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2–48

M-3520 Instruction Book

2.5

Oscillograph Recorder

The oscillograph recorder provides comprehensive
data recording of all monitored waveforms (voltage,
current, control/status inputs and output contacts) at
16 samples per cycle. Oscillograph data can be
downloaded using the communications ports to any
IBM compatible PC running M-3822 IPScom

®

communications software. Once downloaded, the
waveforms can be examined using M-3801D IPSplot

®

PLUS Oscillograph data analysis software.

The recorder can be triggered manually through serial
communications using IPScom or automatically using
programmed control/status inputs (IN1–6) or
programmed output contact (OUT1–8) operation.
When untriggered, the recorder continually records
waveform data, keeping the most recent data in
memory. The recorders memory may be partitioned
into any one of the following:

•

one 170 cycle record

•

two 112 cycle records

•

three 84 cycle records

•

four 68 cycle records

When configured with a specific post trigger delay,
the oscillographic record will show post-trip data in
addition to pre-trip data, and keeps a snapshot of
waveform data in its memory for downloading using
IPScom.

■

■

■

■

■

NOTE:

If more events or triggers occur before
downloading than the number of
partitions being used, the oldest record
will be overwritten. Records are not
retained if power to the relay is
interrupted.

A post trigger delay of 5% to 95% may be specified.
After triggering, the recorder will continue to store
data for the programmed portion of the total record
before rearming for the next record. For example, a
setting of 80% will result in a record with 20% pre-
trigger and 80% post trigger data.

The

OSC TRIG

LED on the front panel will indicate

when oscillograph data has been recorded and is
available for download.

RECORDER PARTITIONS

4

TRIGGER INPUTS

I6 i5 i4 i3 i2 i1

TRIGGER OUTPUTS
o8 o7 o6 o5 o4 o3 o2 o1

POST TRIGGER DELAY

5%

“Recorder Partitions” designates the number of parti-
tions that the oscillograph recorder will use. Whenever
this number is changed, the post-trigger delay is auto-
matically reset to 5%

The trigger inputs designate the control/status inputs
whose operation will trigger the recorder to record an
event. Operation is “OR”ed if more than one input is
selected.

The trigger outputs are relay output contacts whose
operation will trigger the recorder to record an event.
Operation is “OR”ed if more than one output is selected.

The post trigger delay assigns the amount, in percent, of
the individual data record occurring after the trigger. The
remaining portion consists of pre-trigger data.

The setup of the Oscillograph Recorder includes the following settings:

«
...
79
80
81
82
83
...
»

Содержание M-3520

Страница 1: ...Instruction Book M 3520 Intertie Protection Relay ...

Страница 2: ... Comprehensive suite of phase and ground fault backed protections Abnormal operating protections Reconnect and Sync Check functions Microprocessor based Intertie Protection Relay integrates protection metering monitoring and waveform capture Provides 18 base protective relay functions and 3 optional protective functions Local and remote serial communications capabilities plus IRIG B interface Inte...

Страница 3: ...verse and definite time phase overcurrent 67 Directional inverse and definite time neutral overcurrent 67N Reconnect enable 79 Over Underfrequency 81 O U Optional Functions Dual zone phase distance protection for phase fault backup 21 Out of Step 78 Rate of change of frequency 81R Standard Features Eight programmable outputs and six programmable inputs Oscillograph recording 32 target storage Mete...

Страница 4: ...ard Power Reverse Forward Power Reverse Forward Power Reverse Forward Power Pickup 1 2 3 000 to 3 000 PU 0 001 PU 0 002 PU or 2 Time Delay 1 2 1 to 8160 Cycles 1 Cycle 16 Cycles or 1 The per unit pickup is based on nominal VT secondary voltage and nominal CT secondary current settings Single phase detection may be selected for line to ground connected VTs This function can be selected as either ov...

Страница 5: ... Restraint Inverse Time Overcurrent with Voltage Control or Voltage Restraint Inverse Time Overcurrent with Voltage Control or Voltage Restraint Inverse Time Overcurrent with Voltage Control or Voltage Restraint 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 Definite Time Inverse Very Inverse Extremely Inverse IEC Curves Time Dial 0 5 to 11 0 0 1 3 Cycles ...

