantaneous Ground Overcurrent 6 32 50N Instantaneous Residual Overcurrent 6 33 50BF B...

Страница 41: ...tpoints and Settings A 11 Appendix B Communications DNP Configuration Parameters B 1 M 3311 Slave Address B 1 Communication Ports B 2 Appendix E Layup and Storage Storage Requirements Environment E 1 Storage Requirements Periodic Surveillance During Storage E 1 Layup Configuration E 1 Appendix F HMI Menu Flow F 1 HMI Menu Overview F 2 Key to Input Data F 2 F 2 HMI Menu Flow F 4 ...

Страница 42: ...raph Confirmation Screen 2 22 2 18 Oscillograph Successfully Triggered Dialog Screen 2 22 2 19 Clear Oscillograph Records Confirmation Screen 2 22 2 20 Oscillograph Successfully Cleared Records Dialog Screen 2 22 2 21 Change Comm Access Code Dialog Screen 2 25 2 22 Access Code Change Confirmation Screen 2 25 2 23 Access Code Changed Confirmation Screen 2 25 2 24 Access Level Code Dialog Screen 2 2...

Страница 43: ...reen 2 3 Winding 3 26 3 31 Display All Setpoints Screen 4 Winding 3 27 3 32 Demand Status Dialog Screen 2 3 Winding 3 28 3 33 Demand Status Dialog Screen 4 Winding 3 28 3 34 View Targets Dialog Screen 3 29 3 35 View Through Fault Record Screen 3 30 3 36 Sequence of Events Recorder Setup Screen 3 31 3 37 Sequence of Events Recorder Retrieve Screen 3 31 3 38 View Sequence of Events Recorder Screen 3...

Страница 44: ...tage Inputs Typical One Line Function Diagram 4 42 4 22 M 3311A Four Winding Two Voltage Inputs Summing Currents One Line Function Diagram 4 43 4 23 Typical Two Winding Two Voltage Inputs Three Line Connection Diagram 4 44 4 24 Typical Two Winding Four Voltage Inputs Three Line Connection Diagram 4 45 4 25 Typical Three Winding Two Voltage Inputs Three Line Connection Diagram 4 46 4 26 Typical Thr...

Страница 45: ...t Ranges 4 88 4 58 IPScom Through Fault Function Setpoint Ranges 4 89 4 59 IPSlogic Function Setup 4 91 4 60 IPScom IPS IPSlogic Functions Setpoint Ranges 4 92 4 61 Select Initiating Functions Screen 2 3 Winding 4 93 4 62 Select Initiating Functions Screen 4 Winding 4 93 4 63 IPSlogic Function Setup 4 94 4 64 Bus Fault Protection Scheme 4 95 4 65 Digital Feeder Relay Backup Scheme 4 96 4 66 Feeder...

Страница 46: ...oltage Inputs Vertical Chassis External Connections 5 22 5 23 Two Winding One Ground Input Two Voltage Inputs Vertical Chassis External Connections 5 23 5 24 Two Winding One Ground Input Four Voltage Inputs Vertical Chassis External Connections 5 24 5 25 Three Winding Two Ground Input Zero Voltage Inputs Vertical Chassis External Connections 5 25 5 26 Three Winding Two Ground Input Two Voltage Inp...

Страница 47: ...Winding 6 12 6 19 Current Inputs Configuration C7 2 Winding 6 13 6 20 Current Inputs Configuration C8 3 Winding 6 14 6 21 Two Voltage Inputs Configuration V5 2 Winding 6 15 6 22 Two Voltage Inputs Configuration V6 3 Winding 6 15 6 23 Four Voltage Inputs Configuration V7 2 Winding 6 15 6 24 Four Voltage Inputs Configuration V8 3 Winding 6 15 Appendix A Configuration Record Forms A 1 System Communic...

Страница 48: ...p Circuit Monitoring Menu Flow F 8 F 7 Configure Relay Voltage Relay Menu Flow Page 1 of 3 F 9 F 8 2 3 Winding Setup System Menu Flow Page 1 of 3 F 12 F 9 4 Winding Setup System Menu Flow Page 1 of 3 F 15 F 10 Relay Status Menu Flow Page 1 of 2 F 18 F 11 Relay Demand Menu Flow F 20 F 12 View Target History and Oscillograph Recorder Menu Flow F 21 F 13 Relay Communication Menu Flow Page 1 of 2 F 22...

Страница 49: ... 4 6 3 List of Protection Elements for 2 Winding Version Four Voltages 6 16 6 4 List of Protection Elements for 3 Winding Version Four Voltages 6 17 6 5 Terminal Connections for 2 Winding Current Inputs 6 18 6 6 Terminal Connections for 3 Winding Current Inputs 6 18 6 7 Terminal Connections for Two Voltage Inputs 2 Winding 6 19 6 8 Terminal Connections for Two Voltage Inputs 3 Winding 6 19 6 9 Ter...

Страница 50: ...1 4 Chapter 4 System Setup and Setpoints Chapter Four is designed for the person s responsible for the direct setting and configuration of the system It describes the procedures for entering all required data into the M 3311A Included in this chapter are functional and connection diagrams for a typical application for the system and describes the configuration process for the unit choosing active ...

Страница 51: ...uses digital signal processing technology to protect a high voltage transformer from internal winding faults system faults Through Faults abnormal voltage and frequency negative sequence current overloading and overexcitation V Hz disturbances The M 3311A also provides system wide protection by implementing breaker failure load shedding bus fault and digital feeder relay backup protection capabili...

Страница 52: ... selected the unit includes the second power supply The M 3311A includes self test auto calibration and diagnostic capabilities in addition to IRIG B time sync capability for accurate time tagging of events Communication Ports The M 3311A includes three physical communication ports If the optional RJ45 Ethernet port is purchased then COM2 is not available COM1 located on the relay front panel is a...

Страница 53: ...T NEG SEQ OC 49 WINDING THERMAL 50 50N 1 2 INST OC 50 50N 3 4 50GW2 INST OC 50 50N 5 6 50GW3 INST OC 51 1 51N 1 INV OC 51 2 51N 2 51GW2 INV OC 51 3 51N 3 51GW3 INV OC 51 4 51N 4 51GW4 INV OC BREAKER FAILURE 50BF GROUND OV 59G FREQUENCY 81 O U GROUND DIFFERENTIAL 87 GD PHASE DIFFERENTIAL 87 T H IPS LOGIC 1 IPS1 IPS LOGIC 2 IPS2 IPS LOGIC 3 IPS3 IPS LOGIC 4 IPS4 IPS LOGIC 5 IPS5 IPS LOGIC 6 IPS6 TAR...

Страница 54: ...ine Interface HMI Module M 3801D IPSplot Plus Oscillograph Analysis Software The IPSplot Plus Oscillograph Analysis Software runs in conjunction with IPScom software on any IBM PC compatible computer running Windows 2000 or later to enable the plotting and printing of waveform data downloaded from the M 3311A Transformer Protection Relay M 3933 M 0423 Serial Communications Cable The M 3933 cable i...

Страница 55: ...M 3311A Instruction Book 1 6 This Page Left Intentionally Blank ...

Страница 56: ...z Monitoring Input Output Status Timer Status Counter Status Input Output Alarm Time of Last Power Up Error Codes Checksum Demand Demand Currents Maximum Demand Current Clear Maximum Demand Current Target History View Target History Clear Target History Oscillograph Recorder View Recorder Status Retrieve Records Trigger Oscillograph Clear Records Miscellaneous Software Version Serial Number Alter ...

Страница 57: ...increase or decrease input values or change between upper and lower case inputs If the up or down pushbutton is pressed and held when adjusting numerical values the speed of increment or decrement is increased If the up or down arrow pushbutton is held in the depressed position when adjusting numerical values the speed of the increment or decrement is increased after a small delay EXIT Pushbutton ...

Страница 58: ... of the last 8 operations is retained in the unit s memory for access through the alphanumeric display from the VIEW TARGET HISTORY menu M 3911A Target Module and Target Reset Pushbutton For units equipped with the optional M 3911A Target Module additional targeting information is available The Target module includes an additional 24 target LEDs and 8 output status LEDs LEDs corresponding to the p...

Страница 59: ...I Operation Overview Whenever power is applied to the unit the Power On Self Test sequence is initiated Figure 2 2 Default Message Screens When the M 3311A is energized and unattended the user logo lines are blank If a protective function has operated and has not been reset the HMI will display the target s with the time and date of the operation and automatically cycle through target screen for e...

Страница 60: ...n ETH Firmware Version Serial Number Alter Access Codes User Control Number User Logo Line 1 User Logo Line 2 Clear Output Counters Clear Alarm Counter Date Time Clear Error Codes Diagnostic Mode VIEW TARGET HISTORY TARGETS osc_rec comm View Target History Clear Target History OSCILLOGRAPH RECORDER targets OSC_REC comm View Record Status Clear Records Recorder Setup 2 3 Winding 27 Phase Undervolta...

Страница 61: ...el 2 Access provides access to read change setpoints monitor status and view target history Level 1 Access provides access to read setpoints monitor status and view target history Each access code is a user defined 1 to 4 digit number If the level 3 access code is set to 9999 the access code feature is disabled When access codes are disabled the access screens are bypassed Access codes are altered...

Страница 62: ...s Voltage VA VB VC and VG or VØ phase voltages Frequency Hz Volts Per Hertz Current W1 W4 Ground Current W2 W4 Positive Sequence Current W1 W4 Negative Sequence Current W1 W4 Zero Sequence Current W1 W4 Differential Current PU Phase A B C Restraint Current PU Phase A B C Ground Differential Current W2 W4 Power PU Real Reactive and Apparent 2 3 Winding Also included on the Primary Metering Status s...

Страница 63: ...M 3311A Instruction Book 2 8 Path Monitor Primary Metering Status Figure 2 5 Primary Metering Status Screen 4 Winding ...

Страница 64: ...A VB VC and VG or VØ phase voltages Frequency Hz Volts Per Hertz Current W1 W4 Ground Current W2 W4 Positive Sequence Current W1 W4 Negative Sequence Current W1 W4 Zero Sequence Current W1 W4 Differential Current PU Phase A B C Restraint Current PU Phase A B C Ground Differential Current W2 W4 Power PU Real Reactive and Apparent 2 3 Winding Also included on the Secondary Metering Status screen are...

Страница 65: ...M 3311A Instruction Book 2 10 Path Monitor Secondary Metering Status Figure 2 7 Secondary Metering Status Screen 4 Winding ...

Страница 66: ...4 Through Fault Counter CumulativeThrough Currents kA 2 Cycles METERING II To access the METERING II parameters utilizing IPScom select Monitor Metering II from the IPScom Main Screen drop down menu Monitor Metering II The Metering II screen Figures 2 8 and 2 9 includes the following parameters 2 nd 4 th and 5 th Harmonic Differential Cur rents PU Phase A B C Thermal Currents Phase A B C for W1 or...

Страница 67: ...M 3311A Instruction Book 2 12 Path Monitor Metering ll Figure 2 9 Metering II Screen 4 Winding ...

Страница 68: ...v hz 4 Press the Right arrow pushbutton until the following is displayed DEMAND config sys stat DMD 5 Press the ENTER pushbutton the follow ing will be displayed DEMAND STATUS STAT int mstat clear 6 Press ENTER The HMI will display W1 Demand Phase Current W1 DEMAND PHASE CURRENT X XX X XX X XX A 7 Press the ENTER pushbutton to view W2 W3 and W4 Demand Phase Current values To exit a specific windin...

Страница 69: ...ceed as follows 1 Press the ENTER pushbutton 2 If Level Access is active the following is displayed ENTER ACCESS CODE 0 a Input the required Access Code then press ENTER b If the proper Access Code has been entered the HMI will return LEVEL 1 2 or 3 Access Granted VOLTAGE RELAY VOLT curr freq v hz c Go to Step 5 3 If you are already in the DEMAND STATUS menu then go to Step 5 4 If Level Access is ...

Страница 70: ...e then press ENTER Demand Status From IPScom Demand Currents To display Demand Currents select Monitor Metering II IPScom will display the Metering II screen Figures 2 8 or 2 9 The Metering II screen includes the following Demand Currents Winding 1 2 3 4 Phase Currents Winding 2 3 and 4 Ground Current Max Demand Status To display Max Demand Status values select Relay Demand Status IPScom will disp...

Страница 71: ...play will return to the following VIEW TARGET HISTORY TRGT clear To access the CLEAR TARGET HISTORY feature proceed as follows 1 Press the ENTER pushbutton 2 If Level Access is active the following is displayed ENTER ACCESS CODE 0 a Input the required Access Code then press ENTER b If the proper Access Code has been entered the HMI will return LEVEL 1 2 or 3 Access Granted VOLTAGE RELAY VOLT curr ...

Страница 72: ... 2 3 and 4 Ground Current Active Functions Function Status Picked up Operated Active Inputs and Outputs The View Targets screen also includes the ability to Save the target information to file and Print the target information Clear Targets To Clear Targets perform the following 1 Select Relay Targets Clear IPScom will display the Clear Targets confirmation dialog screen Figure 2 12 Figure 2 12 Cle...

Страница 73: ...a user defined period The snapshot of the waveform is stored in memory for later retrieval using IPScom Communications Software The OSCTRIG LED on the front panel will indicate a recorder operation data is available for downloading Trigger Inputs and Outputs The recorder can be triggered remotely through serial communications using IPScom or automatically using programmed status inputs or outputs ...

Страница 74: ...4 106 150 5 68 88 77 103 88 125 6 58 75 66 89 75 107 7 51 66 57 77 66 94 8 45 58 51 69 58 83 9 40 53 46 62 53 75 10 37 48 42 56 48 68 11 34 44 38 51 44 62 12 31 40 35 47 40 58 13 29 37 33 44 37 53 14 27 35 30 41 35 50 15 25 33 28 38 33 47 16 24 31 27 36 31 44 17 22 29 25 34 29 41 18 21 27 24 32 27 39 19 20 26 23 31 26 37 20 19 25 22 29 25 35 21 18 24 21 28 24 34 22 17 23 20 27 23 32 23 17 22 19 25...

Страница 75: ...VE dd mmm yyyy hh mm ss ms For those records that are not active the following will be displayed RECORD 1 RECORD CLEARED 7 To exit press the EXIT pushbutton The display will return to the following VIEW RECORDER STATUS STAT clear setup To access the Oscillograph Recorder CLEAR RECORDS feature proceed as follows 1 Press the ENTER pushbutton 2 If Level Access is active the following is displayed ENT...

Страница 76: ...scillograph Record dialog screen Figure 2 14 2 Select the desired oscillograph record 3 Select the desired File Format then select Retrieve IPScom will display the Save As dialog screen 4 Input the desired File Name and location then select Save IPScom will display the Download Status screen Figure 2 15 Figure 2 15 Oscillograph Record Download Dialog Screen 5 Upon completion of the oscillograph fi...

Страница 77: ...ng 1 Select Relay Oscillograph Clear IPScom will display the Clear Oscillograph Records confirmation screen Figure 2 19 Figure 2 19 Clear Oscillograph Records Confirmation Screen 2 Select Yes IPScom will display the Clear Oscillograph Records Successful Dialog Screen Figure 2 20 Figure 2 20 Oscillograph Records Successfully Cleared Dialog Screen 3 Select OK IPScom will return to the Main screen OS...

Страница 78: ...SOFTWARE VERSION D 0179VXX YY ZZ AAAA 7 To exit press the EXIT pushbutton Serial Number Relay Front Panel only To determine the serial number of the relay proceed as follows 1 Press the ENTER pushbutton 2 If Level Access is active the following is displayed ENTER ACCESS CODE 0 a Input the required Access Code then press ENTER b If the proper Access Code has been entered the HMI will return LEVEL 1...

Страница 79: ...E LEVEL 1 level 2 level 3 7 Press ENTER the following will be dis played LEVEL 1 9999 8 Input the desired User Access Code as follows a Utilizing the Up and Down arrow pushbuttons select the desired first digit b Press the Left arrow pushbutton once then repeat the previous step as necessary to input the desired Access Code c When the desired Access Code has been input then press ENTER The followi...

Страница 80: ...en 5 Select OK IPScom will return to the Main Screen The new Comm Access Code will not be in affect until communications have been closed with the relay for approximately 2 5 minutes User Access Codes The relay includes three levels of access codes De pending on their assigned code users have varying levels of access to the installed functions 1 Level 1 Access Read setpoints moni tor status view s...

Страница 81: ...gure 2 23 6 Select OK IPScom will return to the Main Screen System Error Codes Output and Alarm Counters The System Error Codes Output and Alarm Coun ters feature provides the user with the ability to view and clear system Error Codes Processor Resets Alarm Counters Power Loss Counter and Output Counters Also Checksums can be viewed IPScom for Calibration and Setpoints Clear Output Counters Relay ...

Страница 82: ... RELAY VOLT curr freq v hz 4 Press the Right arrow pushbutton until the following is displayed SETUP UNIT SETUP 5 Press ENTER the following will be dis played SOFTWARE VERSION VERS sn access number 6 Press the Right arrow pushbutton until the following is displayed CLEAR OUTPUT COUNTER logo1 logo2 out ALRM 7 Press ENTER the following will be dis played CLEAR ALARM COUNTERS PRESS ENTER KEY TO CLEAR...

Страница 83: ...CODES ERROR CODES CLEARED 9 Press EXIT as necessary to return to the main menu Resetting Counters From IPScom Tools Counters and Error Codes To view and or Reset System Error Codes and Output Counters utilizing IPScom perform the following NOTE Communication must be established with the target relay for this procedure 1 From the IPScom Main Screen menu bar select Tools Counters and Error Codes IPS...

Страница 84: ... and name the file then select Save to save the Through Fault Record or Cancel Relay Through Fault View To view available Through Fault records perform the following 1 From the IPScom Main Screen menu select Relay Through Fault View IPScom will display the View Through Fault Record screen Figure 2 27 2 Select Open IPScom will display the Open screen with a default tfe file extension 3 Select the l...

Страница 85: ...quence of Events Retrieve The Retrieve selection downloads the events from the currently connected relay events must be retrieved from the relay and stored in a file in order to view them To download available Sequence of Events perform the following 1 From the IPScom Main Screen menu select Relay Sequence of Events Retrieve IPScom will display the Sequence of Events Recorder Download screen Figur...

Страница 86: ...with a default evt file extension 3 Select the location of the evt files then select the file to be viewed 4 Select Open IPScom will Open the target file in theView Sequence of Events Record screen Figure 2 31 Relay Sequence of Events Clear The Clear feature clears all Sequence of Events Records stored on the relay To Clear all Sequence of Events Records perform the following 1 From the IPScom Mai...

Страница 87: ...M 3311A Instruction Book 2 32 This Page Left Intentionally Blank ...

Страница 88: ... Desktop will open the program and display the IPScom Main Screen Figure 3 2 Figure 3 1 IPScom Program Icon IPScom Main Screen Menu Bar The IPScom Main Screen Menu Bar includes when the program is initially opened the File Connect and Help menu selections This menu bar includes the additional selections Communication Monitor System Tools and Windows when IPScom is in either the file mode or has op...

Страница 89: ...M 3311A Instruction Book 3 2 Figure 3 2 IPScom Main Screen ...

Страница 90: ...trade Switching Method Select Profile Copy Active Profile Tools Security User Information Relay Communication Output Test Counter Error Codes Firmware Update Calibration Data Change Comm Access Code Change User Access Code Setup Comm Port Setup Ethernet Change Communication Address Save to File Restore from File Connect Communication Connect Communication Disconnect Open Terminal Window Serial Por...

Страница 91: ...s data file with the relay data This file now contains the proper system type information eliminating the need to set the information manually File Close Command Closes the open file without saving File Exit Command The Exit command quits the IPScom program File Menu Initial File Menu File Menu Dropdown When Connected File Menu in File Mode The File menu enables the user to create a New data file ...

Страница 92: ...minal window after dialing option When selected IPScom will open a terminal window Figure 3 8 to allow modem commands to be sent to the target modem When communicating by way of a fiber optic loop network echo cancelling is available by checking the Echo Cancel box This command masks the sender s returned echo If the modem was not used to establish communication direct connection select Connect to...

Страница 93: ...M 3311A Instruction Book 3 6 Figure 3 8 Terminal Window Figure 3 7 IPScom Modem Communication Dialog Screen ...

Страница 94: ...w the user to review the following PRIMARY parameters Voltage VA VB VC and VG or VØ phase voltages Frequency Hz Volts Per Hertz Current W1 W4 Ground Current W2 W4 Positive Sequence Current W1 W4 Negative Sequence Current W1 W4 Zero Sequence Current W1 W4 Differential Current PU Phase A B C Restraint Current PU Phase A B C Ground Differential Current W2 W4 Also included on the Primary Metering Stat...