Страница 6: ...ectional Element Maximum Sensitivity Torque Angle MSA 0 to 359 1 High speed operation results when delay programmed for one cycle response time less than 1 1 2 cycles Directional sensing for 67DT or 67IT may be disabled Sensitivity at MSA is 0 5 VA uses Positive Sequence Voltage and current for polarization prefault memory 8 cycles Residual Directional Overcurrent Definite Time Pickup 0 5 to 240 0...

Страница 7: ... all outputs designated as trip outputs dropout Frequency Frequency Frequency Frequency Frequency Pickup 1 2 3 4 50 00 to 67 00 Hz 0 01 Hz 0 02 Hz 40 00 to 57 00 Hz Time Delay 1 2 3 4 2 to 65 500 Cycles 1 Cycle 2 to 3 Cycles or 1 The pickup accuracy applies to 60 Hz models at a range of 57 to 63 Hz and to 50 Hz models at a range of 47 to 53 Hz Beyond these ranges the accuracy is 0 1 Hz This range ...

Страница 8: ... to 250 0 Ω 0 5 Ω or 5 Time Delay 1 to 8160 Cycles 1 Cycle 1 Cycle or 1 Trip on mho Exit Enable Disable Pole Slip Counter 1 to 20 1 Pole Slip Reset 1 to 8160 Cycles 1 Cycle 1 Cycle or 1 Rate of Change of Frequency Rate of Change of Frequency Rate of Change of Frequency Rate of Change of Frequency Rate of Change of Frequency Pickup 1 2 0 10 to 20 00 Hz Sec 0 01 Hz Sec 0 05 Hz Sec or 5 Time Delay 1 ...

Страница 9: ...al communications When untriggered the recorder continuously stores waveform data keeping the most recent data in memory When triggered the recorder stores pre trigger data then continues to store data in memory for a user defined post trigger delay period Target Storage A total of 32 targets can be stored Recorded information includes the type of function s operated the functions picked up input ...

Страница 10: ...T RESET pushbutton will allow elements or funcitons 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 The TIME SYNC LED will illuminate when a valid IRIG B signal is applied and time synchronization has been established Communication Communications ports include rear panel RS 232 and RS 485 ports a f...

Страница 11: ...tween IRIG B to each independent circuit 1 500 V dc for 1 minute applied to RS 485 circuit 2 wire to earth 1 500 V dc for 1 minute applied to RS 485 circuit 2 wire to each independent circuit Impulse Voltage IEC 255 5 5 000 V pk polarity applied to each independent circuit to earth 5 000 V pk polarity applied between each independent circuit 1 2 X 50 μs 500 Ohms impedance three surges at 5 second ...

Страница 12: ...19 semiflush 3 unit high rack mount panel design conforming to ANSI EIA RS 310C and DIN 41494 Part 5 specifications Vertical mounting is also available Contact Beckwith Electric for optional GE L 2 Westinghouse FT 41 retrofit panel vertical mounting details Approximate Weight 17 lbs 7 7 kg Approximate Shipping Weight 25 lbs 11 3 kg Recommended Storage Parameters Temperature 5 C to 40 C Humidity Ma...

Страница 13: ...ontacts 1 through 4 contain special circuitry for high speed operation and close 4 ms faster than outputs 5 through 8 Outputs 1 through 6 are form a contacts normally open and Outputs 7 and 8 are form c contacts center tapped a and b contacts 2 To comply with UL and CSA listing requirements terminal block connections must be made with 12 AWG solid or stranded copper wire inserted in an AMP 324915 ...

Страница 14: ...1 O U 59 59I 27 47 50 G 51 G 59 G 27 G 81 R 79 25 67 N 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 VT VT M 3520 Typical Connection Diagram NOTE Voltage Transformer VT connection may be either b...

Страница 15: ...47 46 M 3520 53 52 M 3520 40 39 VAB VBC VCA V2 36 38 40 35 37 39 M 3520 44 43 V2 VA VB VC 9 11 10 8 16 13 61 63 M 3520 34 32 15 12 60 62 33 31 IN 1 52b IN 2 IN 3 IN RTN 52b Other Inputs PS2 PS1 Self Test P S OUT1 Self Test Alarm Failure Power OK Status Alarm 52 1 Trip 52a Alarm A B C A B C Alternate Phase VT Connection IA IB IC IG Alternate VT Connection Figure 3 Typical Three Line Connection Diag...

Страница 16: ... 10 20 25 91 19 00 48 26 17 78 45 16 18 58 47 19 2 35 5 96 1 35 3 42 Standard 19 Horizontal Mount Chassis NOTE Dimensions in brackets are in centimeters RECOMMENDED CUTOUT WHEN RELAY IS NOT USED AS STANDARD RACK MOUNT Rear View 0 40 1 02 x 0 27 0 68 SLOT 4x Figure 4 Horizontal Mounting Dimensions ...

Страница 17: ...electric com 1998 Beckwith Electric Printed in U S A 800 3520 SP 14 10 07 Optional Vertical Mount Chassis NOTE Dimensions in brackets are in centimeters 17 78 45 16 18 58 47 19 2 25 5 72 1 71 4 34 19 00 48 26 17 31 43 97 Actual 5 59 14 20 5 65 13 41 17 50 44 45 ACTUAL 0 40 1 02 x 0 27 0 68 SLOT 4x Rear View RECOMMENDED CUTOUT WHEN RELAY IS NOT USED AS STANDARD RACK MOUNT Figure 5 Vertical Mounting...

Страница 18: ...ing 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 m...

Страница 19: ...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 20: ...50 Instantaneous Overcurrent 3 Phase 2 23 50G Instantaneous Overcurrent Neutral 2 24 51V Inverse Time Overcurrent with Voltage Control or Voltage Restraint 2 25 51G Inverse Time Neutral Overcurrent 2 28 59I Peak Overvoltage 2 29 59 Overvoltage 3 Phase 2 30 59G 27G Overvoltage Undervoltage Neutral Circuit or Zero Sequence 2 31 60FL Fuse Loss 2 35 67 Phase Directional Overcurrent 2 36 67N Residual D...

Страница 21: ...Data 3 8 Setup System 3 8 Configure Relay Data 3 8 Setpoints and Time Settings 3 10 Oscillograph Recorder Data 3 10 Target History Recorder 3 10 3 3 Checkout Status Metering 3 11 Chapter 4 Operation Computer 4 1 Installation and Setup 4 1 Hardware Requirements 4 1 Use of IPScom and M 3520 Intertie Protection Relay using a Modem 4 2 Use of IPScom and M 3520 Intertie Protection Relay using Direct Se...

Страница 22: ...u 4 25 Help Menu 4 26 Chapter 5 Installation 5 1 General Information 5 1 5 2 Mechanical Physical Dimensions 5 1 5 3 External Connections 5 6 5 4 Commissioning Checkout 5 8 5 5 Circuit Board Switches and Jumpers 5 10 Chapter 6 Testing 6 1 Equipment and Test Setup 6 2 6 2 Diagnostic Test Procedures 6 3 Output Test Relay 6 4 Input Test Status 6 4 Status LED Test 6 5 Target LED Test 6 6 Expanded I O T...

Страница 23: ... 51V Inverse Time Overcurrent Phase 6 26 51G Inverse Time Residual Overcurrent Neutral 6 27 59 Overvoltage 3 Phase 1 or 2 6 28 59I Peak Overvoltage 3 Phase 6 29 59G Neutral Overvoltage 6 30 60FL V T Fuse Loss Detection 6 31 67DT Definite Time Directional Overcurrent 6 32 67IT Inverse Time Directional Overcurrent 6 33 67NDT Residual Definite Time Directional Overcurrent 6 34 67NIT Residual Inverse ...