Страница 95: ...M 3311A Instruction Book 3 8 Path Monitor Primary Metering and Status Figure 3 10 Primary Metering Status Screen 4 Winding ...

Страница 96: ...Current W1 W4 Ground Current W2 W4 Positive Sequence Current W1 W4 Negative Sequence Current W1 W4 Zero Sequence Current W1 W4 Differential Current PU Phase A B C Restraint Current PU Phase A B C Ground Differential Current W2 W4 Also included on the Secondary Metering Status screen are Inputs Outputs Breaker Status OSC Triggered Status Targets Path Monitor Secondary Metering and Status Figure 3 1...

Страница 97: ...M 3311A Instruction Book 3 10 Path Monitor Secondary Metering and Status Figure 3 12 Secondary Metering Status Screen 4 Winding ...

Страница 98: ...tities Monitor Metering II The Metering II screen Figures 3 13 and 3 14 include the following parameters 2nd 4th and 5th Harmonic Differential Currents PU Phase A B C Thermal Currents Phase A B C for W1 or W2 or W3 or W4 Also included on the Metering II screen are NOTE These parameters are described in their respective sections of this chapter Breaker Monitor Accumulators Phase A B C Winding 1 2 3...

Страница 99: ...M 3311A Instruction Book 3 12 Path Monitor Metering ll Figure 3 14 Metering II Screen 4 Winding ...

Страница 100: ...allows the user to select deselect sources to be displayed and Freeze capability to freeze the data displayed on the Phasor Diagram Path Monitor Phasor Diagram NOTE When connections specifying delta connected CTs are used Functions 87T and 87H use the Phasor Diagram values currents actually entering the relay and not the calculated values dis played on the Secondary Metering and status screen Figu...

Страница 101: ...hen connections specifying delta connected CTs are used Functions 87T and 87H use the Phasor Diagram values currents actually entering the relay and not the calculated values dis played on the Secondary Metering and status screen Figure 3 16 Phasor Diagram 4 Winding ...

Страница 102: ...agram F87T The Phasor Diagram F87T Figures 3 17 and 3 18 provide the user with the ability to evaluate compensated and uncompensated 87 Function parameters Path Monitor Phasor Diagram F87T Figure 3 17 Phasor Diagram F87T 2 3 Winding ...

Страница 103: ...M 3311A Instruction Book 3 16 Path Monitor Phasor Diagram F87T Figure 3 18 Phasor Diagram F87T 4 Winding ...

Страница 104: ...Status 2 3 Winding Monitor Pickup Timeout Status The Pickup Timeout Status screen Figures 3 19 and 3 20 display the extended status information of relay functions and Input Output contact information Path Monitor Pickup Timeout Status Figure 3 20 Pickup Timeout Status 4 Winding ...

Страница 105: ...Slope display allows the user to display a graphical representation of the 87T programmable Dual Slope Percentage Restraint Characteristic See Section 4 4 System Setpoints for detailed information Path Monitor 87TDual Slope Figure 3 21 87T Function Dual Slope Display ...

Страница 106: ...MMAND BUTTONS Save When connected to a relay sends the currently displayed information to the unit Otherwise saves the currently displayed information to file and returns to the IPScom Main screen Cancel Returns to the IPScom Main screen any changes to the displayed informa tion are lost Relay Menu The Relay menu provides access to the screens used to set monitor or interrogate the relay Six subme...

Страница 107: ...M 3311A Instruction Book 3 20 Figure 3 22 Setup System Dialog Screen 2 3 Winding ...

Страница 108: ...IPScom 3 3 21 Figure 3 23 Setup System Dialog Screen 4 Winding ...

Страница 109: ...n Setting dialog screens can be accessed Selecting a Function Setting button will display the corresponding function dialog screen See Figure 3 26 as an example Figure 3 25 Relay Setpoints Dialog Screen 4 Winding COMMAND BUTTONS Display All Opens the All Setpoints Table dialog screen for the specified range of functions I O Configure Opens the I O Map dialog screen Figures 3 28 and 3 29 OK Exits t...

Страница 110: ... the dialog box was opened is the time that is displayed and remains as such This is true whether the relay is synchronized with the IRIG B signal or not There is a greenTime Sync LED mimic in this dialog box the LED is displayed as different shading on a monochrome monitor When this LED is green the relay is synchronized with the IRIG B signal and the Time field is grayed out indicating that this...

Страница 111: ...king input configurations Both the Relay Setpoints dialog screen and the I O Map screen include the Display All Setpoints feature and Jump Command Buttons which allow the user to jump from a scrolling dialog screen to an individual relay function dialog screen and return to the scrolling dialog screen All available parameters can be reviewed or changed when jumping to a relay I O Map screen from e...

Страница 112: ...IPScom 3 3 25 Figure 3 29 I O Map Screen 4 Winding ...

Страница 113: ... within a single window to allow scrolling through all relay setpoint and configuration values The individual Feature and Function selection buttons are described in the applicable sections The All Setpoint Table includes Jump Command Buttons which allow the user to jump from a scrolling dialog screen to an individual relay function dialog screen and return to the scrolling dialog screen All avail...

Страница 114: ...IPScom 3 3 27 Figure 3 31 Display All Setpoints Screen 4 Winding ...

Страница 115: ... 3 32 Demand Status Dialog Screen 2 3 Winding Relay Demand Status The Demand Status feature allows the user to access Primary Demand Values See Chapter 2 Operation for detailed information Figure 3 33 Demand Status Dialog Screen 4 Winding ...

Страница 116: ...nction status phase current values and IN OUT contact status at the time of trip Individually recorded events may be selected and saved to a text file or be printed out with optional added comments The Reset LED selection is similar to pressing the Target Reset button on the relay Front Panel This command resets current targets displayed on the relay This command does not reset any target history ...

Страница 117: ...he relay The View command displays the View Through Fault Record dialog screen Figure 3 35 This screen provides detailed information about each Through Fault record The information includes the Record Serial Number Start Time Duration Fault Current Max Current and Phase The submenu also includes the Clear command which clears all Through Fault records in the relay See Chapter 4 System Setup and Se...

Страница 118: ...een Figure 3 36 Function Pickup Trip and Dropout can be selected to initiate the recorder as well as Input Pickup Output Pickup Inputs Drop and Outputs Drop The Retrieve command downloads and saves the record to file Figure 3 37 The View command displays the View Sequence of Events Record screen Figure 3 38 which allows the user to open and print Sequence of Events files The Clear command clears a...

Страница 119: ...M 3311A Instruction Book 3 32 Figure 3 38 View Sequence of Events Recorder Screen ...

Страница 120: ...igure 3 39 and 3 40 Retrieve downloads and save data to a file Figure 3 41 Trigger sends a command to the relay to capture a waveform This is the same as issuing a manual oscillograph trigger Clear erases all existing records The optional M 3801D IPSplot PLUS Oscillograph Analysis Software program is required to view the downloaded oscillograph files or the files can be converted to ComTrade forma...

Страница 121: ...file Dialog Screen The Profile submenu provides three command options Switching Method Select Profile and Copy Active Profile The Switching Method command allows selection of either Manual or Input contact Figure 3 42 Select Profile allows the user to designate the active profile Figure 3 43 Copy Active Profile copies the active profile to one of four profiles user should allow approximately 15 se...

Страница 122: ...u item includes the Change Comm Access and Change User Access code submenus Tools Security Change Comm Access Code The Change Comm Access code selection displays the Change Comm Access Code screen Figure 3 45 which allows the user to change the Comm Access Code See Section 4 1 Unit Setup for detailed setup instructions If additional link security is desired a communication access code can be progr...

Страница 123: ...an only be altered by a Level 3 user If the Level 3 access code is set to 9999 the access code feature is disabled When access codes are disabled the access screens are bypassed and all users have full access to all the relay menus The device is shipped from the factory with the access code feature disabled Figure 3 46 Access Level Code Dialog Screen Figure 3 47 Change User Access Code Dialog Scre...

Страница 124: ... 3 50 and setup the Ethernet Port Figure 3 51 See Section 4 1 Unit Setup for detailed communication setup instructions Figure 3 49 Change Relay Communication Address Dialog Screen Figure 3 50 Setup Relay Comm Port Dialog Screen Figure 3 51 Setup Relay Ethernet Port Dialog Screen Tools Output Test The OutputTest menu selection displays the Output Test screen Figure 3 53 which provides the user with...

Страница 125: ...M 3311A Instruction Book 3 38 Figure 3 53 Output Test Dialog Screen Figure 3 54 Counters and Error Codes Dialog Screen Figure 3 52 Output Test Warning Dialog Screen ...

Страница 126: ...nd arrangement of IPScom windows so that there is better access to available functions This feature allows the display of several windows at the same time Clicking on an inactive yet displayed window activates that window Help Menu The Help menu provides two commands The Contents command initiates a link to a PDF Portable Document File version of this instruction book for easy reference An Adobe A...

Страница 127: ...M 3311A Instruction Book 3 40 This Page Left Intentionally Blank ...

Страница 128: ...ude CT VT configuration selec tion and Input and Output assignments A System Setpoints Section which de scribes the enabling of functions and setpoints output contact assignments and digital input assignments The selection of the M 3311A System Setup param eters and Setpoints can be performed using either the S 3300 IPScom Communications Software or from the unit s M 3931 Front Panel Human Ma chin...

Страница 129: ...s IPScom will display an Ac cess Code Was Changed Successfully Confirmation Screen Figure 4 3 Figure 4 3 Access Code Changed Confirmation Screen 5 Select OK ISScom will return to the Main Screen The new Comm Access Code will not be in affect until communications have been closed with the relay for approximately 2 5 minutes HMI Comm Access Code Setup 1 Press the ENTER pushbutton 2 If Level Access i...

Страница 130: ...oints target history set time clock 3 Level3Access All of level 2 privi leges plus access to all configuration functions and settings Each access code is a user defined one to four digit number Access codes can only be altered by a Level 3 user If the Level 3 Access Code is set to 9999 the access code feature is disabled When access codes are disabled the access screens are bypassed and all users ...

Страница 131: ...vel 2 level 3 7 Press ENTER the following will be dis played LEVEL 1 9999 8 Input the desired User Access Code as follows a Utilizing the Up and Down arrow push buttons select the desired first digit b Press the Left arrow pushbutton once then repeat the previous step as neces sary to input the desired Access Code c When the desired Access Code has been input then press ENTER The following will be...

Страница 132: ...reen menu select Tools User Information IPScom will display the User Information dialog screen Figure 4 5 Figure 4 5 User Information Dialog Screen 2 If entering editing the User Logo lines then enter the desired User Logo Lines 3 If changing the User Control Number then enter the desired User Control Number 4 If enabling disabling the System OK LED Flash operation then select either Enable or Dis...

Страница 133: ...arrow pushbutton once then repeat the previous step as necessary to input the desired User Logo Line 2 c When the desired User Logo Line 2 has been input then press ENTER The following will be displayed USER LOGO LINE 2 WAIT USER LOGO LINE 2 logo 1 LOGO 2 alrm 12 Press Exit HMI User Control Number Setup 1 Press the ENTER pushbutton 2 If Level Access is active the following is displayed ENTER ACCES...

Страница 134: ...UTION Do not enter DIAGNOSTIC MODE when protected equipment is in service Entering DI AGNOSTIC MODE when protected equipment is in service removes all protective functions of the relay 4 Press the right arrow pushbutton until the following is displayed SETUP UNIT stat comm SETUP 5 Press ENTER the following will be dis played SOFTWARE VERSION VERS eth sn access 6 Press the right arrow pushbutton un...

Страница 135: ...can accept a modulated IRIG B signal us ing the rear panel BNC connector or a demodulated TTL level signal using extra pins on the rear panel COM2 RS 232 interface connector see Figure B 4 for COM2 pinout If the TTL signal is to be used then Jumper 5 will be required to be positioned see Section 5 5 Circuit Board Switches and Jumpers IPScom Set Date Time To set the relay Date Time perform the foll...

Страница 136: ... first digit b Press the Left arrow pushbutton once then repeat the previous step as neces sary to input the desired date c When the desired Date has been input then press ENTER The following will be displayed DATE TIME SUN mon tue wed thu 11 Input the desired Day as follows a Utilizing the Right or Left arrow push buttons select the desired Day b When the desired Day has been se lected then press...

Страница 137: ...onnector DB9P for the system and an applicable connector for the computer usually DB9S or DB25S Pin outs for a null modem adapter are provided in Appendix B Communications An optional 10 foot null modem cable M 0423 is available from the factory for direct connection between a PC and the relay s front panel COM port or the rear COM2 port When fabricating communication cables every effort should be...

Страница 138: ...essing capability of IPScom and the relay allows multiple systems to share a direct or modem con nection when connected through COM2 using a communications line splitter Figure 4 8 One such device enables 2 to 6 units to share one communications line Appendix B Figure B2 illustrates a setup of RS 232 Fiber Optic network 8 Enter the desired Dead Sync Time 2 to 3000 msec This delay establishes the l...

Страница 139: ... of the Comm menu If setting up COM2 or 3 the following will be displayed COM2 DEAD SYNC TIME 50 ms 9 Input the desired Dead Sync Time as follows a Utilizing the Up and Down arrow push buttons select the desired first digit b Press the Left arrow pushbutton once then repeat the previous step as nec essary to input the desired Dead Sync Time c When the desired Dead SyncTime has been input then pres...

Страница 140: ...ensure that the COM2 protocol is selected to BECO2200 and the baud rate is set to 9600 bps The Standard Port Number for the BECO2200 over TCP IP protocol is 8800 The master device may require the entry of the Standard Port Number MODBUS To utilize the MODBUS protocol over a TCP IP connection select the MODBUS MODBUS over TCP IP protocol The IP Address of the relay must be entered in the IPScom Com...

Страница 141: ...ayed TCP IP SETTINGS tcp PROT 13 Press EXIT the ethernet board will reconfigure and the following will be displayed CONFIGURING ETH IPScom Ethernet Port Setup without DHCP NOTE Communication must be established with the target relay for this procedure 1 From the IPScom Main Screen menu select Tools Ethernet Setup IPScom will display the Ethernet Setup screen Figure 4 9 2 Select Ethernet Enable 3 S...

Страница 142: ...now configured for use and may be accessed through a network If the ethernet board successfully obtains an IP Address the following will be dis played for approximately 2 seconds ETHERNET IP ADDRESS XX XX XX XX The ethernet board is now configured for use and may be accessed through a network Then the display will return to the follow ing ETHERNET SETUP access ETH eth_ip If the ethernet board fail...

Страница 143: ...g IPScom must also have access to a compatible internal or external modem Connecting the PC Modem 1 If the computer has an external modem then use a standard straight through RS 232 modem cable M 3933 to con nect the computer to the modem 2 If the computer has an internal modem then refer to the modem s instruction book to determine which communications port should be selected 3 Verify that the mo...

Страница 144: ...It will not adjust the baud rate and should be considered a dumb peripheral It communicates with 1 start 8 data and 0 1 or 2 stop bits Connect the Modem to the relay as follows 1 Connect the unit to an external modem by attaching a standard RS 232 modem cable to the appropriate serial commu nications port on both the unit and the modem 2 Connect the modem to a telephone line then energize the mode...

Страница 145: ... recorder continues recording for a user defined period The snapshot of the waveform is stored in memory for later retrieval using IPScom Communications Software The OSCTRIG LED on the front panel will indicate a recorder operation data is available for downloading Trigger Inputs and Outputs The re corder can be triggered remotely through serial communications using IPScom or automatically using p...

Страница 146: ...106 92 124 106 150 5 68 88 77 103 88 125 6 58 75 66 89 75 107 7 51 66 57 77 66 94 8 45 58 51 69 58 83 9 40 53 46 62 53 75 10 37 48 42 56 48 68 11 34 44 38 51 44 62 12 31 40 35 47 40 58 13 29 37 33 44 37 53 14 27 35 30 41 35 50 15 25 33 28 38 33 47 16 24 31 27 36 31 44 17 22 29 25 34 29 41 18 21 27 24 32 27 39 19 20 26 23 31 26 37 20 19 25 22 29 25 35 21 18 24 21 28 24 34 22 17 23 20 27 23 32 23 17...

Страница 147: ...le 4 2 when determining the number of Oscillograph records The number of cycles of recorded data is directly related to the number of records selected 3 Select the desired Trigger Inputs and Trigger Outputs The recorder can be triggered remotely through serial communications using IPScom or automatically using pro grammed status inputs or outputs 4 Select the Post Trigger Delay A post trigger dela...

Страница 148: ...on until the following is displayed OSCILLOGRAPH RECORDER SETUP stat clear SETUP 7 Press ENTER the following will be dis played RECORDER PARTITIONS 1 8 Input the desired number of Recorder Partitions 9 Press ENTER the following will be dis played TRIGGER INPUTS I6 i5 i4 i3 i2 i1 10 Press the Right or Left arrow pushbut ton as necessary to select the desired Trigger Input then press ENTER the follo...

Страница 149: ...also store the total number of through faults since last rest and total I2 t for each phase since lase reset up to 256 records To Setup the relay Through Fault recorder perform the following 1 Press the ENTER pushbutton 2 If Level Access is active the following is displayed ENTER ACCESS CODE 0 a Input the required Access Code then press ENTER b If the proper Access Code has been entered the HMI wi...

Страница 150: ...4 23 System Setup and Setpoints 4 Figure 4 14 Setup Sequence of Events Recorder Dialog Screen ...

Страница 151: ...tive the following is displayed ENTER ACCESS CODE 0 a Input the required Access Code then press ENTER b If the proper Access Code has been entered the HMI will return LEVEL 1 2 or 3 Access Granted VOLTAGE RELAY VOLT curr freq v hz c Go to Step 4 3 Press the ENTER pushbutton the fol lowing will be displayed VOLTAGE RELAY VOLT curr freq v hz 4 Press the Right arrow pushbutton until the following is ...

Страница 152: ...le 4 4 Input Activated Profile Logic If INPUT ACTIVATED PROFILES is disabled this screen allows manual selection of the Active Profile using the front panel or through communications Allows the user to manually select the Active Profile This screen initiates a copy of the Active Profile to any one of the other profiles Allows the user to select the number of windings used to calculate differential...

Страница 153: ...ction is ENABLED then the HMI will prompt the user to enter Transformer Phase Comp Type and CT PH Mag Comp Type values for each wind ing Zero Seq Comp will also be required to be enabled or disabled for each winding to complete this setting See Section 4 6 Transformer Connections for additional information W1 XFM PHASE COMP TYPE 0 W2 XFM PHASE COMP TYPE 0 W3 XFM PHASE COMP TYPE 0 W1 CT PH MAG COMP...

Страница 154: ...con_w2 xfm_w2 CT CONNECTION W1 Y dab dac inv_y inv_dab inv_dac CT CONNECTION W2 xfm_w1 CON_W2 xfm_w2 CT CONNECTION W2 Y dab dac inv_y inv_dab inv_dac CT CONNECTION W3 con_w2 xfm_w2 CON_W3 CT CONNECTION W3 Y dab dac inv_y inv_dab inv_dac XFM CONNECTION W1 con_w1 XFM_W1 con_w2 xfm_w2 XFM CONNECTION W1 Y dab dac inv_y inv_dab inv_dac XFM CONNECTION W2 con_w2 XFM_W2 con_w3 XFM CONNECTION W2 Y dab dac ...

Страница 155: ...input When lowercase a closed circuit activates the input default 2 3 Winding Setup Cont d PULSE RELAY o8 o7 o6 o5 o4 o3 o2 o1 LATCHED OUTPUTS o8 o7 o6 o5 o4 o3 o2 o1 If Pulse Relay operation is selected output will dropout after the seal in delay expires even if the condition which caused the relay to pick up is still out of band When se lected latching outputs are not available If any of the out...

Страница 156: ...IO __________________ 1 VT Phase Ratio VT Ground Phase Ratio The secondary VT voltage when primary voltage is equal to the rated transformer voltage V trans rated VT ratio Range 60 140 V Increment 1 V Indicate V T Configuration is either Line to Line Line to Ground or Line to Ground to Line to line If two voltages are enabled then the Phase Voltage and VG Voltage Options are available With two vol...

Страница 157: ...Ig CTCF 3 Line Current IB Ibc Iab Ig CTCF 3 Line Current IC Ica Ibc Ig CTCF 3 where Iab Ibc Ica are the currents that enter the relay and Ig is the measured ground current CTCF is given by W2 C T GROUND RATIO ct_w1 ct_w2 CT_W2G W2 C T GROUND RATIO __________________ 1 W3 C T RATIO CT_W3 ct_w3g W3 C T RATIO __________________ 1 W3 C T GROUND RATIO ct_3 CT_W3G W3 C T GROUND RATIO __________________ ...