Страница 24: ...gurations 2 18 2 11 M 3822 IPScom for Windows Directional Power 32 Setpoint Ranges 2 19 2 12 M 3822 IPScom for Windows Negative Sequence Overcurrent 46 Setpoint Ranges 2 21 2 13 M 3822 IPScom for Windows Negative Sequence Overvoltage 47 Setpoint Ranges 2 22 2 14 M 3822 IPScom for Windows Instantaneous Phase Overcurrent 50 Setpoint Ranges 2 23 2 15 M 3822 IPScom for Windows Instantaneous Neutral Ov...

Страница 25: ...Ranges 2 40 2 29 Out of Step Relay Characteristics 2 41 2 30 M 3822 IPScom for Windows Out of Step 78 Setpoint Ranges 2 42 2 31 79 Function Logic Diagram 2 43 2 32 M 3822 IPScom for Windows Reconnect Enable Time Delay 79 Setpoint Ranges 2 44 2 33 Typical Settings of 81 Function 2 45 2 34 M 3822 IPScom for Windows Frequency 81 Setpoint Ranges 2 46 2 35 M 3822 IPScom for Windows Rate of Change of Fr...

Страница 26: ...am 4 18 4 19 Sync Scope Diagram 4 18 4 20 Out of Step Screen 4 19 4 21 IPSutil Main Menu Flow 4 21 4 22 Warning Message 4 22 4 23 Communications Dialog Box 4 22 4 24 Relay Comm Port Settings 4 23 4 25 Unit Date Time Dialog Box 4 24 4 26 Change Communication Access Code Dialog Box 4 24 4 27 Change Level Access Code Dialog Box 4 25 4 28 Setup Dialog Box 4 25 4 29 Monitor Status Dialog Screen 4 26 Ch...

Страница 27: ...nfiguration V2 6 11 6 11 Current Inputs Configuration C1 6 11 6 12 Current Inputs Configuration C2 6 11 6 13 Current Inputs Configuration C3 6 11 Appendix A A 1 Human Machine Interface Module A 3 A 2 Communication Data Unit Setup Record Form A 4 A 3 Functional Configuration Record Form A 6 A 4 Setpoint Timing Record Form A 9 A 5 Communication Data Unit Setup Record Form As Shipped A 13 A 6 Functio...

Страница 28: ...rse D 9 D 7 IEC Curve 3 Extremely Inverse D 10 D 8 IEC Curve 4 Long Time Inverse D 11 Tables Page Chapter 1 1 1 M 3520 Device Functions 1 2 Chapter 2 2 1 Impedance Calculation 2 7 2 2 Delta Wye Transformer Voltage Current Pairs 2 25 2 3 Typical Shunt Resistor Values 2 33 Chapter 4 4 1 Windows Keyboard Shortcuts 4 20 Chapter 5 5 1 Jumper Settings 5 10 5 2 Switch Positions 5 10 Chapter 6 6 1 Functio...

Страница 29: ...19 Appendix B B 1 Communication Port Signals B 2 Appendix C C 1A Error Codes C 1 C 1B Error Codes C 2 Appendix D D 1A M 3520 Inverse Time Overcurrent Relay Characteristic Curves D 2 D 1B M 3520 Inverse Time Overcurrent Relay Characteristic Curves D 3 800 3520 IB 09MC1 10 07 Beckwith Electric Co Printed in U S A 06 09 03 03 59 ...

Страница 30: ...settings and oscillograph recorder setup Chapter 3 Operation Front Panel This chapter is designed for the person or group responsible for the operation and direct setting and configuration of the relay and is limited to installations using the HMI Human Machine Interface Module This chapter includes an introduction to the front panel controls the function and operation of the keypad the characteri...

Страница 31: ...digital signal processing technology to provide protection to the intertie between dispersed storage and generation DSG and a utility The M 3520 provides 17 standard and 3 optional protective relay functions see Table 1 1 The nomenclatures of these functions are derived from the standards of ANSI IEEE C37 2 1991 Standard Electric Power Systems Device Function Numbers Six control status input conta...

Страница 32: ...guration of the RS 485 port is 2 wire 4 wire must be specified at the time of purchase Either rear panel port COM2 or COM3 can be used to remotely set and interrogate the M 3520 via a modem network or direct serial connection Detailed information on the use of the relay communications ports is provided in Appendix B Communications as well as Chapter 4 Operation Computer The unit provides up to 170...