Страница 158: ...o any one of the other profiles The secondary VT voltage when primary voltage is equal to the rated transformer voltage V trans rated VT ratio Range 60 140 V Increment 1 V Indicates VT connection Allows the user to select the number of windings used to calculate differential functions DISABLE WINDING win1 win2 win3 win4 The disabled winding will be removed from the differential calculation However...

Страница 159: ... user to enter Transformer Phase Comp Type and CT PH Mag Comp Type values for each wind ing Zero Seq Comp will also be required to be enabled or disabled for each winding to complete this setting See Section 4 5 Transformer Connections for additional information W1 XFM PHASE COMP TYPE 0 W2 XFM PHASE COMP TYPE 0 W3 XFM PHASE COMP TYPE 0 W4 XFM PHASE COMP TYPE 0 W1 CT PH MAG COMP TYPE 0 W2 CT PH MAG...

Страница 160: ...currents using delta CT currents and the ground currents for W2 and W3 only The line currents not delta currents are displayed on the status screens metering The line currents are also used for 50 51 and 46 functions The Standard configuration requires the CT connection to be defined as Wye Delta ab Delta ac Inverse Wye Inverse Delta ab or Inverse Delta ac See Section 4 5 Transformer Connections f...

Страница 161: ...ter the seal in delay expires even if the condition which caused the relay to pick up is still out of band When se lected latching outputs are not available If any of the outputs are selected as latched then after tripping this output will stay activated even when the tripping condition is removed The Latched Output can be reset using the TARGET RESET pushbutton When selected Pulse Relay is not av...

Страница 162: ... GROUND RATIO ct_w2g ct_3 CT_W3G W3 C T GROUND RATIO __________________ 1 W4 C T RATIO CT_W4 ct_w4g W4 C T RATIO __________________ 1 W4 C T GROUND RATIO ct_w4g CT_W4G W4 C T GROUND RATIO __________________ 1 CT Phase Ratio CT Ground Ratio VT Ratio VT Ground Ratio CT Ratios CT Ground Ratios The relay will calculate the W2 W3 and W4 line currents when a delta CT configuration is selected as follows...

Страница 163: ...4 36 M 3311A Instruction Book Figure 4 15 IPScom Relay Setup System Dialog Screen 2 3 Winding ...

Страница 164: ...4 37 System Setup and Setpoints 4 Figure 4 16 IPScom Relay Setup System Dialog Screen 4 Winding ...

Страница 165: ... Latched Output is enabled the output contact will default to the normal mode In this mode the output contact will stay energized as long as the abnormal condition which caused it to operate persists After the abnormal condition is cleared the contact will reset after the programmed seal in time has elapsed ...

Страница 166: ...4 39 System Setup and Setpoints 4 Figure 4 18 IPScom Selection Screen for Input Settings ...

Страница 167: ...on Package M 3311A Targets Optional Integral HMI Optional Metering Sequence Of Events Waveform Capture IRIG B Front RS232 Communication Multiple Setting Groups Programmable I O Self Diagnostics Dual Power Supply Optional Rear RS 232 485 Communication Programmable Logic 51N 51N 50N BF 87T 87H 50 51 50G 51G 50 BF 50 51 46 24 81U 27 R 59G 59 Figure 4 19 M 3311A Two Winding Two or Four Voltage Inputs ...

Страница 168: ...CT 50N BF 51N 50BF 49 49 49 50N 50N Targets Optional Integral HMI Optional Metering Sequence Of Events Waveform Capture IRIG B Front RS232 Communication Multiple Setting Groups Programmable I O Self Diagnostics Dual Power Supply Optional Rear RS 232 485 Communication Programmable Logic A 50N 59 NOTE NOTE NOTE NOTE 49 Function can only be enabled in one winding Note All 50 and 50G functions may be ...

Страница 169: ...oups Programmable I O Self Diagnostics Dual Power Supply Optional Rear RS 232 485 Communication Programmable Logic A RJ45 Ethernet Optional 52 52 51 50 1 50N BF 51N 50BF 49 50N 3 CT Winding 4 W4 VT 2 1 VT 2 81 O U 27 24 VG V0 46 59 49 Function can only be enabled in one winding Notes 1 All 50 and 50G functions may be applied instantaneous or definite time and are multiple 2 elements each with indi...

Страница 170: ...Programmable I O Self Diagnostics Dual Power Supply Optional Rear RS 232 485 Communication Programmable Logic A RJ45 Ethernet Optional 52 52 3 CT Winding 4 W4 VT 2 1 VT 2 81 O U 27 24 Σ Two sets of summed winding c uurents can be enabled at a time VG Vo 59 49 Function can only be enabled in one winding Notes 1 All 50 and 50G functions may be applied instantaneous or definite time and are multiple ...

Страница 171: ...A B C A B C 59 58 57 56 55 54 M 3311A W 2 A B C 53 52 M 3311A W 2 IG AND 39 38 OR 39 38 A B C M 3311A M 3311A VO VO Winding 1 W 1 B A C Winding 2 W 2 A C B NOTES Delta Wye power transformer shown with Wye Wye connedted CTs Connected 4 DABY yy Other connections are possible Alternate VT connections see Instruction Book Chapter 5 Status Inputs and Relay Output are designated Extra Outputs may be des...

Страница 172: ...n with Wye Wye connedted CTs Connected 4 DABY yy Other connections are possible Alternate VT connections see Instruction Book Chapter 5 Status Inputsand Relay Output are designated Extra Outputs ma y be designated for control supervisory operation 1 2 3 4 C B A 10 9 8 11 IN 1 52b IN 2 Typical IN 3 Typical IN Return 52b Other Inputs Other Inputs M 3311A Input Contac ts 43 41 42 40 M 3311A 39 38 43 ...

Страница 173: ... 52b Other Inputs Other Inputs M 3311A Input Contacts Power Transformer 51 50 M 3311A W 2 43 42 41 40 39 38 M 3311A W 1 52 A B C A B C A B C 52 AND Winding 1 W 1 Winding 2 W 2 Winding 3 W 3 IG2 65 64 OR 65 64 V φ A B C 52 A B C 59 58 M 3311A W 3 IG3 M 3311A M 3311A R R A B C 71 70 M 3311A 57 56 55 54 53 52 M 3311A W 3 A B C 49 48 47 46 45 44 M 3311A W 2 A B C V φ R VG Figure 4 25 Typical Three Win...

Страница 174: ... R R 57 56 55 54 53 52 M 3311A W 3 49 48 47 46 45 44 M 3311A W 2 A B C 43 42 41 40 39 38 M 3311A W 1 52 A B C 69 67 68 66 65 64 Two VT Open Delta Connections 2 A B C 69 67 65 68 66 64 M 3311A Three VT Wye Wye Connection 2 M 3311A Broken Delta VTs 71 70 VG M 3311A NOTES Delta Wye power transformer shown with Wye Wye connedted CTs Connected 4 DABY yy Other connections are possible Alternate VT conne...

Страница 175: ...Inputs Other Inputs M 3311A Input Contacts 43 42 41 40 39 38 M 3311A W 1 71 70 69 68 67 66 M 3311A W 4 Power Transformer 51 50 M 3311A W 2 A B C A B C A B C 52 Winding 2 W 2 Winding 3 W 3 IG2 37 36 OR 37 36 52 A B C M 3311A M 3311A A B C 49 48 47 46 45 44 M 3311A W 2 A B C VO VO 57 56 55 54 53 52 M 3311A W 3 59 58 M 3311A W 3 IG3 R R A B C A B C A B C AND A B C VG 65 64 M 3311A R A B C Figure 4 27...

Страница 176: ...ed for approximately 1 second Utilizing the above feature not only accelerates the configuration process but also removes the possibility of errors if all setpoints are re entered manually Configure Relay Data The relay is shipped with a certain group of standard functions including other optional functions as purchased Bothofthesegroupsdefineaconfigurable set of functions Only members of this set...

Страница 177: ...finite Time 1 2 Inverse Time 27 Phase Undervoltage 46W2 W3 W4 Negative Sequence Over current Definite Time Inverse Time 49 Winding Thermal Protection W1 W2 W3 W4 50 Instantaneous Phase Overcurrent 1 2 3 4 5 6 7 8 50BFW1 W2 W3 W4 Breaker Failure 50GW2 W3 W4 Instantaneous Ground Overcurrent 1 2 50N Instantaneous Residual Overcurrent 1 2 3 4 5 6 7 8 51 Inverse Time Phase Overcurrent 1 2 3 4 51GW2 W3 ...

Страница 178: ...characteristics of the transformer The V Hz function provides reliable measurements of V Hz for a frequency range of 10 80 Hz When applied for generator and unit transformer protection the first task in setting this relay function is to determine the desired protective levels and times This can be accomplished by combining the V Hz limit curves of the transformer and the associ ated generator on o...

Страница 179: ...4 52 M 3311A Instruction Book Figure 4 28 Example of V Hz Capability and Protection Curves ...

Страница 180: ...osen inverse curve begins protective operation Typical value is 105 The appropriate curve family for this protection application is desig nated by circling the CRV These curves are shown in Appendix D InverseTime Curves Note that the operating times are constant above 150 V Hz values The appropriate curve in the family is designated by the associated K value of the curve These are shown in Appendi...

Страница 181: ...com 24 Volts Hertz Setpoint Ranges Path Relay Setup Relay Setpoints 24 Volts HZ Overexcitation COMMAND BUTTONS Save Saves all information to the relay Cancel Returns the user to the previous window any changes to the displayed information are lost ...

Страница 182: ...age input is connected to the phase voltage If the voltage input is connected to phase volt age Function 59G will be unavailable Function 59G is only available if the voltage input is connected to a broken delta VT The 27 Undervoltage function may be used to detect any condition causing long term undervoltage This function is used to shed the transformer load when the power system does not have en...

Страница 183: ...com 27 Undervoltage Setpoint Ranges 2 3 Winding Figure 4 31 IPScom 27 Undervoltage Setpoint Ranges 4 Winding Path Relay Setup Relay Setpoints 27 Phase Undervoltage COMMAND BUTTONS Save Saves all information to the relay Cancel Returns the user to the previous window any changes to the displayed information are lost ...

Страница 184: ...vinv beeinv 46ITW3 TIME DIAL 5 0 46 Negative Sequence Overcurrent The 46 Negative Sequence Overcurrent function provides protection against possible damage due to unbalanced faults and open conductors The pickup setting of this function can be set below the system load for increased sensitivity for phase to phase fault backup of feeder protective relays This function has a definite time element an...

Страница 185: ...ications Figure 4 32 IPScom 46 Negative Sequence Overcurrent Setpoint Ranges Path Relay Setup Relay Setpoints 46 Negative Sequence Overcurrent COMMAND BUTTONS Save Saves all information to the relay Cancel Returns the user to the previous window any changes to the displayed information are lost ...

Страница 186: ...tect the transformer following the IEC 255 8 standard Where t time to trip τ time constant Iload relay current Ipreload pre load current Imax maximumallowedcontinuousoverloadcurrent The pre load current Ipre load is the previous average current for the last 15 minutes 30 minutes or 60 minutes programmable into the demand metering The M 3311A includes four setpoint groups that can accommodate a pow...

Страница 187: ...4 60 M 3311A Instruction Book Figure 4 33 49 Function Overload Curves ...

Страница 188: ...in Two or Three Winding applications Figure 4 34 IPScom 49 Winding Thermal Protection Setpoint Ranges Path Relay Setup Relay Setpoints 49 Winding Thermal Protection COMMAND BUTTONS Save Saves all information to the relay Cancel Returns the user to the previous window any changes to the displayed information are lost 49 TIME CONSTANT 5 0 Min 49 MAX OVERLOAD CURRENT 2 00 Amps 49 CURRENT SELECTION su...

Страница 189: ... breakers Protection output contacts must be connected to trip the breakers required to isolate the transformer from the system The breaker failure condition is detected by the continued presence of current in any one or more phases after a breaker trip command is issued Implementation of the transformer breaker failure function is illustrated in Figure 4 35 The breaker failure timer will be start...

Страница 190: ...tes the relay outputs which will initiate the breaker failure timer For transformer breaker failure use the time delay should be set to allow for breaker operating time plus margin NOTE These screens are also applicable for Windings 2 3 and 4 NOTE Winding Four is not available in Two or Three Winding applications NOTE Winding Four is not available in Two or Three Winding applications Figure 4 36 I...

Страница 191: ...ent element NOTE These screens are also applicable for Windings 3 and 4 Function 50G 50 50G Instantaneous Overcurrent Phase Ground The Instantaneous phase 50 and Instantaneous Ground 50G overcurrent functions provide fast tripping for high fault currents The settings of both functions must be set such that they will not pickup for faults or conditions outside the immediate protec tive zone Two ove...

Страница 192: ...ormation to the relay Cancel Returns the user to the previous window any changes to the displayed information are lost NOTE Winding Four is not available in Two or Three Winding applications Figure 4 38 IPScom 50G Instantaneous Ground Overcurrent Setpoint Ranges Path Relay Setup Relay Setpoints 50G Instantaneous Ground Overcurrent COMMAND BUTTONS Save Saves all information to the relay Cancel Retu...

Страница 193: ...ions Figure 4 39 IPScom 50N Instantaneous Residual Overcurrent Setpoint Ranges Path Relay Setup Relay Setpoints 50N Instantaneous Residual Overcurrent COMMAND BUTTONS Save Saves all information to the relay Cancel Returns the user to the previous window any changes to the displayed information are lost 50N Instantaneous Residual Overcurrent The Instantaneous Residual 50N overcurrent function provi...

Страница 194: ...nverse time overcurrent NOTE These screens are also applicable for 51 2 through 51 4 NOTE Inverse Time Phase Overcurrent Element 4 is not avail able in Two and Three Winding applications 51 Inverse Time Phase Overcurrent The 51 Inverse Time Phase Overcurrent func tion one set per winding are used to trip circuits selectively and to time coordinate with up or down stream relays For this function el...

Страница 195: ...ppendix D Figures D 5 through D 15 The appropriate curve in the selected family of curves is chosen here Sets current input for inverse time residual overcurrent NOTE These screens are also applicable for 51N 2 3 and 4 NOTE Inverse Time Residual Current Element 4 is not avail able in Two or Three Winding applications 51N Inverse Time Residual Overcurrent The 51 InverseTime Residual Overcurrent pro...

Страница 196: ...ese screens are also applicable for Windings 3 and 4 NOTE Winding Four is not available in Two or Three Winding Applications 51G Inverse Time Ground Overcurrent The 51G Inverse Time Ground Overcurrent func tion is used to trip circuits selectively and to time coordinate with up or downstream relays For this function eleven complete series of inverse time neutral tripping characteristics are includ...

Страница 197: ...e the exciting current be comes very high and can damage the windings Overvoltage is most likely to occur for step up units when the generator is brought online or removed from service The relay provides overvoltage protection func tions with three voltage levels and three definite time setpoints any one or more of which can be programmed to trip the unit or send an alarm This is true 3 phase func...

Страница 198: ...lable if the voltage input is connected to a broken delta VT If voltage input is connected to broken delta VT Functions 81O U 27 and 24 will be unavailable The 59G Ground Overvoltage function provides protection for ground faults on the system Pickup setting for 59G should be set in such a way that it is higher than normal neutral voltage during unbalanced conditions The time delay should be set t...

Страница 199: ...the residual voltage V0 is the calculated zero sequence voltage from the measured quantities ofVA VB VC Basically 59G becomes 59N When VG is selected the operating quantity is the measured voltage at the VG terminals of the M 3311A relay NOTE This setting is only functional with firmware version V02 03 01 and later Figure 4 45 IPScom 59G Ground Overvoltage Setpoint Ranges 2 3 Winding Path Relay Se...

Страница 200: ...a VT con nection 81O U 27 and 24 Functions are only available if the voltage input is connected to the phase voltage If the voltage input is connected to phase volt age Function 59G will be unavailable Function 59G is only available if the voltage input is connected to a broken delta VT If voltage input is connected to broken delta VT Functions 81O U 27 and 24 will be unavailable The 81O U Over Un...

Страница 201: ...81O U Over Underfrequency Setpoint Ranges Path Relay Setup Relay Setpoints 81 Over Under Frequency COMMAND BUTTONS Save Saves all information to the relay Cancel Returns the user to the previous window any changes to the displayed information are lost ...

Страница 202: ...rent The 87H Phase Differential Unrestrained High Set Overcurrent function is used to detect transformer internal winding faults with high currents Unlike the 87T function the 87H function is not blocked by harmonic restraint The pickup for this function should be set above the worst case first peak of the inrush current This prevents misoperation of the function due to magnetizing inrush current ...

Страница 203: ... the previous window any changes to the displayed information are lost NOTE Winding Four is not available for selection in Two or Three Winding applications Figure 4 49 IPScom C T Tap Phase Differential Current Setpoint Ranges Path Relay Setup Relay Setpoints 87 Phase Differential Current COMMAND BUTTONS Save Saves all information to the relay Cancel Returns the user to the previous window any cha...

Страница 204: ...nt in the windings The amount of even harmonic current Id24 in PU can be found by using the formula Id24 Id2 2 Id4 2 Where Id2 and Id4 are second and fourth harmonic currents in PU respectively The percentage of even harmonics is found by the ratio Id24 Id1 If this ratio is greater than the even harmonic restraint setpoint then 87T is restrained from operating The equation below illustrates how th...

Страница 205: ...4 78 M 3311A Instruction Book Figure 4 50 87T Programmable Dual Slope Percentage Restraint Characteristic I where IR Σ aIAW1 af af IAW2 af af IAW3 af IAW4 af 2 Id Σ IAW1 IAW2 IAW3 IAW4 ...

Страница 206: ...nd W4 CT tap settings are used to convert the W1 W2 W3 and W4 current in terms of PU These settings are provided to com pensate for CT ratio mismatch for 87T and 87H func tions The example calculation is for a three winding application These should be calculated as follows W3 W2 W1 a b c a b c A B C Dac CT 2000 5 Wye CT 8000 5 Wye CT 8000 5 Transformer Rating 392 8 MVA 196 4 MVA 196 4 MVA 161 kV 1...

Страница 207: ...H RESTRAINT 10 87T PICKUP 5TH RESTRAINT 0 75 PU 87 W1 C T TAP 1 00 87 W2 C T TAP 1 00 87 W3 C T TAP 1 00 87 W4 C T TAP 1 00 87T PICKUP 0 50 PU 87T SLOPE 1 25 87T SLOPE 2 75 87T SLOPE BREAKPOINT 2 0 PU 87T EVEN RESTRAINT disable enable CROSS_AVG See previous pages for more information on these settings ...

Страница 208: ...proximately less than 140 mA approx based on 5 A CT rating For this case the algorithm automatically disables the direc tional element and the 87GD function becomes non directional differential The pickup quantity is calculated as the difference between the corrected triple zero sequence current CTRCFX 3I0 and the ground current IG The magnitude of the differ ence CTRCF X 3I0 IG is compared to the...

Страница 209: ...ications Figure 4 52 IPScom 87GD Ground Differential Current Setpoint Ranges Path Relay Setup Relay Setpoints 87GD Ground Differential current COMMAND BUTTONS Save Saves all information to the relay Cancel Returns the user to the previous window any changes to the displayed information are lost ...

Страница 210: ...put If the Trip Circuit is open and the output contact is open no current flows and the Trip Circuit Monitoring Input is deactivated An Output Contact that is welded closed would also cause the Trip Circuit Monitoring Input to deactivate indicating failure of the Output Contact When the Output Contact is closed no current flows in the Trip Circuit Monitoring Input If the M 3311A has issued a trip ...

Страница 211: ... no current flows in the Trip Circuit Monitoring Input If the M 3311A closes the Output Contact and Trip Circuit Monitor ing Input remains activated this is an indication that the Output Contact failed to close 52b Trip Circuit Monitoring Input 2 1 Aux Input Output Contact Station Battery Other Contacts 52a 52 or 86 Trip Coil 86 or IN 1 M 3311A Figure 4 55 Trip Circuit Monitoring Input This functi...

Страница 212: ...y A Time Delay can be ap plied to delay the reset of the TCM function output I O Selection The I O Selection allows any input to be selected to block the TCM The TCM 1 2 Function can also be used to activate a selected Output when it times out Save Cancel The Save selection saves the TCM Function Dialog Screen settings either to an open file or to the target M 3311A Cancel returns the user to the ...

Страница 213: ...Electric Co Inc recommends that the M 3311A CCM circuit be connected directly to the close coil bypassing the anti pump Y relay por tion of the close circuit as illustrated in Figure 4 57 The type of anti pump Y relay that is often found within the close coil circuit is generally a high imped ance type such as an IDEC RR Series Power Relay The relay coil resistance is high approximately 8 5 to 10K...

Страница 214: ...ontacts 52b LS LCS Y 52 Close Coil Y Y LS Legend Anti pump relay prevents reclosing on a sustained close command A spring charge limit switch shown with breaker closing spring discharged Latch check switch closed when latch is reset Y Y LS LCS Figure 4 57 Recommended Close Circuit Monitoring Input Configuration ...

Страница 215: ...4 88 M 3311A Instruction Book Figure 4 58 Close Circuit Monitoring Input Configuration with Anti pump Relay Not Bypassed ...

Страница 216: ...RKRW1 TIMING METHOD it i2t Breaker Monitoring The Breaker Monitoring feature calculates an esti mate of the per phase wear on the breaker contacts by measuring and integrating the current or current squared passing through the breaker contacts dur ing the interruption period The per phase values are added to an accumulated total for each phase and then compared to a user programmed thresh old valu...

Страница 217: ...UM I 2T LIMIT 100 kA 2 cycles THFLT PU OPERATIONS LIM 5 Records THFLT CURRENT SELECT sum1 sum2 w1 W2 w3 w4 THFLT DELAY 30 Cycles predict transformer failures facilitating corrective action Recording the number and severity of Through Faults experienced by a transformer can aid in determining predictive maintenance practices TheThrough Fault monitor is triggered when current in any one of the phase...

Страница 218: ...ing IPSlogic contacts screens not shown NOTE These screens are also applicable for IPSlogic Functions 2 3 4 5 and 6 Settings applicable when this function is enabled using the HMI IPSlogic The relay provides six IPSlogic Functions IPSlogic Functions can be used to allow external devices to trip through the relay providing additional target information for the external device More impor tantly thes...

Страница 219: ...or IN5 Initiating output is OUT4 Blocking input is IN3 IPSlogic function output is OUT6 Time Delay of 30 cycles The only logical limitation is that the same status input cannot be designated as both an initiating input and a blocking input The connection for the external device to the input contacts is illustrated in Chapter 5 Figure 5 5 M 3311A External Con nections and Chapter 6 Table 6 2 Input ...

Страница 220: ...wn in Figure 4 62 4 63 and 4 64 respectively The activation state of the input function selected in the Initiating Function Trip dialog Figure 4 62 is the Tripped state not Pickup If the user requires an initiating input that indicates a Pickup status this can be achieved Since most functions have multiple setpoints the second setpoint can be set with no intentional time delay and used as the init...

Страница 221: ...4 94 M 3311A Instruction Book Figure 4 64 Select Initiating Functions Screen 4 Winding Figure 4 63 Select Initiating Functions Screen 2 3 Winding ...

Страница 222: ...nication Point Programmable Outputs 1 8 Programmable Function s Tripped Status Only Including External Programmable Inputs 1 6 Programmed Profile Setting Group 1 4 Programmed Outputs 1 8 Log Target EXT N Activated Programmed Time Delay 1 65 500 Cycles 1091 Sec Beckwith IPSlogic This section of IPSlogic initiates the EXT Function Output This section of IPSlogic is used to activate the desired Outpu...

Страница 223: ...le input on the relay This input will block the 50W2 function from operating under normal feeder trip conditions If a fault occurs on the bus connected to winding 2 and none of the feeder relays have tripped the 50W2 function will then proceed to trip the breaker after the specified time delay Example Function 50W2 1 is programmed with the following I O settings trip Output 2 time delay setting of...

Страница 224: ...up protection independent of the load current If the 51 Function is used it must be set to coordinate with the load current and results in less sensitive protection This application requires no special logic to imple ment The scheme is enabled using the 46 Function basic settings through a user selected control input configured such that the 46 Function is blocked by an open contact The parallel c...

Страница 225: ...n is programmed to initiate the IPSlogic functions that are associated with the load shedding configuration Each IPSlogic function output is used to trip a cor responding feeder load or initiate voltage reduction Example The Function 50W2 1 basic settings provide the first load shedding step The tie CB 52b contact wired in parallel with the 52a contacts of the low side transformer breakers are pro...

Страница 226: ... Communication Point Programmable Output 2 Programmed Profile Setting Group 1 4 Programmed Outputs 1 8 Log Target EXT N Activated Programme d Time Delay 1 65 500 Cycles 1091 Sec This section of IPSlogic initiates the EXT Function Output This section of IPSlogic is used to activate the desired Output This section of IPSlogic is used to block the IPSlogic Function Output 52b of Tie Breaker 52a 52a B...

Страница 227: ...dictable trip coordination The blocking contact can be wired to the Auto Disable input Beckwith M 2270B M 2001C Tapchanger control for example or wired in series with the motor power for the Tapchanger Example Function 50W1 2 is programmed to trip on OUT7 with a pickup of 2X transformer nameplate rated current The seal in delay of OUT7 is programmed to 3000 cycles 50 seconds The normally closed co...

Страница 228: ...ts entering exiting winding n of the transformer IA CompWn etc are the compensated phase currents after being multiplied by the 3x3 matrix ConnectType N The ConnectType N is a discrete number representing the number of 30 degree increments a balanced set of currents with abc phase rotation will be rotated in a counterclockwise rotation Types 0 11 correspond to phase shifts of 0 30 60 330 with a ma...

Страница 229: ...4 102 M 3311A Instruction Book Table 4 5 Transformer Connections ...

Страница 230: ...pe W2 ConnectXfm Wye Con nectCT Delta ab ConnectType W2 0 11 11 connect type 11 or 330 MagnitudeCT W2 ConnectCT Delta ab MagnitudeCT W2 23 1 S3 ConnectType W3 ConnectXfm Inverse Wye ConnectCT Delta ac ConnectType W3 6 1 7 connect type 7 or 210 MagnitudeCT W3 ConnectCT Delta ac MagnitudeCT W3 13 1 S3 If any transformer winding is a wye with a wye CT the ConnectType is returned as 0 or 0 the relay a...

Страница 231: ...4 104 M 3311A Instruction Book Table 4 7 Custom Transformer and CT Configuration ...

Страница 232: ...he CT leads to the relay has the CT leads with the polarity mark connected to the relay input terminals with polarity mark If the standard transformer configuration option is selected the configuration input selections are Transformer Configuration W1 Delta ac Transformer Configuration W2 Wye Transformer Configuration W3 Wye CT Configuration W1 Wye CT Configuration W2 Wye CT Configuration W3 Wye I...

Страница 233: ...4 106 M 3311A Instruction Book CONNECTION EXAMPLES Figure 4 72 Typical Transformer Differential Application ...

Страница 234: ...4 107 System Setup and Setpoints 4 AUXILIARY TRANSFORMER EXAMPLE Figure 4 73 Delta ac Wye Wye CT Connection Diagram ...

Страница 235: ...Sequence Filtering is applicable for grounded wye winding with wye connected CTs Otherwise zero sequence currents could appear in this input to relay but in no other causing possible false trip during an external fault Figure 4 74 Custom Settings for Delta ac Wye Wye ...

Страница 236: ...4 109 System Setup and Setpoints 4 GSU TRANSFORMER EXAMPLE Figure 4 75 Wye Delta ac Delta ac CT Connection Diagram ...

Страница 237: ... 110 M 3311A Instruction Book Beckwith Y Delta ac Delta ac IEC Description Y d1 d1 GSU TRANSFORMER EXAMPLE Breaker and a half application Figure 4 76 Custom Settings for Wye Delta ac Delta ac REF Winding ...

Страница 238: ...uick review of the contents of this chapter The person or group responsible for the installation of the relay will find herein all mechanical informa tion required for the physical installation equipment ratings and all external connections in this chapter For reference theThree Line Connection Diagrams are repeated from Chapter 4 System Settings and Setpoints Further a pre commissioning checkout ...

Страница 239: ...s 0 40 1 02 X 0 27 0 68 Slot 4X 19 00 48 26 18 31 46 51 0 35 0 89 1 48 3 8 2 25 5 72 NOTE Dimensions in brackets are in centimeters 10 20 25 91 19 00 48 26 17 50 44 45 17 50 44 45 ACTUAL 5 21 13 23 ACTUAL Figure 5 1 M 3311A Horizontal Chassis Mounting Dimensions H1 ...

Страница 240: ...Installation 5 5 3 NOTE Dimensions in brackets are in centimeters Figure 5 2 M 3311A Mounting Dimensions Horizontal Chassis With Expanded I O ...

Страница 241: ...M 3311A Instruction Book 5 4 0 32 0 81 0 32 0 81 18 31 46 51 18 31 46 51 NOTE Dimensions in brackets are in centimeters Figure 5 3 M 3311A Panel Mount Cutout Dimensions ...

Страница 242: ...XIT ENTER TARGET DIAG TIME OSC TRIG SYNC BRKR CLOSED OK RELAY TARGET RESET PS 2 PS 1 17 5 44 45 ACTUAL 5 65 14 40 Recommended cutout when relay is not used as standard rack mount and is panel cut out mounted 19 00 48 26 17 50 44 45 0 35 0 89 0 03 0 076 NOTE Dimensions in brackets are in centimeters 6 19 15 7 10 20 25 91 Figure 5 4 M 3311A Vertical Chassis Mounting Dimensions Without Expanded I O H...

Страница 243: ...M 3311A Instruction Book 5 6 Figure 5 5 Mounting Dimensions for GE L 2 Cabinet H3 and H4 ...

Страница 244: ...ed from the same source 3 AMP 2 5 0 V 3 AB 3 AMP 2 5 0 V 3 AB F4 PS2 F2 PS1 I c 58 59 2 P S S P 1 60 61 62 63 F1 F3 5 5 2 6 8 6 5 18 6 6 8 5 2 1 8 5 5 Figure 5 7 Expanded I O Power Supply Grounding Requirements The M 3311A is designed to be mounted in an adequately grounded metal panel using grounding techniques metal to metal mounting and hardware that assures a low impedance ground Unit Isolatio...

Страница 245: ... 3 1 Danger Contact avec les terminaux peut causer un choc electrique Figure 5 8 Two Winding Zero Voltage Inputs External Connections NOTES 1 CAUTION Before making connections to the Trip Circuit Monitoring input see Section 5 5 Circuit Board Switches and Jumpers for the information regarding setting Trip Circuit Monitoring input voltage Connecting a voltage other than the voltage that the unit is...

Страница 246: ...2 3 45 WINDING 1 W1 47 46 I A 48 49 I B 50 51 I C 52 53 I G WINDING 2 W2 54 55 A I 56 57 B I 58 59 I C 60 61 PS2 62 63 PS1 Danger Contact avec les terminaux peut causer un choc electrique Figure 5 9 Two Winding Zero Voltage Inputs Extended Output External Connections NOTES 1 CAUTION Before making connections to the Trip Circuit Monitoring input see Section 5 5 Circuit Board Switches and Jumpers fo...

Страница 247: ... 3 V O AUX 2 3 1 V G V O OR Danger Contact avec les terminaux peut causer un choc electrique Figure 5 10 Two Winding Two Voltage Inputs External Connections NOTES 1 CAUTION Before making connections to the Trip Circuit Monitoring input see Section 5 5 Circuit Board Switches and Jumpers for the information regarding setting Trip Circuit Monitoring input voltage Connecting a voltage other than the v...

Страница 248: ...5 40 41 42 43 44 WINDING 1 W1 47 46 I A 48 49 I B 50 51 I C 52 53 I G WINDING 2 W2 54 55 A I 56 57 B I 58 59 I C 60 61 PS2 62 63 PS1 V O V G V O OR Danger Contact avec les terminaux peut causer un choc electrique Figure 5 11 Two Winding Two Voltage Inputs Extended Output External Connections NOTES 1 CAUTION Before making connections to the Trip Circuit Monitoring input see Section 5 5 Circuit Boar...

Страница 249: ... A V B V C V G VBC VCA AUX V 2 3 1 Danger Contact avec les terminaux peut causer un choc electrique Figure 5 12 Two Winding Four Voltage Inputs External Connections NOTES 1 CAUTION Before making connections to the Trip Circuit Monitoring input see Section 5 5 Circuit Board Switches and Jumpers for the information regarding setting Trip Circuit Monitoring input voltage Connecting a voltage other th...

Страница 250: ... 3 A MP 2 5 0 V 3 A B 3 A MP 2 5 0 V 3 A B P S 2 F 1 F 2 F 4 14 13 12 11 10 9 16 15 O U T P U T S I N P U T S I N 17 18 13 14 15 16 RS232 76 77 80 78 79 81 82 92 85 83 84 86 87 88 89 91 90 97 93 94 95 96 98 99 113 101 100 102 103 108 104 105 107 106 109 110 111 112 114 115 B G I R I COM 2 I N N I I N N I I N N I RTN 7 2 7 5 4 4 2 3 2 6 B E C K W IT H E L E C T R IC C O I N C 6 19 0 118 t h AV E NO...

Страница 251: ... S 2 1 P S 1 32 33 O N L A 34 2 3 1 Danger Contact avec les terminaux peut causer un choc electrique Figure 5 14 Three Winding Zero Voltage Inputs External Connections NOTES 1 CAUTION Before making connections to the Trip Circuit Monitoring input see Section 5 5 Circuit Board Switches and Jumpers for the information regarding setting Trip Circuit Monitoring input voltage Connecting a voltage other...

Страница 252: ...38 39 I A 45 40 41 I B 42 43 I C 44 I A WINDING 2 W2 47 46 I B 48 49 I C 50 51 I G 52 53 I A WINDING 3 W3 54 55 B I 56 57 C I 58 59 I G 60 61 PS2 62 63 PS1 Danger Contact avec les terminaux peut causer un choc electrique Figure 5 15 Three Winding Zero Voltage Inputs Extended Output External Connections NOTES 1 CAUTION Before making connections to the Trip Circuit Monitoring input see Section 5 5 C...

Страница 253: ... 1 32 33 O N L A 34 2 3 1 68 69 71 70 73 72 74 75 V G V O OR Danger Contact avec les terminaux peut causer un choc electrique Figure 5 16 Three Winding Two Voltage Inputs External Connections NOTES 1 CAUTION Before making connections to the Trip Circuit Monitoring input see Section 5 5 Circuit Board Switches and Jumpers for the information regarding setting Trip Circuit Monitoring input voltage Co...

Страница 254: ...I C 44 I A WINDING 2 W2 47 46 I B 48 49 I C 50 51 I G 52 53 I A WINDING 3 W3 54 55 B I 56 57 C I 58 59 I G 60 61 PS2 62 63 PS1 64 66 65 67 V 0 68 69 71 70 73 72 74 75 V G V O OR Danger Contact avec les terminaux peut causer un choc electrique Figure 5 17 Three Winding Two Voltage Inputs Extended Output External Connections NOTES 1 CAUTION Before making connections to the Trip Circuit Monitoring in...

Страница 255: ...F 2 2 P S 2 1 P S 1 32 33 O N L A 34 VAB V B VBC V C VCA V G 2 3 1 Danger Contact avec les terminaux peut causer un choc electrique Figure 5 18 Three Winding Four Voltage Inputs External Connections NOTES 1 CAUTION Before making connections to the Trip Circuit Monitoring input see Section 5 5 Circuit Board Switches and Jumpers for the information regarding setting Trip Circuit Monitoring input vol...

Страница 256: ... 70 69 71 V A 40 41 I B 42 43 I C 44 I A 74 73 75 WINDING 2 W2 47 46 I B 48 49 I C 50 51 I G 52 53 I A WINDING 3 W3 54 55 B I 56 57 C I 58 59 I G 60 61 PS2 62 63 PS1 VAB V B VBC V C VCA V G Danger Contact avec les terminaux peut causer un choc electrique Figure 5 19 Three Winding Four Voltage Inputs Extended Output External Connections NOTES 1 CAUTION Before making connections to the Trip Circuit ...

Страница 257: ...6 0 Hz MODEL M 3311A FIRMWARE D 0179 LISTED IND CONT EQ 83F4 C R US ETHERNET V O OR V G Danger Contact avec les terminaux peut causer un choc electrique Figure 5 20 Four Winding Two Voltage Inputs External Connections NOTES 1 CAUTION Before making connections to the Trip Circuit Monitoring input see Section 5 5 Circuit Board Switches and Jumpers for the information regarding setting Trip Circuit M...

Страница 258: ...4 6 26 27 5 4 29 31 30 3 32 33 34 2 1 US C R 83F4 L IS T E D IN D C O N T EQ M O C 2 1 2 I N 12 I N 11 I N 10 I N 9 I N 8 I N 7 48 125 250 24 C CM 2 T CM 2 CC M 1 T C M 1 Firmware D 0179 B G I R I V O OR V G Danger Contact avec les terminaux peut causer un choc electrique Figure 5 21 Four Winding Two Voltage Inputs Extended Output External Connections NOTES 1 CAUTION Before making connections to t...

Страница 259: ... CA USE EL ECT RIC SHO CK FO R CO NT A C T RA T INGS SEE INST RUCT IO N MA NUA L 8 9 4 5 6 7 12 13 10 W2 11 IN 1 I N P U T S IN 4 IN 6 IN 5 IN 3 IN 2 5 2 b IN P S RT N 16 17 18 19 14 15 22 23 24 25 20 21 2 TEST SEL F 8 7 5 6 S PS2 F3 F4 5 8 0 2 6 62 8 61 1 63 56 P F1 250V 3AMP 3AB F2 PS 1 28 29 30 31 26 27 1 34 32 33 4 2 3 1 RATED CURRENT IRIG B COM 2 IND CONT EQ US C UL LISTED 83F4 60 140VAC VOLT...

Страница 260: ...MA Y CA USE EL ECT RIC SHO CK FO R CO NT A C T RA T INGS SEE INST RUCT IO N MA NUA L 8 9 4 5 6 7 12 13 10 W2 11 IN 1 I N P U T S IN 4 IN 6 IN 5 IN 3 IN 2 5 2 b IN P S RT N 16 17 18 19 14 15 22 23 24 25 20 21 2 TEST SEL F 8 7 5 6 S PS2 F3 F4 5 8 0 2 6 62 8 61 1 63 56 P F1 250V 3AMP 3AB F2 PS 1 28 29 30 31 26 27 1 34 32 33 4 2 3 1 35 RATED CURRENT IRIG B COM 2 IND CONT EQ US C UL LISTED 83F4 60 140V...

Страница 261: ...CA US E EL ECT RIC S HO CK FO R CO NT A C T RA T INGS S EE INS T RUCT IO N MA NUA L 8 9 4 5 6 7 12 13 10 W2 11 IN 1 I N P U T S IN 4 IN 6 IN 5 IN 3 IN 2 5 2 b IN P S RT N 16 17 18 19 14 15 22 23 24 25 20 21 2 TEST SEL F 8 7 5 6 S PS2 F3 F4 5 8 0 2 6 62 8 61 1 63 56 P F1 250V 3AMP 3AB F2 PS1 28 29 30 31 26 27 1 34 32 33 4 2 3 1 35 RATED CURRENT IRIG B COM 2 IND CONT EQ US C UL LISTED 83F4 60 140VAC...

Страница 262: ...W IT H T ERMINA L S MA Y CA USE EL ECT RIC SHO CK FO R CO NT A C T RA T INGS SEE INST RUCT IO N MA NUA L 8 9 4 5 6 7 12 13 10 W2 WIND ING 2 11 IN 1 I N P U T S IN 4 IN 6 IN 5 IN 3 IN 2 5 2 b IN P S RT N W3 16 17 18 19 14 15 WIND ING 3 22 23 24 25 20 21 2 TEST SEL F 8 7 5 6 S PS2 F3 F4 5 8 0 2 6 62 8 61 1 63 56 P F1 250V 3AMP 3AB F2 PS 1 28 29 30 31 26 27 1 34 32 33 4 2 3 1 35 RATED CURRENT IRIG B ...

Страница 263: ...T ERMINA L S MA Y CA USE EL ECT RIC SHO CK FO R CO NT A C T RA T INGS SEE INST RUCT IO N MA NUA L 8 9 4 5 6 7 12 13 10 W2 WIND ING 2 11 IN 1 I N P U T S IN 4 IN 6 IN 5 IN 3 IN 2 5 2 b IN P S RT N W3 16 17 18 19 14 15 WIND ING 3 22 23 24 25 20 21 2 TEST SEL F 8 7 5 6 S PS2 F3 F4 5 8 0 2 6 62 8 61 1 63 56 P F1 250V 3AMP 3AB F2 PS 1 28 29 30 31 26 27 1 34 32 33 4 2 3 1 35 RATED CURRENT IRIG B COM 2 I...