Страница 33: ... provides a means to interrogate the M 3520 and to input settings access data etc directly from the front of the relay Operation of the HMI module is described in detail in Section 3 1 Front Panel Controls BECKWITH ELECTRIC CO M 3520 EXIT ENTER a a a a Figure 1 3 M 3931 Human Machine Interface Module M 3801D IPSplot PLUS Oscillograph Analysis Software Package The IPSplot PLUS Oscillograph Analysis...

Страница 34: ...of six control status inputs IN1 6 or the internally generated VT Fuse Loss Status The relay provides programmable setpoints for each relay function Some relay functions provide two or more elements each with a magnitude setting and associated time delay Also the relay includes the ability to use different I O assignments for each element if desired This chapter is designed to assist in the applic...

Страница 35: ...ons only CT M 3520 52 C T Utility System 52 52 VT 67 51V 32 21 78 60 FL 46 50 81 O U 59 59I 27 47 50 G 51 G 59 G 27 G 81 R 79 25 67 N 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 VT VT M 3520 Ty...

Страница 36: ...VBC VCA V2 36 38 40 35 37 39 M 3520 44 43 V2 VA VB VC 9 11 10 8 16 13 61 63 M 3520 34 32 15 12 60 62 33 31 IN 1 52b IN 2 IN 3 IN RTN 52b Other Inputs PS2 PS1 Self Test P S OUT1 Self Test Alarm Failure Power OK Status Alarm 52 1 Trip 52a Alarm A B C A B C Alternate Phase VT Connection IA IB IC IG Alternate VT Connection Figure 2 2 Three Line Connection Diagram NOTE Additional inputs and outputs can...

Страница 37: ...rotective function assigned to this output will not display a target LED if it operates The following functions can be configured using enable disable output and status input blocking designations 21 Phase Distance zone 1 zone 2 25 Sync Check 27 Undervoltage 1 2 27G Neutral Undervoltage 32 Reverse Forward Power 1 2 46 Negative Sequence Overcurrent Def Inv 47 Negative Sequence Overvoltage 1 2 50 In...

Страница 38: ... 27 and 59 may operate for line ground faults If this is not desired the LINE GND_TO_LINE LINE selection may be used When LINE GNDTO LINE LINE is selected the re lay internally calculates line line voltages from line ground voltages for all voltage sensitive func tions This Line Ground to Line Line selection should be used only for a VT nominal secondary voltage of 69 V not for 120 V For this sele...

Страница 39: ...TRANSFORM the relay will internally consider the 30 phase shift through the delta wye unit transformer for 51V and 21 func tions Ratio of the phase VT s Ratio of the V2 VT Ratio of the neutral VT Ratio of the phase CTs Ratio of the neutral CT ACTIVE INPUT OPEN close i6 i5 i4 I3 i2 i1 DELTA Y TRANSFORM DISABLE enable V T PHASE RATIO 1 0 1 V T V2 RATIO 1 0 1 V T NEUTRAL RATIO 1 0 1 C T PHASE RATIO 1...

Страница 40: ...o the system through a delta wye transformer proper voltages and currents equivalent to the high side of the transformer must be used in order for the relay to see correct impedances for system faults By enabling the delta wye transform feature see Section 2 2 System Diagrams the relay can internally consider the 30 phase shift through the delta wye unit transformer saving auxiliary VT costs Delta...

Страница 41: ...e 1 Protected Range Zone 2 52G 21 M 3520 Figure 2 3 Phase Distance 21 Zones of Protection jX R jX R Zone 2 Zone 1 Circle Diameters System Impedance Angle Transformer Transmission Line Figure 2 4 Phase Distance 21 Function Applied for System Phase Faults ...

Страница 42: ...typically transmission Zone 1 distance relays plus adequate overreach A negative or positive offset can be specified to offset the mho circle from the origin This offset is usually set at zero The impedance angle should be set as closely as pos sible to the actual impedance angle of the zone being protected The time delays are set to coordinate with the primary protection of those overreached zone...