Страница 264: ... CT W IT H T ERMINA L S MA Y CA USE EL ECT RIC SHOC K FO R CONT A CT RA T INGS SEE INST RUCT IO N MA NUA L 8 9 4 5 6 7 12 13 10 W2 WIND ING 2 11 IN 1 I N P U T S IN 4 IN 6 IN 5 IN 3 IN 2 5 2 b IN P S RT N W3 16 17 18 19 14 15 WIND ING 3 22 23 24 25 20 21 2 TEST SEL F 8 7 5 6 S PS2 F3 F4 5 8 0 2 6 62 8 61 1 63 56 P F1 250V 3AMP 3AB F2 PS 1 28 29 30 31 26 27 1 34 32 33 4 2 3 1 35 RATED CURRENT IRIG ...

Страница 265: ...8 I I I P A L A R M S W A RNING C ONT A CT W IT H T ERMINA L S MA Y CA USE EL ECT RIC SHO CK FO R CO NT A C T RA T INGS SEE INST RUCT IO N MA NUA L 8 9 4 5 6 7 12 13 10 W2 WIND ING 2 11 IN 1 I N P U T S IN 4 IN 6 IN 5 IN 3 IN 2 5 2 b IN P S RT N W3 16 17 18 19 14 15 WIND ING 3 22 23 24 25 20 21 2 TEST SEL F 8 7 5 6 S PS 2 F3 F4 5 8 0 2 6 62 8 61 1 63 56 P F1 250V 3AMP 3AB F2 PS1 28 29 30 31 26 27 ...

Страница 266: ... A B C 59 58 57 56 55 54 M 3311A W 2 A B C 53 52 M 3311A W 2 IG AND 39 38 OR 39 38 A B C M 3311A M 3311A VO VO Winding 1 W 1 B A C Winding 2 W 2 A C B NOTES Delta Wye power transformer shown with Wye Wye connedted CTs Connected 4 DABY yy Other connections are possible Alternate VT connections see Instruction Book Chapter 5 Status Inputs and Relay Output are designated Extra Outputs may be designat...

Страница 267: ... with Wye Wye connedted CTs Connected 4 DABY yy Other connections are possible Alternate VT connections see Instruction Book Chapter 5 Status Inputs and Relay Output are designated Extra Outputs may be designated for control supervisory operation 1 2 3 4 C B A 10 9 8 11 IN 1 52b IN 2 Typical IN 3 Typical IN Return 52b Other Inputs Other Inputs M 3311A Input Contacts 43 41 42 40 M 3311A 39 38 43 41...

Страница 268: ...Other Inputs Other Inputs M 3311A Input Contacts Power Transformer 51 50 M 3311A W 2 43 42 41 40 39 38 M 3311A W 1 52 A B C A B C A B C 52 AND Winding 1 W 1 Winding 2 W 2 Winding 3 W 3 IG2 65 64 OR 65 64 V φ A B C 52 A B C 59 58 M 3311A W 3 IG3 M 3311A M 3311A R R A B C 71 70 M 3311A 57 56 55 54 53 52 M 3311A W 3 A B C 49 48 47 46 45 44 M 3311A W 2 A B C V φ R VG Figure 5 31 Typical Three Winding ...

Страница 269: ... R 57 56 55 54 53 52 M 3311A W 3 49 48 47 46 45 44 M 3311A W 2 A B C 43 42 41 40 39 38 M 3311A W 1 52 A B C 69 67 68 66 65 64 Two VT Open Delta Connections 2 A B C 69 67 65 68 66 64 M 3311A Three VT Wye Wye Connection 2 M 3311A Broken Delta VTs 71 70 VG M 3311A NOTES Delta Wye power transformer shown with Wye Wye connedted CTs Connected 4 DABY yy Other connections are possible Alternate VT connect...

Страница 270: ...s Other Inputs M 3311A Input Contacts 43 42 41 40 39 38 M 3311A W 1 71 70 69 68 67 66 M 3311A W 4 Power Transformer 51 50 M 3311A W 2 A B C A B C A B C 52 Winding 2 W 2 Winding 3 W 3 IG2 37 36 OR 37 36 52 A B C M 3311A M 3311A A B C 49 48 47 46 45 44 M 3311A W 2 A B C VO VO 57 56 55 54 53 52 M 3311A W 3 59 58 M 3311A W 3 IG3 R R A B C A B C A B C AND A B C VG 65 64 M 3311A R A B C Figure 5 33 Typi...

Страница 271: ...for the unit to display ground current The Ground current should be IG W4y0 Amps W4 GROUND CURRENT 0 00 Amps 14 Press ENTER for the unit to display restraint currents The restraint currents should be IREST y for each phase RESTRAINT CURRENT PU A 5 000 B 5 000 C 5 000 5 4 Pre Commissioning Checkout During M 3311A Transformer Protection Relay field commissioning check the following procedure to ensu...

Страница 272: ...ing F49 THERMAL CURRENT A B C 25 Press EXIT the unit displays CURRENT STATUS volt CURR freq v hz 15 Press ENTER for the unit to display the fundamental differential currents The fundamental differential currents should be ID IFF yW1 W2 y0 for each phase If a significant amount of differential current is present check the CT polarities DIFF CURRENT FUND PU A 0 000 B 0 000 C 0 000 16 Press ENTER for...

Страница 273: ...p for dual Power Supply Down for Single X X U U Run Mode X X D D Factory Use Only X X D U Initialize access codes and communication parameters to default values X D X X Flash Update Enabled Power down set switch then power up After power up the RELAY OK LED light remains off and DIAG LED will illuminate when the operation has been satisfactorily completed Table 5 2 Circuit Board Switches Trip Circ...

Страница 274: ...e Jumper J13 Position Jumper J14 Position Jumper J15 Position 24 V dc A to B A to B A to B 48 V dc B to C A to B A to B 125 V dc B to C B to C A to B 250 V dc B to C B to C B to C Default from Factory Table 5 5 Trip Circuit Monitor 2 Input Voltage Select Jumper Configuration Close Circuit Monitor 2 Input Voltage Select Input Voltage Jumper J16 Position Jumper J17 Position Jumper J18 Position 24 V ...

Страница 275: ...M 3311A Instruction Book 5 38 Dip Switch J46 J60 J61 J5 J20 J21 J22 J18 Figure 5 34 M 3311A Circuit Board Standard I O ...

Страница 276: ... R104 R98 D72 R103 R97 C79 C106 C110 DS16 FB14 FB11 R60 D41 R59 D34 U19 C66 DS15 FB10 D31 R44 D29 R43 Q2 C44 C49 DS13 R124 C138 C139 C136 C137 R130 D84 D92 D87 RT6 R122 U34 D56 R80 D85 C97 C99 C98 C135 D55 R78 RT2 C103 C102 FB1 D51 R73 C95 C91 D50 R71 RT1 JP1 K8 RV19 C86 FB15 DS8 RV16 C69 C64 K5 RV14 C54 C47 DS5 RV8 C34 DS3 K2 RV4 RV1 C22 C8 DS2 C7 C57 D81 RV27 U47 D37 D75 RV20 R127 R128 U35 U42 U...

Страница 277: ...al lation file setup exe contained on the IPScom installation disk c Select Run to start the installation process 5 7 Activating Initial Local Communications The relay and IPScom Communications Software are shipped from the factory with the same default communication parameters Therefore it may not be necessary to set up communication parameters In order for IPScom to communicate with the relay us...

Страница 278: ... System Setpoints and Settings Selected settings that are unique to the application may be recorded on the appropriate record form as calculated from Chapter 4 System Setup and Setpoints Setup Procedure 1 Connect power to the relay s rear power terminals as marked on the rear panel s power supply label and as shown in Figures 5 6 and 5 7 2 When power is initially applied the M 3311A performs a num...

Страница 279: ... Disabling unused functions improves the response time of the indicators and controls 8 Enable the desired protective functions for the relay application The general information required to complete the input data on this section includes Enable disable function Output choices OUT1 8 Input blocking choices IN1 6 The relay is shipped with a certain group of standard functions including other option...

Страница 280: ... 26 46IT Negative Sequence Overcurrent Inverse Time 6 27 49 Winding Thermal Protection 6 29 50 Instantaneous Phase Overcurrent Winding 1 8 6 31 50G Instantaneous Ground Overcurrent 6 32 50N Instantaneous Residual Overcurrent 6 33 50BF Breaker Failure 6 34 51 Inverse Time Phase Overcurrent 6 36 51G Inverse Time Ground Overcurrent 6 38 51N Inverse Time Residual Overcurrent 6 39 59 Phase Overvoltage ...

Страница 281: ...ary as the M 3311A Transformer Protection Relay is calibrated and fully tested at the factory If calibration is necessary because of a component replacement follow the Auto Calibration procedure detailed in Section 6 3 Required Equipment The following equipment is required to perform the test procedures outlined in this chapter Two Digital Multimeters DMM with a 10 Amp current range These are not ...

Страница 282: ...nt is in service Entering DIAGNOSTIC MODE when protected equipment is in service removes all protective functions of the relay 4 Press the right arrow pushbutton until the following is displayed SETUP UNIT SETUP 5 Press ENTER the following is displayed SOFTWARE VERSION VERS eth sn access number 6 Press the right arrow pushbutton until the following is displayed DIAGNOSTIC MODE alrm time error DIAG...

Страница 283: ...n be turned ON in the following manner 1 Press ENTER The following is displayed RELAY NUMBER 1 2 Press ENTER The following is displayed RELAY NUMBER 1 OFF on 3 Use the right arrow button to change on to uppercase letters which signifies selection The following is displayed RELAY NUMBER 1 off ON 4 Press ENTER Output Relay 1 will energize The following is displayed RELAY NUMBER 1 5 Choose output num...

Страница 284: ...C 2 IPS2 IPS LOGIC 3 IPS3 IPS LOGIC 4 IPS4 IPS LOGIC 5 IPS5 IPS LOGIC 6 IPS6 TARGETS OUTPUTS OUT 1 OUT 3 OUT 5 OUT 7 OUT 2 OUT 4 OUT 6 OUT 8 50 50N 7 8 50GW4 INST OC Figure 6 3 Typical 4 Winding M 3911A Target Module For units equipped with an optional HMI panel 1 When STATUS LEDTEST is displayed press the right button until the following is displayed TARGET LED TEST output input led TARGET 8 Use ...

Страница 285: ... displayed BUTTON TEST ENTER 3 Release ENTER The following is displayed BUTTON TEST 0 NOTE Pressing the EXIT button will terminate this test so it should be tested last If it is pressed before the test sequence is complete the test may be restarted by pressing ENTER Notice the word EXIT is displayed temporarily before the test sequence is terminated 4 Repeat this test for each of the buttons on th...

Страница 286: ...lowing is displayed COM1 LOOPBACK TEST 19200 PASS 5 Press ENTER to test each of the baud rates When all baud rates have been tested press ENTER The following is displayed COM1 LOOPBACK TEST DONE 6 Press the right arrow until the following is displayed COM2 LOOPBACK TEST button disp com1 COM2 7 Repeat Steps 2 5 to test COM2 COM3 Test 2 Wire NOTE This test requires a PC with an RS 485 converter and ...

Страница 287: ...milar to the following is shown with the seconds counting CLOCK TEST 03 JAN 1998 09 0035 000 NOTE If the unit is removed from service or is to be without power for long periods of time the clock should be stopped to preserve battery life 5 Press ENTER again to stop the clock The following is displayed CLOCK TEST CLOCK STOP 6 A display similar to the following is shown with the seconds stopped NOTE...

Страница 288: ...turn to the former menu 5 Repeat step 2 and use the left arrow key to select OFF and press ENTER 6 Press EXIT to return to the former menu Factory Use Only This function is provided to allow access by factory personnel NOTE Must scroll through AUTO CALIBRATION com3 clock led CAL to reach FACTORY USE ONLY menu FACTORY USE ONLY FACTORY ...

Страница 289: ...IC W3 IG W3 IA W4 IB W4 IC W4 IG W4 5 Apply 5 00 0 01 Amps s0 For 1 Amp CT models use 1 0 0 01 Amps s0 Current Input 41 40 39 38 43 42 45 44 47 46 49 48 51 50 53 52 55 54 57 56 59 58 IA W1 IB W1 IC W1 IA W2 IB W2 IC W2 IG2 W2 IA W3 IB W3 IC W3 IG3 W2 67 66 IA W4 69 68 IB W4 71 70 IC W4 73 72 IG W4 Figure 6 8 Current Calibration Configuration 4 Winding 6 PressENTERtostartcalibration Whilethe unit i...

Страница 290: ...on V1 2 Winding Hot Neutral Voltage Input 120 VAC 0o V2 Figure 6 10 Voltage Input Configuration V2 2 Voltage Option Hot Neutral Voltage Input 1 120 VAC 0o VA Hot Neutral Voltage Input 2 120 VAC 0o VB Hot Neutral Voltage Input 3 120 VAC 0o VC Figure 6 11 Voltage Input Configuration V3 4 Voltage Option Hot Neutral Voltage Input 1 120 VAC 30o 120 VAC 30o VA 120 VAC 90o VB 120 VAC 150o VC Hot Neutral ...

Страница 291: ...54 57 56 Current Input 4 IA W4 0o IB W4 120o IC W4 120o 67 66 69 68 71 70 Figure 6 18 Current Configuration C6 4 Winding 67 66 Current Input 1 69 68 Current Input 2 IB W4 120o 71 70 Current Input 3 IA W4 0o IC W4 120o Figure 6 16 Current Inputs Configuration C4 4 Winding 51 50 Current Input 1 59 58 Current Input 2 IG W3 0o IG W2 0o 73 72 Current Input 3 IG W4 0o Figure 6 17 Current Inputs Configur...

Страница 292: ...ing 6 6 13 Current Input 2 IA W2 0o IBW2 120o IC W2 120o 55 54 57 56 59 58 Current Input 1 IAW1 0o IB W1 120o ICW1 120o 47 46 49 48 51 50 IG W2 0o 53 52 Figure 6 19 Current Inputs Configuration C7 2 Winding ...

Страница 293: ...W1 0o IBW1 120o ICW1 120o 39 38 41 40 43 42 Current Input 2 IAW2 0o IBW2 120o ICW2 120o 45 44 47 46 49 48 IGW2 0o 51 50 Current Input 3 IAW3 0o IBW3 120o ICW3 120o 53 52 55 54 57 56 IGW3 0o 59 53 Figure 6 20 Current Inputs Configuration C8 3 Winding ...

Страница 294: ...onfiguration V6 3 Winding Hot Neutral 45 44 Voltage Input VG Hot Neutral 39 38 Voltage Input VA Hot Neutral 41 40 Voltage Input VB Hot Neutral 43 42 Voltage Input VC VAB VBC VCA Figure 6 23 Four Voltage Inputs Configuration V7 2 Winding Hot Neutral 71 70 Voltage Input VG Hot Neutral 65 64 Voltage Input VA Hot Neutral 67 66 Voltage Input VB Hot Neutral 69 68 Voltage Input VC VAB VBC VCA Figure 6 24...

Страница 295: ... OF ELEMENTS WINDINGS NOTES Voltage Based 24DT 1 2 N A 24IT 1 N A 27 1 2 3 N A 59 1 2 3 N A Only for 4 Voltage Inputs selectable as V Ph V 1 or V 2 59G 1 2 3 N A 81 1 2 3 4 N A Current Based 46DT 1 W2 46IT 1 W2 49 1 Sum1 Sum2 W1 W2 50 1 2 3 4 5 6 Sum1 Sum2 W1 W2 50N 1 2 3 4 5 6 Sum1 Sum2 W1 W2 50G 1 2 W2 50BF W1 W2 51 1 2 3 Sum1 Sum2 W1 W2 51N 1 2 3 Sum1 Sum2 W1 W2 51G W2 87T 87H 87GD 1 2 W2 ...

Страница 296: ...oltage Based 24DT 1 2 N A 24IT 1 N A 27 1 2 3 N A 59 1 2 3 N A Only for 4 Voltage Inputs selectable as V Ph V 1 or V 2 59G 1 2 3 N A 81 1 2 3 4 N A Current Based 46DT 1 W2 W3 46IT 1 W2 W3 49 1 Sum1 Sum2 W1 W2 W3 50 1 2 3 4 5 6 Sum1 Sum2 W1 W2 W3 50N 1 2 3 4 5 6 Sum1 Sum2 W1 W2 W3 50G 1 2 W2 W3 50BF W1 W2 W3 51 1 2 3 Sum1 Sum2 W1 W2 W3 51N 1 2 3 Sum1 Sum2 W1 W2 W3 51G W2 W3 87T 87H 87GD 1 2 W2 W3 ...

Страница 297: ... for 3 Winding Current Inputs INPUT TERMINAL IAW1 47 IAW1 46 IBW1 49 IBW1 48 ICW1 51 ICW1 50 IAW2 55 IAW2 54 IBW2 57 IBW2 56 ICW2 59 ICW2 58 IGW2 53 IGW2 52 INPUT TERMINAL IAW1 39 IAW1 38 IBW1 41 IBW1 40 ICW1 43 ICW1 42 IAW2 45 IAW2 44 IBW2 47 IBW2 46 ICW2 49 ICW2 48 IGW2 51 IGW2 50 IAW3 53 IAW3 52 IBW3 55 IBW3 54 ICW3 57 ICW3 56 IGW3 59 IGW3 58 ...

Страница 298: ...onnections for Two Voltage Inputs 3 Winding INPUT TERMINAL VØ 65 VØ 64 VG 71 VG 70 Table 6 9 Terminal Connections for Four Voltage Inputs 2 Winding INPUT TERMINAL VA 39 VA 38 VB 41 VB 40 VC 43 VC 42 VG 45 VG 44 Table 6 10 Terminal Connections for Four Voltage Inputs 3 Winding INPUT TERMINAL VA 65 VA 64 VB 67 VB 66 VC 69 VC 68 VG 71 VG 70 ...

Страница 299: ... Voltage source VØ Pickup 1 Reset Rate 0 06 s or 1 Voltage source V1 Voltage source VØ Pickup 1 Reset Rate 0 06 s or 1 27 Voltage source VØ Pickup 0 5 Volts Inhibit 0 5 Volts Time Delay 1 to 3 cycles or 1 Voltage source VPh Voltage source VØ Pickup 0 5 Volts Inhibit 0 5 Volts Time Delay 1 to 3 cycles or 1 59 Voltage source VØ Voltage source VPh V1 or V2 59G Voltage source VG Pickup 0 5 Volts or 0 ...

Страница 300: ...uld cause confusion of operation of outputs or timers The complete description of the method to disable enable functions and the method to enter setting quantities is found in detail in Section 4 4 System Setpoints It is desirable to record and confirm the actual settings of the individual functions before beginning test procedures Use the SETPOINTS AND SETTINGS RECORD FORM found in Appendix A to ...

Страница 301: ...he LEDs will extinguish 4 The unit will display POWER ON SELFTESTS PASS The model number BECKWITH ELECTRIC CO M 3311A where xx xx xx signifies the software revision BECKWITH ELECTRIC CO D 0179Vxx xx xx where xxx signifies the unit serial number BECKWITH ELECTRIC CO SERIAL NUMBER XXX The POWER LED will illuminate The RELAY OK LED will flash or remain illuminated as programmed in the Setup menu and ...

Страница 302: ...x 120 180 volts Pickup P setting divided by 100 times equals voltage level Nominal Voltage 5 Voltage Pickup Test a Apply voltage to input contacts at a level 10 lower than the pickup level calculated in Step 4 b Press and hold the TARGET RESET button in then slowly increase the voltage until the 24DT IT OVEREXCITATION LED illuminates or the pickup indicator operates on the computer target screen T...

Страница 303: ...mes equals voltage level Nominal Voltage 5 Test voltage levels may be at any percentage of Nominal Voltage that are a minimum of 5 higher than the selected pickup percentage P It is suggested that 4 or 5 test levels be chosen and voltage level and operating time be calculated for each from the table below 6 Timer Test With output contacts connected to the timer apply the calculated voltage from St...

Страница 304: ...in then slowly decrease the input phase voltage until the 27 PHASE UV LED illuminates or the pickup indicator operates on the computer target screen The level of operation will be P volts 0 5 V b Release the TARGET RESET button then increase the input to the Nominal Voltage The OUTPUT LED will extinguish c Press TARGET RESET button to remove targets 6 Undervoltage Inhibit Test Slowly decrease the ...