Страница 43: ... FL 6 5 4 3 2 1 FL 6 5 4 3 2 1 100 0 Ohms 100 0 Ohms 90o 8160 Cycles Blocking Input Blocking Input OUTPUT 1 2 Save Cancel WARNING Function DISABLED until output selected 21 PHASE DISTANCE Figure 2 5 M 3822 IPScom for Windows Phase Distance 21 Setpoint Ranges Path Relay Menu Setup Setpoints 21 Phase Distance COMMAND BUTTONS Save Saves all information to the relay Cancel Returns the user to the prev...

Страница 44: ...may be selected depending on how the buses are refer enced The logic diagram of the deadline dead bus scheme is shown in Figures 2 6 and 2 7 The Dead V1 Dead V2 and Dead V1 V2 enable are software switches used to enable the dead line dead bus logic Further conditioning can be performed on the dead detection logic by selecting one or more input contacts Dead Input Enable to control the enabled dead...

Страница 45: ...1 F 2 Delta F Limit Phase Angle OK To Figure 2 7 AND AND V 1 V 2 Delta V Limit Delta V Is Enabled Delta F Is Enabled F 1 F 2 Delta F Limit Delta V and Delta F Check Logic With Delta V OR Delta F Enabled Delta V and Delta F Check Logic With Delta V AND Delta F Enabled V1pos Dead Limit Dead V1 Enabled V2 Dead Limit Dead V2 Enabled V1pos Dead Limit V2 Dead Limit V2 Dead Limit Dead V1 V2 Enabled V1pos...

Страница 46: ...ne Dead Bus Logic Dead Line Dead Bus Check Input Initiate Logic From Figure 2 6 79 Supervise 25 Function Logic Phase Angle Delta V and Delta F Logic Dead Line Dead Bus Logic Dead Line Dead Bus Check Input Initiate Logic From Figure 2 6 79 Reconnect Logic From Figure 2 31 79 Supervise 25 Enabled From Figure 2 6 25 Output Contact 25 Output Contact AND AND AND OR OR OR OR 1 2 3 1 2 3 Figure 2 7 Funct...

Страница 47: ...D V1 disable ENABLE 25 DEAD V2 disable ENABLE 25 DEAD V1 V2 DISABLE enable If enabled 79 timer will control 25 function Phase angle setting Upper voltage limit for voltage acceptance Lower voltage limit for voltage acceptance Sync check time delay Delta voltage element Delta voltage setting Delta frequency element Delta frequency setting Voltage less than this setting is defined as DEAD above this...

Страница 48: ...locking Input FL 6 5 4 3 2 1 Input Initiate Delta Voltage Enable Disable Delta Frequency 0 001 Hz 0 500 Hz Enable Disable Dead V1 Hot V2 Hot V1 Dead V2 Dead V1 Dead V2 Supervised by Function 79 Save Cancel 0 o 60 V 40 V 1 Cycle 0 V 1 Cycle 90o 140 V 120 V 8160 Cycles 60 V 8160 Cycles 1 0 V 50 0 V Figure 2 8 M 3822 IPScom for Windows Sync Check 25 Setpoint Ranges Path Relay Menu Setup Setpoints 25 ...

Страница 49: ...80 V 8160 Cycles 2 OUTPUT 8 7 6 5 4 3 2 1 FL 6 5 4 3 2 1 Blocking Input Figure 2 9 M 3822 IPScom for Windows Undervoltage 27 Setpoint Ranges Path Relay Menu Setup Setpoints 27 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 Relay volts are equal to the primary bus voltage divided b...

Страница 50: ...he Utility The reverse underpower function can be used to ensure that the DG is importing a minimal amount of power from the utility therefore providing a supplemental means of loss of parallel operation protection Configuration Process The directional power elements are individually configured as follows 1 Input the desired pick up value positive forward or negative reverse a Positive pick up val...

Страница 51: ...UNDERPOWER NO TRIP TRIP Pick up FORWARD OVERPOWER NO TRIP TRIP Pick up REVERSE UNDERPOWER NO TRIP TRIP Pick up Reverse Relay Forward Import DG Export Export Utility Import Reverse Relay Forward Import DG Export Export Utility Import Reverse Relay Forward Import DG Export Export Utility Import Figure 2 10 Directional Power Configurations ...