Страница 305: ... modification to C2 is to exchange Current Input 2 and 3 B current Input 3 and C current Input 2 Modification is for ABC phase rotation Use ABC connection for ACB phase rotation Set Voltages Nominal Voltage Configuration will be Phase B current from Source 3 and Phase C current from Source 2 NOTE For proper testing use IO 3 X CT rating 4 Pickup Test a Press and hold the TARGET RESET button in then...

Страница 306: ...er to Section 4 4 System Setpoints for procedures 2 Confirm settings to be tested 3 Connect inputs in Configuration V1 and C2 MODIFIED as designated previously Refer to Section 6 4 Input Configurations for configurations The modification to C2 is to exchange Current Input 2 and 3 B current input 3 and C current input 2 This modification is for ABC phase rotation Use ABC connection for ACB phase ro...

Страница 307: ...nt in multiples of pickup 5 Time Test With output contacts connected to the timer apply currents equal to the multiple of the Inverse Time Pickup P and start timing The operating time will be as calculated in Step 4 3 cycles or 5 Observe 46DT IT NEG SEQ O C 46 DT IT NEG SEQ O C LED for pickup 6 If further testing is desired check the proper functions to disable for the next test and continue from ...

Страница 308: ...urrent Ipreload pre load current Imax maximum allowed continuous overload current 2 Enter the Function 49 Thermal Overload settings to be tested utilizing either the HMI or IPScom Communications Software 3 Connect test current inputs as shown in Figure 6 13 Current Inputs Configuration C1 4 Calculate t time to trip in minutes for the desired test settings as follows Where t time to trip τ time con...

Страница 309: ...mps and start timing The time to trip should be t minutes 5 Time Test Preload 1 Connect a timer to output contacts Z so that the timer stops timing when the contacts Z close NOTE The 49 Thermal Overload 49 current value can be obtained utilizing either the HMI Status Cur rent Status or IPScom Communications Software Relay Monitor Secondary Status 2 Determine the 49 Thermal Overload 49 current valu...

Страница 310: ...nfig Setpoint NOTE Special attention must be taken as to which winding is being tested and which winding is disabled when changing setpoints 5 Pickup Test a Press and hold the TARGET RESET button in then slowly increase current input 3 C phase until the selected winding target LED illuminates or the pickup indicator operates on the computer target screen The current level of operation will be P Am...

Страница 311: ... increase the IG W2 current until the 50 50N 3 4 50GW2 INST OC LED illuminates or the pickup indicator operates on the computer target screen The level of operation will be P Amps 0 1 A 0 02 Amp 1 A CT or 3 b Release the TARGET RESET button then decrease the current The OUTPUT LED will extinguish c Press TARGET RESET button to remove targets This test may be repeated for each of the other phases 5...

Страница 312: ...nitude 4 Select W1 in Winding Config Setpoint 5 Pickup Test a Press and hold the TARGET RESET button in then slowly increase the phase current in all three phases until the selected winding target LED illuminates or the pickup indicator operates on the computer target screen The current level of operation will be P Amps 0 1 A 0 02 Amp 1A CT or 3 b Release the TARGET RESET button then decrease the ...

Страница 313: ...should be enabled the others should be disabled 3 Connect inputs in Configuration C1 designated previously to test breaker failure for Winding 1 Refer to Section 6 4 Input Configurations for configurations NOTE For proper testing use IO 3 X CT rating 4 Select an input for 50BF Input Initiate IN and enter the number 5 Place a jumper from Terminal 11 RTN to the selected input terminal IN on the rear...

Страница 314: ...hen decrease the current The OUTPUT LED will extinguish e Press TARGET RESET button to remove targets NOTE When calculating values for residual current functions the relay adds the three phase currents 3I0 IA IB IC The relay operates on I0 9 TimerTest With output contacts Z connected to the timer apply approximately 110 of above Pickup P Amps and start timing The operating time will be D cycles wi...

Страница 315: ...nction 87GD Disable 1 Disable functions as shown Refer to Section 4 4 System Setpoints for procedures 2 Confirm settings to be tested Only the winding being tested should be enabled the others should be disabled 3 Connect current inputs in Configuration C1 as designated previously See Section 6 4 Input Configurations for configurations 4 Select W1 in Winding Config Setpoint NOTE Special Attention ...

Страница 316: ...eat Steps 4 and 5 using Configurations C2 C3 and C4 Observe the selected winding target LED for pickup 9 If testing is complete enable any functions disabled for this test If further testing is desired check the proper functions to disable for the next test and continue from this configuration ...

Страница 317: ...ion C5 as designated previously See Section 6 4 Input Configurations for configurations 4 Refer to Appendix D Calculate test times for levels represented on the graphs It is suggested that 4 or 5 test levels be chosen t time in seconds TD Time Dial setting M current in multiples of pickup 5 Time Test With output contacts connected to the timer apply currents used in calculations from Step 4 and st...

Страница 318: ...0 Disable Function 50N Disable Function 50BF Disable Functions 51 87H T 87GD Disable 1 Disable functions as shown Refer to Section 4 4 System Setpoints for procedures 2 Confirm settings to be tested Only the winding being tested should be enabled the others should be disabled 3 Connect current inputs in Configuration C1 modified See Section 6 4 Input Configurations for configurations The modificat...

Страница 319: ...nt used in calculations from Step 4 and start timing while observing the selected winding target LED for pickup The operating time will be D cycles within 3 cycles or 5 of calculated time 6 Repeat Step 5 for each test level chosen The tested points verify the operation of this function 7 Repeat Steps 4 5 6 using Configuration C2 modified C3 modified and C4 modified Observe the selected winding tar...

Страница 320: ...ding version with two voltage inputs does not have phase overvoltage protection If you select negative sequence for the input voltage then apply a balanced three phase voltage and roll Phase B and C phase voltages 5 Pickup Test a Press and hold the TARGET RESET button then slowly increase the input voltage until PHASE OVERVOLTAGE 59 LED illuminates or the pickup indicator operates on the computer ...

Страница 321: ...d hold the TARGET RESET button then slowly increase the input voltage until NEUTRAL OVERVOLTAGE 59G LED illuminates or the pickup indicator operates on the computer target screen The level should be equal to P volts 0 5 V or 0 5 b Release the TARGET RESET button then decrease the input voltage The OUTPUT LED will extinguish c Press TARGET RESET button to remove targets 5 TimeTest With output contr...

Страница 322: ...d the TARGET RESET button in then slowly decrease the frequency of the input voltage until the FREQUENCY 81 O U LED illuminates or the pickup indicator operates on the computer target screen The level of operation will be equal to P Volts 0 1 Hz c Release the TARGET BUTTON then return to nominal input frequency The OUTPUT LED will extinguish d Press TARGET RESET button to remove targets e Set the ...

Страница 323: ...iguration C6 as designated previously Refer to Section 6 4 Input Configurations for configuration For testing purposes it is recommended that the CT Tap Corrections CT1 CT2 CT3 and CT4 be set to 1 0 If it is desired to test with other CT Tap settings the current values must be computed by using the following formulas IAW1 Applied IAW1 Calculated multiplied by CT1 IAW2 Applied IAW2 Calculated multi...

Страница 324: ...1 Wye Winding 2 Transformer c Release the TARGET RESET button then decrease the current The OUTPUT LED will extinguish d Press TARGET RESET button to remove targets This test may be repeated for testing the opposite winding or another phase 5 Timer Check With output contacts being connected to the timer apply at least 10 higher IAW2 Input 2 current than the minimum pickup level and start timing Th...

Страница 325: ...ect inputs in Configuration C6 as designated previously Refer to Section 6 4 Input Configurations for configuration For testing purposes it is recommended that the CT Tap Corrections CT1 CT2 CT3 and CT4 be set to 1 0 If it is desired to test with other CT Tap settings the current values must be computed by using the following formulas IAW1 Applied IAW1 Calculated multiplied by CT1 IAW2 Applied IAW...

Страница 326: ...lope in from above NOTE The differential current IAW1 IAW2 must be greater than the minimum pickup current P and less than the Break Point BP value for proper operation Monitor the restraint current using either the HMI or IPScom Secondary Metering and Status Screen Do not increase the magnitude of IAW2 such that the restraint current is less than BP c Set IAW1 Input 1 and IAW2 Input 2 at the chos...

Страница 327: ...d with the amplitude of IAW1 Input 1 at 60 Hz or 50 Hz set to 10 above P PU setting and verify the PHASE DIFFERENTIAL 87T H LED is illuminated b Apply 0 Amps at 240 Hz 200 Hz for 50 Hz units to IAW2 Input 2 c Press and hold the TARGET RESET button in then slowly increase the amplitude of the 4th Harmonic current IAW2 until the PHASE DIFFERENTIAL 87T H LED extinguishes This level will be E times P ...

Страница 328: ... c Release the TARGET RESET button then decrease the current The OUTPUT LED will extinguish d Press TARGET RESET button to remove targets 4 Directional Pickup Test a Connect one current input to IGW2 terminal numbers 50 and 51 Connect another current input to IAW2 Insert current into IGW2 with a magnitude equal to P Amps b Insert current into IAW2 that is 180 out of phase with IGW2 then slowly inc...

Страница 329: ...s to be tested Input Initiate or Output Initiate 2 Enter the Breaker Monitoring Function settings to be tested utilizing either the HMI or IPScom Communications Software 3 Connect current inputs to IA terminals 38 and 39 IB terminals 40 and 41 and IC terminals 42 and 43 Accumulator Test 1 Apply a current value that considers Timing Method and Pickup Setting to current input IA 2 Place a jumper bet...

Страница 330: ...or value place a jumper between the designated input or output contact selected as initiate and then remove the jumper Following the time out of the Delay the accumulator will increment repeat the placement and removal of the jumper as necessary to increment the accumulator to a point where the pickup setting is exceeded 3 When the accumulator value exceeds the pickup value the OUTPUT LED s will i...

Страница 331: ...er to output contacts Z so that the timer stops timing when the contacts Z close Pickup Test 1 Apply the applicable DC voltage 24 48 125 250 V dc marked on the rear of the relay to terminals Figures 5 8 through 5 28 to be tested on the relay 2 Enable the Trip Circuit Monitoring function and then enter the settings to be tested utilizing either the HMI or IPScom Communications Software 3 Remove the...

Страница 332: ... 5 Press the TARGET RESET button to clear any previous target indication 6 Apply a balanced 6 Amp current to the Winding 1 then verify that counters are now incrementing Approximately 46 seconds after the current was applied the Target LED will illuminate and the HMI will display the Through Fault information 7 Remove the applied current Pickup Operation Limit Test 1 Use the System Through Fault C...

Страница 333: ...ensure at least two outputs are chosen It will be necessary to enable and operate other functions to provide inputs for the Function Initiate and Output Initiate gates 4 PickupTest With output contact s Z connected to the timer apply inputs to gates and start timing The operating time will be D cycles within 1 cycle or 1 and the selected IPSlogic target LED and the OUTPUT LED will illuminate or th...

Страница 334: ...efinition of the parameters necessary for communication with the relay as well as access codes user logo identifying lines date time setting and front panel display operation The functional Configuration Record Form reproduces the Configure Relay menus including the Setup Relay submenu which is accessible via S 3300 IPScom Communication Software or the optional M 3931 HMI front panel module For ea...

Страница 335: ...50 2 3 4 5 6 7 8 50 BF W1 50 BF W2 50 BF W3 50 BF W4 1 2 50G W3 50G W3 50G W4 50G W4 50G W2 50G W2 1 2 1 50N 1 2 3 4 D 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 18 6 7 8 Not available in Four Winding applications Not available in Two or Three Winding applications NOTE The M 3311A is shipped with all functions disabled Table A 1 Relay Configuration page 1 of 2...

Страница 336: ... 51N 59G X 59 1 2 3 4 2 1 1 2 3 87H 87T 87GDW2 87GDW3 87GDW4 TF BM 81 IPS 1 2 3 4 1 2 3 4 1 2 3 4 5 6 3 1 2 3 4 TCM 1 2 CCM 1 2 Not available in Four Winding applications Not available in Two or Three Winding applications Not Available in Non Expanded I O units NOTE The M 3311A is shipped with all functions disabled Table A 1 Relay Configuration page 2 of 2 ...

Страница 337: ... 2 msec 3000 msecs 50 Protocol o BECO2200 o MODBUS o DNP3 Communication Address _____ 1 Response Time Delay _____ msec 100 Communication COMM Access Code __________ 9999 ETHERNET o Enable o Disable TCP IP Settings o TCP o PROT Protocol o MODBUS o SERCONV DHCP Protocol o Enable o Disable IP Address __________ 192 168 1 43 Net Mask __________ 255 255 255 0 Gateway __________ 192 168 1 1 NOTE As Ship...

Страница 338: ...o VCA VT G Config o VA o VB o VC o VAB o VBC o VCA o VG Four Voltage Inputs o Line Line o Line Ground Transformer CT Connection o Standard o Custom Standard Selections Transformer W1 Transformer W2 Transformer W3 o Y o Y o Y o Dab o Dab o Dab o Dac o Dac o Dac o Inverse Y o Inverse Y o Inverse Y o Inverse Dab o Inverse Dab o Inverse Dab o Inverse Dac o Inverse Dac o Inverse Dac CT W1 CT W2 CT W3 o...

Страница 339: ... o 9 o 9 o 9 o 10 o 10 o 10 o 11Dab o 11Dab o 11Dab CT W1 CT W2 CT W3 o 1 Y o 1 Y o 1 Y o 2 o 2 o 2 o 3 o 3 o 3 o 4 o 4 o 4 o 5 o 5 o 5 o 6 Inverse Y o 6 Inverse Y o 6 Inverse Y o 7 o 7 o 7 o 8 o 8 o 8 o 9 o 9 o 9 o 10 o 10 o 10 o 11 o 11 o 11 o 12 o 12 o 12 o 13 Dac o 13 Dac o 13 Dac o 14 o 14 o 14 o 15 o 15 o 15 o 16 o 16 o 16 o 17 Inverse Dab o 17 Inverse Dab o 17 Inverse Dab o 18 o 18 o 18 o 1...

Страница 340: ...o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Relay Seal in Time Output 1 _____ 2 8160 Cycles 30 Output 9 _____ 2 8160 Cycles 30 Output 2 _____ 2 8160 Cycles 30 Output 10 _____ 2 8160 Cycles 30 Output 3 _____ 2 8160 Cycles 30 Output 11 _____ 2 8160 Cycles 30 Output 4 _____ 2 8160 Cycles 30 Output 12 _____ 2 8160 Cycles 30 Output 5 _____ 2 8160 Cycles 30 Output 13 _____ 2 8160 Cycles 30 Output...

Страница 341: ...er CT Connection o Standard o Custom Standard Selections Transformer W1 Transformer W2 Transformer W3 Transformer W4 o Y o Y o Y o Y o Dab o Dab o Dab o Dab o Dac o Dac o Dac o Dac o Inverse Y o Inverse Y o Inverse Y o Inverse Y o Inverse Dab o Inverse Dab o Inverse Dab o Inverse Dab o Inverse Dac o Inverse Dac o Inverse Dac o Inverse Dac CT W1 CT W2 CT W3 CT W4 o Y o Y o Y o Y o Dab o Dab o Dab o...

Страница 342: ...verse Y o 6 Inverse Y o 6 Inverse Y o 6 Inverse Y o 7 o 7 o 7 o 7 o 8 o 8 o 8 o 8 o 9 o 9 o 9 o 9 o 10 o 10 o 10 o 10 o 11 o 11 o 11 o 11 o 12 o 12 o 12 o 12 o 13 Dac o 13 Dac o 13 Dac o 13 Dac o 14 o 14 o 14 o 14 o 15 o 15 o 15 o 15 o 16 o 16 o 16 o 16 o 17 Inverse Dab o 17 Inverse Dab o 17 Inverse Dab o 17 Inverse Dab o 18 o 18 o 18 o 18 o 19 Inverse Dac o 19 Inverse Dac o 19 Inverse Dac o 19 In...

Страница 343: ...ime Output 1 _____ 2 8160 Cycles 30 Output 9 _____ 2 8160 Cycles 30 Output 2 _____ 2 8160 Cycles 30 Output 10 _____ 2 8160 Cycles 30 Output 3 _____ 2 8160 Cycles 30 Output 11 _____ 2 8160 Cycles 30 Output 4 _____ 2 8160 Cycles 30 Output 12 _____ 2 8160 Cycles 30 Output 5 _____ 2 8160 Cycles 30 Output 13 _____ 2 8160 Cycles 30 Output 6 _____ 2 8160 Cycles 30 Output 14 _____ 2 8160 Cycles 30 Output ...

Страница 344: ...0 Time Delay _____ 30 8160 Cycles I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 Inverse Time o Disable o Enable Pickup _____ 100 150 Time Dial _____ 1 100 Reset Rate _____ 1 999 Sec Inverse Time Curves o 1 o 2 o 3 o 4 I O Selection Outputs o 1 o 2 o 3 o 4 ...

Страница 345: ..._ 5 140 V Time Delay _____ 1 8160 Cycles Inhibit _____ 5 140 V o Disable o Enable I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 27 3 o Disable o Enable Not available in Four Winding applications Pickup _____ 5 140 V Time Delay _____ 1 8160 Cycles Inhibit _...

Страница 346: ...rves o BECO Definite Time o BECO Inverse o BECO Very Inverse o BECO Extremely Inverse o IEC Inverse o IEC Very Inverse o IEC Extremely Inverse o IEC Long Time Inverse o IEEE Moderately Inverse o IEEE Very Inverse o IEEE Extremely Inverse I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o ...

Страница 347: ...erse o IEC Long Time Inverse o IEEE Moderately Inverse o IEEE Very Inverse o IEEE Extremely Inverse I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 46 W4 Not available in Two or Three Winding applications Definite Time o Disable o Enable Pickup _____ 0 10 20...

Страница 348: ...ly Inverse I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 49 Winding Thermal Protection o Disable o Enable Time Constant _____ 1 0 999 9 min Max Overload Current _____ 1 00 10 00 A Current Selection o Summing 1 o Summing 2 o Winding 1 o Winding 2 o Winding ...

Страница 349: ...o 18 50 2 o Disable o Enable Pickup _____ 1 0 100 0 A Time Delay _____ 1 8160 Cycles Current Selection o Summing 1 o Summing 2 o Winding 1 o Winding 2 o Winding 3 I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 50 3 o Disable o Enable Pickup _____ 1 0 100 0 ...

Страница 350: ...e Delay _____ 1 8160 Cycles Current Selection o Summing 1 o Summing 2 o Winding 1 o Winding 2 o Winding 3 I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 50 6 o Disable o Enable Pickup _____ 1 0 100 0 A Time Delay _____ 1 8160 Cycles Current Selection o Summ...

Страница 351: ...0 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 50 8 o Disable o Enable Not available in Two or Three Winding applications Pickup _____ 1 0 100 0 A Time Delay _____ 1 8160 Cycles Current Selection o Summing 1 o Summing 2 o Winding 1 o Winding 2 o Winding 3 o Winding 4 I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 ...

Страница 352: ...50N 2 o Disable o Enable Pickup _____ 1 0 100 0 A Time Delay _____ 1 8160 Cycles Current Selection o Summing 1 o Summing 2 o Winding 1 o Winding 2 o Winding 3 I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 50N 3 o Disable o Enable Pickup _____ 1 0 100 0 A T...

Страница 353: ...0 0 A Time Delay _____ 1 8160 Cycles Current Selection o Summing 1 o Summing 2 o Winding 1 o Winding 2 o Winding 3 I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 50N 6 o Disable o Enable Pickup _____ 1 0 100 0 A Time Delay _____ 1 8160 Cycles Current Select...

Страница 354: ... o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 50N 8 o Disable o Enable Not available in Two or Three Winding applications Pickup _____ 1 0 100 0 A Time Delay _____ 1 8160 Cycles Current Selection o Summing 1 o Summing 2 o Winding 1 o Winding 2 o Winding 3 o Winding 4 I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o...

Страница 355: ... 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 50G W3 1 o Disable o Enable Pickup _____ 1 0 100 0 A Time Delay _____ 1 8160 Cycles I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 ...

Страница 356: ...o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 50G W4 2 o Disable o Enable Not available in Two or Three Winding applications Pickup _____ 1 0 100 0 A Time Delay _____ 1 8160 Cycles I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o ...

Страница 357: ...7 o 18 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 50BF Breaker Failure Cont d 50BF W2 o Disable o Enable Phase Pickup _____ 0 10 10 00 A Residual Pickup _____ 0 10 10 00 A Time Delay _____ 1 8160 Cycles I O Selection Output Initiate o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o ...