Страница 52: ...ower 32 Setpoint Ranges Path Relay Menu Setup Setpoints 32 Directional Power 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 32 1 PICKUP ________ PU 32 1 OVER UNDER POWER over_power under_power 32 1 DELAY ________ Cycles 32 1 THREE PHASE DETECT disable ENABLE 32 2 PICKUP ________ PU 32 2 OVER U...

Страница 53: ...e for system faults that will be cleared by feeder line relaying This requires consideration of feeder line protection bus differential and breaker failure backup protections 46DT PICKUP ________ Amps 46DT DELAY ________ Cycles 46IT PICKUP ________ Amps 46IT CURVE DEF in vinv einv 46IT TIME DIAL ________ Negative sequence overcurrent pickup establishes the nega tive sequence overcurrent level abov...

Страница 54: ...7 6 5 4 3 2 1 FL 6 5 4 3 2 1 Blocking Input Curves Definite Time IECI Inverse IECVI Very Inverse IECEI Extremely Inverse IECLTI 0 50 Amp 0 5 5 00 Amps 11 0 Figure 2 12 M 3822 IPScom for Windows Negative Sequence Overcurrent 46 Setpoint Ranges Path Relay Menu Setup Setpoints 46 Negative Sequence Overcurrent COMMAND BUTTONS Save Saves all information to the relay Cancel Returns the user to the previ...

Страница 55: ...ure 2 13 M 3822 IPScom for Windows Negative Sequence Overvoltage 47 Setpoint Ranges Path Relay Menu Setup Setpoints 47 Negative Sequence Overvoltage 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 47 1 PICKUP ________ Volts 47 1 DELAY ________ Cycles 47 2 PICKUP ________ Volts 47 2 DELAY ______...

Страница 56: ... INSTANTANEOUS PHASE OVERCURRENT 1 0 Amp 240 0 Amps 1 OUTPUT 8 7 6 5 4 3 2 1 FL 6 5 4 3 2 1 Blocking Input Pickup Figure 2 14 M 3822 IPScom for Windows Instantaneous Phase Overcurrent 50 Setpoint Ranges Path Relay Menu Setup Setpoints 50 Instantaneous Phase Overcurrent COMMAND BUTTONS Save Saves all information to the relay Cancel Returns the user to the previous window any changes to the displaye...

Страница 57: ... Ground Directional Element Enable Disable Pickup 5 Amp 240 0 Amps Figure 2 15 M 3822 IPScom for Windows Instantaneous Neutral Overcurrent 50G Setpoint Ranges Path Relay Menu Setup Setpoints 50G Instantaneous Neutral 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 If this function i...

Страница 58: ... to operate independently of current decrement in the machine The voltage restraint function is well suited to small generators with relatively short time constants Voltage restraint is disabled when shipped from factory When the generator is connected to the system through a delta wye transformer proper voltages equivalent to the high side of the transformer should be used for the 51VR or 51VC el...

Страница 59: ...estraint control setting Voltage control level If this function is enabled the following settings are applicable 51V PICKUP ________ Amps 51V CURVE DEF inv vinv einv 51V TIME DIAL ________ 51V VOLTAGE CONTROL disable V_CNTL v_rstrnt 51V VOLTAGE CONTROL ________ Volts Input Voltage of Nominal Voltage 0 25 50 75 100 0 25 50 75 100 Tap Setting as of Tap Setting at Nominal Voltage Figure 2 16 Voltage ...

Страница 60: ...Inverse IECEI Extremely Inverse IECLTI Voltage Control 5 V 180 V Disable Voltage Control Voltage Restrain Pickup Delay Figure 2 17 M 3822 IPScom for Windows Inverse Time Overcurrent with Voltage Control Restraint 51V Setpoint Ranges Path Relay Menu Setup Setpoints 51V Inverse Time Overcurrent with Voltage Control Restraint COMMAND BUTTONS Save Saves all information to the relay Cancel Returns the ...