Страница 358: ...2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 50BF W4 o Disable o Enable Not available in Two or Three Winding applications Phase Pickup _____ 0 10 10 00 A Residual Pickup _____ 0 10 10 00 A Time Delay _____ 1 8160 Cycles I O Selection Output Initiate o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10...

Страница 359: ...1 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 51 2 o Disable o Enable Pickup _____ 0 50 12 00 A Time Dial _____ 0 5 11 0 Current Selection o Summing 1 o Summing 2 o Winding 1 o Winding 2 o Winding 3 o Winding 4 Inverse Time Curves o BECO Definite Time o BECO Inverse o BECO Very Inverse o BECO Extremely Inverse o IEC Inve...

Страница 360: ...ocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 51 4 o Disable o Enable Not available in Two or Three Winding applications Pickup _____ 0 50 12 00 A Time Dial _____ 0 5 11 0 Current Selection o Summing 1 o Summing 2 o Winding 1 o Winding 2 o Winding 3 o Winding 4 Inverse Time Curves o BECO Definite Time o BECO Inverse o BECO Very Inverse o BECO Extrem...

Страница 361: ... 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 51N 2 o Disable o Enable Pickup _____ 0 50 6 00 A Time Dial _____ 0 5 11 0 Current Selection o Summing 1 o Summing 2 o Winding 1 o Winding 2 o Winding 3 o Winding 4 Inverse Time Curves o BECO Definite Time o BECO Inverse o BECO Very Inverse o BECO Extremely Inverse o IEC In...

Страница 362: ...Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 51N 4 o Disable o Enable Not available in Two or Three Winding applications Pickup _____ 0 50 6 00 A Time Dial _____ 0 5 11 0 Current Selection o Summing 1 o Summing 2 o Winding 1 o Winding 2 o Winding 3 o Winding 4 Inverse Time Curves o BECO Definite Time o BECO Inverse o BECO Very Inverse o BECO Extr...

Страница 363: ...11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 51G W3 o Disable o Enable Pickup _____ 0 50 12 00 A Time Dial _____ 0 5 11 0 Inverse Time Curves o BECO Definite Time o BECO Inverse o BECO Very Inverse o BECO Extremely Inverse o IEC Inverse o IEC Very Inverse o IEC Extremely Inverse o IEC Long Time Inverse o IEEE Moderatel...

Страница 364: ...Time o BECO Inverse o BECO Very Inverse o BECO Extremely Inverse o IEC Inverse o IEC Very Inverse o IEC Extremely Inverse o IEC Long Time Inverse o IEEE Moderately Inverse o IEEE Very Inverse o IEEE Extremely Inverse I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 1...

Страница 365: ...Pickup _____ 5 180 V Time Delay _____ 1 8160 Cycles Input Voltage Select o Phase o Positive Sequence o Negative Sequence I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 59 3 o Disable o Enable Pickup _____ 5 180 V Time Delay _____ 1 8160 Cycles Input Voltage...

Страница 366: ...9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 59G 2 o Disable o Enable Pickup _____ 5 180 V Time Delay _____ 1 8160 Cycles I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18...

Страница 367: ... Time Delay _____ 1 8160 Cycles I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 59G 3 o Disable o Enable Pickup _____ 5 180 V Time Delay _____ 1 8160 Cycles I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking...

Страница 368: ...o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 81 3 o Disable o Enable Pickup _____ 55 00 65 00 Hz Time Delay _____ 2 65500 Cycles I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 81 4 o Disable...

Страница 369: ...o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 87H o Disable o Enable Pickup _____ 5 0 20 0 PU Time Delay _____ 1 8160 Cycles I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o...

Страница 370: ...11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 87GD W2 2 o Disable o Enable Pickup _____ 0 20 10 0 A Time Delay _____ 1 8160 Cycles I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 87GD W2 Settings 3IO Current Selection o Summing 1 o Summing 2 o Winding 2 Directional ...

Страница 371: ... 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 87GD W3 2 o Disable o Enable Pickup _____ 0 20 10 0 A Time Delay _____ 1 8160 Cycles I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 87GD W3 Settings 3IO Current Selection o Summing 1 o Summing 2 o Winding 3 Di...

Страница 372: ... o 16 o 17 o 18 87GD W4 2 o Disable o Enable Not available in Two or Three Winding applications Pickup _____ 0 20 10 0 A Time Delay _____ 1 8160 Cycles I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 87GD W4 Settings Not available in Two or Three Winding app...

Страница 373: ...W3 2 o TF o TCM o IPSlogic 2 o IPSlogic 3 o IPSlogic 4 o IPSlogic 5 o IPSlogic 6 o BM W1 o BM W2 o BM W3 Initiating 87H T Phase Logic Gate o OR o AND Initiating 87H T Phase Logic Gate o o NOT Initiating Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 Initiating Inputs Logic Gate o OR o AND Initiate via Communication Point o Blocking Inputs o 1 o 2 o 3 o 4 o ...

Страница 374: ...TF o TCM o IPSlogic 1 o IPSlogic 3 o IPSlogic 4 o IPSlogic 5 o IPSlogic 6 o BM W1 o BM W2 o BM W3 Initiating 87H T Phase Logic Gate o OR o AND Initiating 87H T Phase Logic Gate o o NOT Initiating Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 Initiating Inputs Logic Gate o OR o AND Initiate via Communication Point o Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o...

Страница 375: ...W3 2 o TF o TCM o IPSlogic 1 o IPSlogic 2 o IPSlogic 4 o IPSlogic 5 o IPSlogic 6 o BM W1 o BM W2 o BM W3 Initiating 87H T Phase Logic Gate o OR o AND Initiating 87H T Phase Logic Gate o o NOT Initiating Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 Initiating Inputs Logic Gate o OR o AND Initiate via Communication Point o Blocking Inputs o 1 o 2 o 3 o 4 o ...

Страница 376: ...TF o TCM o IPSlogic 1 o IPSlogic 2 o IPSlogic 3 o IPSlogic 5 o IPSlogic 6 o BM W1 o BM W2 o BM W3 Initiating 87H T Phase Logic Gate o OR o AND Initiating 87H T Phase Logic Gate o o NOT Initiating Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 Initiating Inputs Logic Gate o OR o AND Initiate via Communication Point o Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o...

Страница 377: ...W3 2 o TF o TCM o IPSlogic 1 o IPSlogic 2 o IPSlogic 3 o IPSlogic 4 o IPSlogic 6 o BM W1 o BM W2 o BM W3 Initiating 87H T Phase Logic Gate o OR o AND Initiating 87H T Phase Logic Gate o o NOT Initiating Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 Initiating Inputs Logic Gate o OR o AND Initiate via Communication Point o Blocking Inputs o 1 o 2 o 3 o 4 o ...

Страница 378: ... 87T o 87GD W2 1 o 87GD W2 2 o 87GD W3 1 o 87GD W3 2 o TF o TCM o IPSlogic 1 o IPSlogic 2 o IPSlogic 3 o IPSlogic 4 o IPSlogic 5 o BM W1 o BM W2 o BM W3 Initiating 87H T Phase Logic Gate o OR o AND Initiating 87H T Phase Logic Gate o o NOT Initiating Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 Initiating Inputs Logic Gate o OR o AND Initiate via Communic...

Страница 379: ...o 15 o 16 o 17 o 18 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 BM W2 o Disable o Enable Pickup _____ 1 50000 kA Cycles Time Delay _____ 0 1 4095 9 Cycles Timing Method Selection o IT o I 2T Preset Accumulator Phase A _____ 0 50000 kA Cycles Preset Accumulator Phase B _____ 0 50000 kA Cycles Preset Accumulator Phase C _____ 0 50000 kA Cycles I O...

Страница 380: ...Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 BM W4 o Disable o Enable Not available in Two or Three Winding applications Pickup _____ 1 50000 kA Cycles Time Delay _____ 0 1 4095 9 Cycles Timing Method Selection o IT o I 2T Preset Accumulator Phase A _____ 0 50000 kA Cycles Preset Accumulator Phase B _____ 0 50000 kA Cycles Preset Accumulator Phase C _____...

Страница 381: ... 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 CCM 1 Close Circuit Monitor o Disable o Enable Delay _____ 1 8160 Cycles Dropout Time Delay _____ 1 8160 Cycles I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o ...

Страница 382: ... _____ 1 1000000 kA 2 Cycles Current Selection o Summing 1 o Summing 2 o Winding 1 o Winding 2 o Winding 3 Inrush Block by Even Harmonics o Disable o Enable Preset Cumulative I 2T _____ 0 1000000 kA 2 Cycles I O Selection Outputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 Blocking Inputs o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 o 11 o 12 o 13 o 14 o 15 o 16 o 17 o 18 Fi...

Страница 383: ...A 50 M 3311A Instruction Book This Page Left Intentionally Blank ...

Страница 384: ...BUS protocol use 1 MODBUS protocol is not supported on COM1 2 Parity is supported on COM2 and COM3 only valid selections are 8 N 1 8 O 1 8 E 1 8 N 2 8 O 2 8 E 2 3 ASCII mode is not supported RTU only 4 Standard baud rates from 300 to 9600 are supported B Appendix Communications 5 Only the following MODBUS commands are supported a Read holding register function 03 b Read input register function 04 ...

Страница 385: ...oints in the M 3311A relay are of static type meaning that an integrity poll will dump all data to the querying RTU Communication Ports The relay has both front and rear panel RS 232 ports and a rear RS 485 port The front and rear panel RS 232 ports are 9 pin DB9S connector configured as DTE Data Terminal Equipment per the EIA 232D standard Signals are defined inTable B 1 Communication Port Signal...

Страница 386: ...Send Pin 7 Pin 7 CB CTS Clear to Send Pin 8 CD DTR Data Terminal Ready Pin 4 Pin 4 CF DCD Data Carrier Detect Pin 1 AB GND Signal Ground Pin 5 Pin 5 15 V Pin 1 15 V Pin 9 IRIG B Pin 6 OPTIONAL See Section 5 5 Circuit Board Switches and Jumpers 15 V 15 100 mA Max Table B 1 Communication Port Signals Figure B 1 Null Modem Cable for M 3311A ...

Страница 387: ... OFF DCE DTE REP OFF RS 232 RS 232 Slave 1 Address 1 Slave 2 Address 2 Slave 3 Address 3 PC Master 25 pin or 9 25 pin Straight through Cable DYMEC Fiber Optic Link Repeater Fiber Optic Cable 9 25 pin Straight through Cables IPScom running in Echo Cancel mode Figure B 2 RS 232 Fiber Optic Network ...

Страница 388: ... between units all units should be mounted in the same rack If this is not possible fiber optics with the appropriate converters should be used for isolation NOTE Each address on the network must be unique Only the last physical slave on the network should have the termination resistor installed This may be completed externally or using a dip jumper internal to the unit See Section 5 5 Circuit Boa...

Страница 389: ...M 3311A Instruction Book B 6 This Page Left Intentionally Blank ...

Страница 390: ...f battery backed RAM 9 DMA checksum physical block fail 10 Oscillograph Memory Test Fail 11 DSP external program RAM fail 12 DSP A D convert fail 13 DSP ground channel fail 14 DSP reference channel fail 15 DSP PGA gain fail 16 DSP DSP Host interrupt 1 fail 17 DSP DSP Host interrupt 2 set fail 18 DSP DSP Host interrupt 2 reset fail 19 DSP program load fail 20 DSP no running run mode code 21 DSP not...

Страница 391: ...ail 31 Unrecognized INT1 code 32 Values update watchdog fail 34 Restart Error 35 Interrupt Error 36 Trap Error 37 Calibration running check fail 38 Ethernet Board Not Running WARNING 40 Interrupt noise INT2 44 Oscillograph buffer overflow 45 Oscillograph buffer underflow 46 Failure of DSP to calculate calibration phasors 50 Stack overflow 51 Setpoint write overflow Table C 1 Self Test Error Codes ...

Страница 392: ...s D 1 through D 4 the second set is for the M 3311A functions which utilize the IEC time over current curves Figures D 5 through D 12 and the third set is for those functions that utilize the IEEE Inverse Time Overcurrent Curves Figures D 13 through D 15 Note Figures D 1 through D 4 areVolts per Hertz curves Figures D 5 through D 12 are inverse time curves for 51 51N 51G and 46 functions ...

Страница 393: ...D 2 M 3311A Instruction Book Figure D 1 Volts Hz 24IT Inverse Curve Family 1 Inverse Square ...

Страница 394: ...Inverse Time Curves Appendix D D 3 Figure D 2 Volts Hz 24IT Inverse Family Curve 2 ...

Страница 395: ...D 4 M 3311A Instruction Book Figure D 3 Volts Hz 24IT Inverse Time Curve Family 3 ...

Страница 396: ...Inverse Time Curves Appendix D D 5 Figure D 4 Volts Hz 24IT Inverse Curve Family 4 ...

Страница 397: ... 1 92006 2 05 0 39721 2 03139 1 37723 1 78994 2 10 0 38606 1 91348 1 29093 1 67278 2 15 0 37648 1 80519 1 21249 1 56686 2 20 0 36554 1 72257 1 12812 1 47820 2 30 0 35293 1 54094 1 01626 1 32268 2 40 0 34115 1 39104 0 92207 1 19250 2 50 0 33018 1 26561 0 84190 1 08221 2 60 0 31999 1 15945 0 77301 0 98780 2 70 0 31057 1 06871 0 71334 0 90626 2 80 0 30189 0 99049 0 66127 0 83527 2 90 0 29392 0 92258 ...

Страница 398: ...253 0 16479 0 12003 8 00 0 21510 0 26734 0 16209 0 11555 8 20 0 21403 0 26251 0 15961 0 11144 8 40 0 21300 0 25803 0 15736 0 10768 8 60 0 21203 0 25388 0 15534 0 10422 8 80 0 21111 0 25007 0 15354 0 10105 9 00 0 21025 0 24660 0 15197 0 09814 9 50 0 20813 0 23935 0 14770 0 09070 10 00 0 20740 0 23422 0 14473 0 08474 10 50 0 20667 0 22923 0 14180 0 07943 11 00 0 20594 0 22442 0 13894 0 07469 11 50 0...

Страница 399: ...D 8 M 3311A Instruction Book Figure D 5 Definite Time Overcurrent Curve ...

Страница 400: ...Inverse Time Curves Appendix D D 9 Figure D 6 Inverse Time Overcurrent Curve ...

Страница 401: ...D 10 M 3311A Instruction Book Figure D 7 Very Inverse Time Overcurrent Curve ...

Страница 402: ...Inverse Time Curves Appendix D D 11 Figure D 8 Extremely Inverse Time Overcurrent Curve ...

Страница 403: ...gure D 9 IEC Curve 1 Inverse 0 01 0 1 1 10 100 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Multiple of Pickup Time in Seconds 1 1 1 0 9 0 8 0 6 0 4 0 2 05 Curve 5 Curve 6 IEC Class A Standard Inverse IEC Class B Very Inverse E ...

Страница 404: ... 2 Very Inverse 0 01 0 1 1 10 100 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Multiple of Pickup Time in Seconds 1 1 1 0 9 0 8 0 6 0 4 0 2 05 K Curve 5 Curve 6 Curve 7 IEC Class A Standard Inverse IEC Class B Very Inverse IEC Class C Extremely Inverse ...

Страница 405: ...emely Inverse 0 01 0 1 1 10 100 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Multiple of Pickup Time in Seconds 1 1 1 0 9 0 8 0 6 0 4 0 2 05 K Curve 6 Curve 7 Curve 8 e IEC Class B Very Inverse IEC Class C Extremely Inverse IEC Class D Long Time Inverse ...

Страница 406: ...e D 12 IEC Curve 4 Long Time Inverse 0 1 1 10 100 1000 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Multiple of Pickup Seconds 1 1 1 0 9 0 8 0 6 0 4 0 2 K 05 Curve 7 Curve 8 B e IEC Class C Extremely Inverse IEC Class D Long Time Inverse ...

Страница 407: ... M 3311A Instruction Book Figure D 13 IEEE Moderately Inverse Time Overcurrent Curves 0 01 0 1 1 10 100 1 10 100 Current in Multiples of Pickup Time in Seconds 15 12 10 8 6 5 4 3 2 0 5 0 5 5 5 10 15 2 1 3 4 ...

Страница 408: ...Inverse Time Curves Appendix D D 17 Figure D 14 IEEE Very Inverse Time Overcurrent Curves 0 01 0 1 1 10 100 1 10 100 Current in Multiples of Pickup Time in Seconds 15 12 10 8 6 5 4 3 2 1 0 5 0 5 5 8 2 6 ...

Страница 409: ...D 18 M 3311A Instruction Book Figure D 15 IEEE Extremely Inverse Time Overcurrent Curves 0 01 0 1 1 10 100 1 10 100 Multiple of Pickup Time in Seconds 15 12 10 8 6 1 4 3 2 0 5 5 5 5 8 10 12 15 2 1 ...

Страница 410: ...ER module is the M 3311A real time clock and also provides power to the unit s nonvolatile memory when power is not applied to the unit EAppendix Layup and Storage Layup of the M 3311A requires verifying that the system clock is stopped The steps necessary to verify system clock status are as follows CAUTION Do not use the diagnostic mode in relays that are installed in an active protection scheme...

Страница 411: ...erminals on the rear of the unit 3 Apply power to the unit consistent with the rating determined in Step 2 see Section 5 3 External Connections The unit will enter the selftest mode 4 Install S 3300 IPScom Communications Software see Section 5 6 IPScom Communications and Analysis Software Installation on a PC that includes the following Microsoft WindowsTM 98 Operating System or above Equipped wit...

Страница 412: ...S Logic Menu Flow F 7 Figure F 6 Breaker Monitoring Through Fault Monitoring and Trip Circuit Monitoring Menu Flow F 8 Figure F 7 Configure Relay Voltage Relay Menu Flow F 9 Figure F 8 2 3 Winding Setup System Menu Flow F 12 Figure F 9 4 Winding Setup System Menu Flow F 15 Figure F 10 Relay Status Menu Flow F 18 Figure F 11 Relay Demand Menu Flow F 20 Figure F 12 View Target History and Oscillogra...

Страница 413: ...displays D The Right Left arrows are used only to make horizontally displayed choices These can be either menu choices or input value digit choices The previous choice or location in a menu is highlighted immediately E The ENTER pushbutton records the setting change whatever is in that screen when ENTER is pressed will be installed in memory and moves down within a menu The operator will notice th...

Страница 414: ... Control Number User Logo Line 1 User Logo Line 2 Clear Output Counters Clear Alarm Counter Date Time Clear Error Codes Diagnostic Mode VIEW TARGET HISTORY TARGETS osc_rec comm View Target History Clear Target History OSCILLOGRAPH RECORDER targets OSC_REC comm View Record Status Clear Records Recorder Setup 2 3 Winding 27 Phase Undervoltage 59 Phase Overvoltage 59G Ground Overvoltage STATUS config...

Страница 415: ... DISABLE enable 27 1 DELAY 30 Cycles 59 PHASE OVERVOLTAGE PHASE_OVER vg_over 59 1 PICKUP 13 Volts 59 1 DELAY 30 Cycles 27 2 and 3 same as above 59 1 INPUT VOLTAGE SEL PHASE_VOLT pos_seq_volt 59 Phase Volt 2 and 3 same as above 59G GOUND OVERVOLTAGE phase_over VG_OVER 59G 1 PICKUP 20 Volts 59G 1 DELAY 30 Cycles 59 1 PICKUP 13 Volts 59 1 DELAY 30 Cycles 59 1 INPUT VOLTAGE SEL phase_volt POS_SEQ_VOLT...

Страница 416: ...3 and Winding 4 same as above 50 2 through 50 8 same as above 51 INV TIME OVERCURRENT INV g_inst g_inv 51 1 PICKUP 1 0 Amps 51 1 TIME DIAL 5 0 51 1 CURVE DEF inv vinv einv ieci iecvi iecei ieclti ieeemi ieeevi ieeei 51 2 through 51 4 same as above 51 1 CURRENT SELECT sum1 sum2 W1 w2 w3 w4 50G INST GND OVERCURRENT inv G_INST g_inv 50GW2 1 PICKUP 1 0 Amps 50GW2 2 PICKUP 1 0 Amps 5OGW3 through 5OGW4 ...

Страница 417: ...R FAILURE g_diff BRK_FAIL 50BFW1 PICKUP RESIDUAL 1 00 Amps 50BFW1 INPUT INITIATE i6 i5 i4 i3 i2 I1 5OBFW2 through 5OBFW4 same as above 50BFW1 OUTPUT INITIATE o8 o7 o6 o5 o4 o3 o2 o1 50BFW1 PICKUP PHASE 1 00 Amps 50N 1 PICKUP 1 0 Amps 50 1 DELAY 30 Cycles 50N 1 CURRENT SELECT sum1 sum2 W1 w2 w3 w4 50N 2 through 50N 8 same as above 51N 1 PICKUP 1 0 Amps 51N 1 TIME DIAL 5 0 51N 1 CURVE DEF inv vinv e...

Страница 418: ...ERTZ RELAY W volt curr freq V HZ V 24 INV TIME VOLTS HERTZ def_v hz INV_V HZ 24IT PICKUP 105 24IT CURVE CRV 1 crv 2 crv 3 crv 4 24IT TIME DIAL 9 24IT RESET RATE 200 Seconds 24DT 2 PICKUP 360 Cycles IPS LOGIC IPS IPS 1 INPUT INITIATE i6 i5 i4 i3 i2 i1 IPS 1 OUTPUT INITIATE o8 o7 o6 o5 o4 o3 o2 o1 IPS LOGIC W IPS brkr thflt tcm V IPS 2 through IPS 6 same as above IPS 1 DELAY 30 Cycles 2 3 4 Winding ...

Страница 419: ...1 BRKR ACCUMULATOR ACCUMULATOR CLEARED BRKRW1 DELAY 10 0 Cycles BRKRW1 TIMING METHOD IT i2t 2 3 4 Winding THFLT CUM I 2T LIMIT 100 kA 2 cycles THFLT PU OPERATIONS LIM 5 Records THROUGH FAULT W ips brkr THFLT tcm V THFLT CURRENT SELECT sum1 SUM2 w1 w2 w3 w4 THFLT INRUSH INHIBIT DISABLE enable THFLT DELAY 30 Cycles THFLT CURRENT THRESHOLD 10 0 Amps TRIP CIRCUIT MONITORING W ips brkr thflt TCM V TCM ...

Страница 420: ... o6 o5 o4 o3 o2 O1 59G 2 BLOCK INPUT i6 i5 i4 i3 i2 I 1 2 3 Winding 27 1 PHASE UNDERVOLTAGE DISABLE enable 27 1 BLOCK INPUT i6 i5 i4 i3 i2 I 1 27 1 RELAY OUTPUT o8 o7 o6 o5 o4 o3 o2 O1 27 2 and 3 same as above 4 Winding 59 1 PHASE OVERVOLTAGE DISABLE enable 59 1 BLOCK INPUT i6 i5 i4 i3 i2 I 1 59 1 RELAY OUTPUT o8 o7 o6 o5 o4 o3 o2 O1 59 2 and 3 same as above 59G 1 VG OVERVOLTAGE DISABLE enable 59G...

Страница 421: ...7 o6 o5 o4 o3 o2 O1 50GW2 1 BLOCK INPUT i6 i5 i4 i3 i2 I 1 50GW2 2 RELAY OUTPUT o8 o7 o6 o5 o4 o3 o2 O1 50GW2 2 INST GROUND O C DISABLE enable 50GW2 2 BLOCK INPUT i6 i5 i4 i3 i2 I 1 51GW2 INV TIME GND O C DISABLE enable 51GW2 BLOCK INPUT i6 i5 i4 i3 i2 I1 51GW2 RELAY OUTPUT o8 o7 o6 o5 o4 o3 o2 O1 50N 1 INST RESID O C DISABLE enable 50N 1 BLOCK INPUT i6 i5 i4 i3 i2 I1 50N 1 RELAY OUTPUT o8 o7 o6 o...

Страница 422: ... o4 o3 o2 O1 81 1 FREQUENCY DISABLE enable 81 2 through 81 4 same as above CONFIGURE RELAY IPS_LOGIC IPS 1 IPS LOGIC DISABLE enable IPS 1 BLOCK INPUT i6 i5 i4 i3 i2 I 1 IPS 1 RELAY OUTPUT o8 o7 o6 o5 o4 o3 o2 O1 IPS 2 through IPS 6 same as above CONFIGURE RELAY BREAKER_MONITOR BRKRW1 BREAKER MONITOR DISABLE enable BRKRW1 BLOCK INPUT i6 i5 i4 i3 i2 I 1 BRKRW1 RELAY OUTPUT o8 o7 o6 o5 o4 o3 o2 O1 CO...

Страница 423: ...ROFILE_1 COPY ACTIVE PROFILE TO_PROFILE_2 COPY ACTIVE PROFILE TO_PROFILE_3 COPY ACTIVE PROFILE TO_PROFILE_4 COPY ACTIVE PROFILE WAIT 2 3 Winding NUMBER OF F87 WINDINGS in ap cpy NUM_OF_WIND NUMBER OF F87 WINDINGS TWO three WINDING SUMMING SUM conn phase seal in W1 INCLUDE IN WIN SUM 1 no YES W2 and W3 SUM 1 same as above W1 INCLUDE IN WIN SUM 2 no YES W2 and W3 SUM 2 same as above To XFM CT CONNEC...

Страница 424: ...revious W1 XFM PHASE COMP TYPE 0 W2 through W3 same as previous W1 CT PH MAG COMP TYPE 0 W2 through W3 same as previous W1 ZERO SEQ COMP DISABLE enable PHASE ROTATION sum conn PHASE seal in PHASE ROTATION a c b A B C RELAY SEAL IN TIME conn phase SEAL in OUT2 through OUT8 same as above RELAY SEAL IN TIME OUT01 30 Cycles FROM WINDING SUMMING ACTIVE INPUT STATE sum conn phase seal IN ACTIVE INPUT OP...

Страница 425: ...vta vtg volt curr VT V T CONFIGURATION LINE_TO_LINE line_to_gnd POWER WINDING PRW v_opt vg_opt POWER WINDING PR_W1 pr_w2 pr_w3 PHASE VOLTAGE OPTION prw V_OPT vg_opt PHASE VOLTAGE OPTION VA vb vc vab vbc vca VG VOLTAGE OPTION prw v_opt VG_OPT VG VOLTAGE OPTION va VB vc vab vbc vca vg W2 C T GROUND RATIO ct_w1 ct_w2 CT_W2G W2 C T GROUND RATIO 10 1 W3 C T RATIO CT_W3 ct_w3g W3 C T RATIO 10 1 W3 C T G...

Страница 426: ...NAL VOLTAGE 120 Volts V T CONFIGURATION in ap cpy volt VT V T CONFIGURATION vab vbc vca VA vb vc NUMBER OF WINDINGS NUM_OF_WINDINGS sum NUMBER OF WINDINGS three FOUR ACTIVE SETPOINT PROFILE 1 COPY ACTIVE PROFILE TO_PROFILE_1 COPY ACTIVE PROFILE TO_PROFILE_2 COPY ACTIVE PROFILE TO_PROFILE_3 COPY ACTIVE PROFILE TO_PROFILE_4 COPY ACTIVE PROFILE WAIT 4 Winding ENABLE same as above TO WINDING SUMMING F...

Страница 427: ...us W1 XFM PHASE COMP TYPE 0 W2 through W4 same as previous W1 CT PH MAG COMP TYPE 0 W2 through W4 same as previous W1 ZERO SEQ COMP DISABLE enable PHASE ROTATION conn PHASE seal in PHASE ROTATION a c b A B C RELAY SEAL IN TIME conn phase SEAL in OUT2 through OUT8 same as above RELAY SEAL IN TIME OUT01 30 Cycles Cont d WINDING SUMMING W num_of_windings_SUM W1 INCLUDE IN WIN SUM 1 no YES W2 through ...

Страница 428: ...vtg CT_W1 ct_w2 W1 C T RATIO 10 1 W2 C T RATIO vtx vtg ct_w1 CT_W2 W2 C T RATIO 10 1 W2 C T GROUND RATIO CT_W2G ct_w3 ct_w3g W2 C T GROUND RATIO 10 1 W3 C T RATIO ct_w2g CT_W3 ct_w3g W3 C T RATIO 10 1 W3 C T GROUND RATIO ct_w2g ct_w3 CT_W3G W3 C T GROUND RATIO 10 1 W4 C T RATIO CT_W4 ct_w4g W4 C T RATIO 10 1 W4 C T GROUND RATIO ct_w4 CT_W4G W4 C T GROUND RATIO 10 1 4 Winding FROM RELAY SEAL IN TIM...

Страница 429: ... W2 GND DIFF CURRENT 0 00 Amps W1 NEG SEQUENCE CURRENT 0 00 Amps W1 ZERO SEQUENCE CURRENT 0 00 Amps W1 POS SEQUENCE CURRENT 0 00 Amps F49 THERMAL CURRENT A 0 00 B 0 00 C 0 00 FREQUENCY STATUS volt curr FREQ v hz powr FREQUENCY 0 0Hz V HZ STATUS volt curr freq V HZ powr VOLTS PER HERTZ 0 0 2 3 4 Winding POWER METER volt curr freq v hz POWR REAL POWER X XXXX PU X XXX W REACTIVE POWER X XXXX PU X XXX...

Страница 430: ...W2 DELAY TIMER 0 51 2 through 51 4 same as above 51 1 DELAY TIMER A 0 B 0 C 0 51GW3 through 51GW4 same as above 51GW2 DELAY TIMER 0 51N 2 through 51N 4 same as above 51N 1 DELAY TIMER 0 ERROR CODE LAST 00 ERROR CODE 1 0 ERROR CODE 2 0 ERROR CODE 3 0 RST LOCATION 0000 CBR 00 BBR 00 COMM ERROR CODE LAST 0 COMM PACKET COUNTER 0 COMM RX ERROR COUNTER 0 SELFTEST COUNTER 00 POWERLOSS COUNTER 00 RESET CO...

Страница 431: ...ASE CURRENT 0 00 0 00 0 00 A W2 through W4 same as above CLEAR MAXIMUM DEMAND PRESS ENTER KEY TO CLEAR CLEAR MAXIMUM DEMAND MAX VALUES CLEARED W2 DEMAND GROUND CURRENT 0 000 A W2 through W4 same as above W1 MAX IB 0 000 Amp XX XXX XXX XX XXXX W1 MAX IC 0 000 Amp XX XXX XXX XX XXXX W1 MAX IA 0 000 Amp XX XXX XXX XX XXXX W2 through W4 same as above W2 MAX IG 0 000 Amp XX XXX XXX XX XXXX W3 through W...

Страница 432: ...XX XX XXX VIEW RECORD STATUS STAT clear setup OSCILLOGRAPH RECORDER Wtargets OSC_REC commV CLEAR RECORDS stat CLEAR setup CLEAR RECORDS RECORDS CLEARED RECORD 1 ACTIVE XX XXX XXXX XX XX XX XXX RECORDER SETUP stat clear SETUP RECORDER PARTITIONS 1 TRIGGER INPUTS i6 i5 i4 i3 i2 i1 TRIGGER INPUTS O8 O7 O6 O5 O4 O3 O2 O1 POST TRIGGER DELAY 5 2 3 4 Winding Figure F 12 View Target History and Oscillogra...

Страница 433: ...00 BAUD_9600 COM2 DEAD SYNC TIME 50 ms COM2 PROTOCOL BECO2200 modbus dnp3 COM3 SETUP com1 com2 COM3 com adr COM3 DEAD SYNC TIME 50 ms COM3 PROTOCOL BECO2200 modbus dnp3 COMMUNICATION ADDRESS com1 com2 com3 COM ADR COMMUNICATION ADDRESS 1 RESPONSE TIME DELAY DLY accss eth eth_ip RESPONSE TIME DELAY 100 ms 2 3 4 Winding TO COMM ACCESS CODE Figure F 13 Relay Communication Menu Flow Page 1 of 2 ...

Страница 434: ...RNET DISABLE enable ENABLE TCP IP SETTINGS TCP prot DHCP PROTOCOL DISABLE enable IP ADDRESS XXX XXX X XX NET MASK XXX XXX XXX X GATEWAY XXX XXX X X ETHERNET IP ADDRESS dly accss eth ETH_IP ETHERNET IP ADDRESS XXX XXX X XX FROM RESPONSE TIME DELAY 2 3 4 Winding Cont d SELECT PROTOCOL modbus serconv Figure F 13 Relay Communication Menu Flow Page 2 of 2 ...

Страница 435: ...IAL NUMBER vers eth SN access SERIAL NUMBER 1 ALTER ACCESS CODES ver eth sn ACCESS ENTER ACCESS CODE LEVEL 1 level 2 level 3 USER CONTROL NUMBER UNUM logo1 logo2 out USER CONTROL NUMBER 1 LEVEL 1 1111 LEVEL 2 2222 LEVEL 3 9999 USER LOGO LINE 1 unum LOGO1 logo2 out USER LOGO LINE 1 _BECKWITH ELECTRIC CO USER LOGO LINE 1 WAIT 2 3 4 Winding TO USER LOGO LINE 2 Figure F 14 Relay Setup Menu Flow Page 1...

Страница 436: ... ALARM COUNTER CLEARED CLEAR OUTPUT COUNTERS OUT COUNTERS CLEARED DATE TIME alrm TIME error diag DATE TIME XX XXX XXXX XX XX XX DATE TIME XX Year DATE TIME jun JUL aug sep oct DATE TIME XX Date DATE TIME sun mon TUE wed thu DATE TIME XX Hour DATE TIME XX Minutes WAIT CLEAR ERROR CODES alrm time ERROR diag CLEAR ERROR CODES PRESS ENTER KEY TO CLEAR CLEAR ERROR COUNTER ERROR CODES CLEARED FROM USER ...

Страница 437: ...led target INPUT NUMBER 1 INPUT NUMBER 1 CIRCUIT OPEN STATUS LED TEST output input LED target STATUS LED TEST LED NUMBER 1 ON 2 through 6 same as above TARGET LED TEST output input led TARGET TARGET LED TEST LED NUMBER 1 ON 2 through 32 same as above BUTTON TEST BUTTON disp com1 com2 BUTTON TEST 0 FROM CLEAR ERROR CODES 2 3 4 Winding 2 through 8 same as above 2 through 6 same as above TO DISPLAY T...

Страница 438: ...HO TEST COM3 clock led cal COM3 ECHO TEST 2WIRE IDLING 9600 N 8 1 CLOCK TEST com3 CLOCK led cal CLOCK TEST XX XXX XXXX XX XX XX CLOCK TEST CLOCK START FROM BUTTON TEST 2 3 4 Winding DIAGNOSTIC MODE Cont d FLASH RELAY OK LED com3 clock LED cal FLASH RELAY OK LED off ON FLASH RELAY OK LED DONE AUTO CALIBRATION com3 clock led CAL CONNECT REFERENCE INPUTS PRESS ENTER TO CALIBRATE AUTO CALIBRATING WAIT...

Страница 439: ...F 28 M 3311A Instruction Book This Page Left Intentionally Blank ...

Страница 440: ...etpoint Ranges 4 63 Bus Fault Protection SP 7 4 96 Bus Fault Protection Scheme 4 96 Button Test 6 6 C Calculation of Differential 4 105 Calibration Data 3 39 Data Restore 3 39 Data Retrieve 3 39 CCM SP 9 4 85 4 86 6 52 A 47 Change Comm Access Code 2 25 3 35 4 2 Relay Communication Address 3 37 User Access Code 2 26 3 35 3 36 4 3 Circuit Board Expanded 5 39 Jumpers 5 36 Board Standard 5 38 Board Sw...

Страница 441: ...rrent Calibration Configuration 6 10 Configuration C6 6 12 Relay Menu Flow F 1 F 5 F 6 Custom Settings 4 108 4 110 Custom Transformer 4 104 A 6 A 9 Date SP 10 SP 15 1 2 2 4 2 15 2 17 3 19 3 23 3 29 4 1 4 8 4 10 5 41 5 42 6 22 A 1 E 2 D Dead Sync Time 4 11 Default Message Screens 2 4 Definite Time Overcurrent Curve D 8 Delta ac CT Connection Diagram 4 109 Demand Currents SP 2 2 1 2 13 2 15 Interval...

Страница 442: ... Function Overload Curves 4 60 Functional Test Procedures 6 1 6 21 G GE L 2 Cabinet 5 6 General Information 2 18 4 18 4 49 5 1 5 42 General Unit Setup 4 1 Ground Differential SP 1 SP 2 SP 5 2 6 2 7 2 9 3 7 3 9 4 50 4 81 4 82 4 105 5 35 6 1 6 49 A 36 A 38 Differential Current Setpoint Ranges 4 82 Overvoltage SP 1 SP 2 4 50 4 71 4 72 6 1 6 42 A 32 Overvoltage Setpoint Ranges 4 71 4 72 Grounding Requ...

Страница 443: ...sidual Overcurrent SP 2 4 50 4 68 6 1 6 39 A 27 A 28 Time Residual Overcurrent Setpoint Ranges 4 68 IPS Logic Menu Flow F 1 F 7 IPScom Breaker Monitor Setpoint Ranges 4 89 COM Port Definitions 4 10 Ethernet Port Setup 4 13 4 14 Functional Description 3 1 Installation 3 1 4 10 5 40 Main Screen Menu Bar 2 28 3 1 Main Screen Status Line 3 1 Modem Communication Dialog Screen 3 6 Program Icon 3 1 5 40 ...

Страница 444: ...red 2 22 Output Contacts SP 12 SP 14 SP 16 2 6 3 24 4 49 4 50 4 62 4 96 5 7 5 42 6 3 6 4 6 21 6 23 6 26 6 28 6 30 6 32 6 35 6 36 6 38 6 40 6 43 6 45 6 49 6 51 6 52 A 1 Output Settings 4 38 A 7 A 10 Output Test 3 37 3 38 4 7 6 3 6 4 6 21 E 1 Output Test Warning 3 38 Overfrequency 4 73 6 1 6 43 P Panel Mount Cutout Dimensions 5 4 PC Modem 4 16 Periodic Surveillance During Storage E 1 Phase Angle Shi...

Страница 445: ... 1 1 1 4 2 4 2 18 3 1 3 3 4 1 4 18 5 40 5 41 A 1 B 1 E 2 Save As Command 3 4 Screen Blanking 2 2 Screen Message Menu Flow 2 4 Secondary Metering 2 9 2 10 3 1 3 7 3 9 3 10 3 13 3 14 6 47 6 48 Security SP 13 2 4 2 25 2 26 3 35 3 36 4 1 4 3 4 77 4 79 4 81 4 93 Select Profile 3 35 Self Test Error Codes C 1 C 2 Sequence of Events SP 2 SP 11 SP 12 2 1 2 30 2 31 3 19 3 31 3 32 4 1 4 22 4 23 Record Cleare...

Страница 446: ...lt Monitoring 4 50 F 1 F 8 Through Fault Record Cleared Successfully 2 30 Through Fault Recorder SP 11 2 1 2 29 4 1 4 22 Time 3 23 4 8 E 2 Time Sync LED 2 2 3 23 Timeout Status 3 7 3 17 Tools Menu 3 35 Torque Requirements 5 7 5 21 Transformer Connections 4 1 4 25 4 27 4 31 4 33 4 77 4 101 4 102 5 42 CT Tap Setting Example 4 79 Protection Relay SP 10 1 1 1 2 1 5 2 1 4 1 4 62 4 77 4 97 5 34 6 2 6 10...

Страница 447: ...7 F 1 F 21 Targets 2 17 3 29 Through Fault Record 2 29 3 30 Voltage Calibration Configuration 6 10 Input SP 8 SP 11 4 51 4 55 4 71 4 73 6 11 6 23 6 26 6 43 Protection Functions 6 1 6 20 Relay Menu Flow F 1 F 4 F 9 F 11 Volts Per Hertz 2 7 2 9 3 7 3 9 4 51 D 1 F 1 F 7 W Winding Current Inputs 6 18 M 1 4 1 5 6 5 Setup 4 1 4 25 4 35 F 1 F 12 F 17 Summing 4 25 4 31 6 31 6 33 6 40 Thermal Protection SP...

Страница 448: ...furnished under this contract In no event shall the Seller be liable for special incidental exemplary or consequential damages including but not limited to loss of profits or revenue loss of use of the equipment or any associated equipment cost of capital cost of purchased power cost of substitute equipment facilities or services downtime costs or claims or damages of customers or employees of the...

Страница 449: ...This Page Left Intentionally Blank ...

Страница 450: ...Co Printed in USA 800 3311A IB 06 09 15 BECKWITH ELECTRIC CO INC 6190 118th Avenue North Largo Florida 33773 3724 U S A PHONE 727 544 2326 FAX 727 546 0121 marketing beckwithelectric com www beckwithelectric com ISO 9001 2008 ...

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