Страница 61: ...G INVERSE TIME NEUTRAL OVERCURRENT Pickup Delay 1 0 25 Amp 0 5 12 00 Amps 11 0 OUTPUT 8 7 6 5 4 3 2 1 FL 6 5 4 3 2 1 Blocking Input Curves Definite Time IECI Inverse IECVI Very Inverse IECEI Extremely Inverse IECLTI Ground Directional Element Enable Disable Figure 2 18 M 3822 IPScom for Windows Inverse Time Neutral Overcurrent 51G Setpoint Ranges Path Relay Menu Setup Setpoints 51G Inverse Time Ne...

Страница 62: ...t to define the parameter setpoints in per unit of the peak of the nominal sinusoidal waveform The per unit value is based on the nominal voltage setting As an example for a nominal voltage of 120 V the one per unit instantaneous peak voltage is 120 x S2 170 V Save Cancel WARNING Function DISABLED until output selected 59I PEAK OVERVOLTAGE Magnitude Delay 1 05 p u 1 Cycle 1 50 p u 8160 Cycles 1 OU...

Страница 63: ...wned Sources of Generation 3 MVA or Less IEEE Publication 88TH0224 6 PWR Save Cancel WARNING Function DISABLED until output selected 59 OVERVOLTAGE Pickup Delay 5 V 1 Cycle 180 V 8160 Cycles 1 OUTPUT 8 7 6 5 4 3 2 1 FL 6 5 4 3 2 1 Blocking Input Pickup Delay 5 V 1 Cycle 180 V 8160 Cycles 2 OUTPUT 8 7 6 5 4 3 2 1 FL 6 5 4 3 2 1 Blocking Input Figure 2 20 M 3822 IPScom for Windows Phase Overvoltage ...

Страница 64: ...voltage 59G Setpoint Ranges Path Relay Menu Setup Setpoints 59G Neutral Overvoltage 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 Applications of 59G 27G shown in Figures 2 27 and 2 28 are for detecting ground faults on the utility side of the power transformer Protection schemes are applied ...

Страница 65: ...0 Cycles 1 OUTPUT 8 7 6 5 4 3 2 1 FL 6 5 4 3 2 1 Blocking Input Figure 2 22 M 3822 IPScom for Windows Neutral Undervoltage 27G Setpoint Ranges Path Relay Menu Setup Setpoints 27G Neutral 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 66: ...ny real world utility ground fault A B C Power Transformer a b c 59G Resistor To Dispersed Storage and Generation DSG To Utility Figure 2 23 Ground Fault Detection Using 59G and Broken Delta VTs When the relay burden is small the transformers in this scheme will be subject to ferroresonance and high voltage oscillations unless a shunt resistor is used The shunt resistor will damp high transient vo...

Страница 67: ... scheme uses the 27G and 59G functions with one VT rated for line to line voltage but connected from any one phase to ground as shown in Figure 2 24 This scheme will detect the most common line to ground faults in the following manner A fault on the phase that includes the VT will pull that phase voltage low and initiate operation of the 27G function A fault on either phase without the VT will res...

Страница 68: ...negative sequence currents are not present during fault conditions provision is made for disabling the 60FL Fuse Loss internal logic by not selecting FL from the 60FL Input Initiate choices Provision is also made in the relay to input external status contact s of other fuse loss detection protection These external contacts may be input to any of the input contacts IN1 to IN6 and programmed to init...

Страница 69: ... is set to minimum 1 cycle A three phase option on the 67DT function allows the 67DT to only respond to 3 phase faults When three phase detection is disabled and any one phase current exceeds pickup timing will begin The directional elements are polarized from positive sequence voltage and positive sequence current In order to obtain maximum sensitivity for fault currents the directional element i...

Страница 70: ... enable When disabled this func tion will work like a standard overcurrent function 50DT When enabled all three phase currents must exceed the setpoint for the function to operate Time delay When programmed for 1 cycle high speed operation results 75 0 5 cycles Pickup value for the 67IT setting Directional discrimination enable When disabled this func tion will work like a standard inverse time ov...

Страница 71: ...o Inv Time OUTPUT 8 7 6 5 4 3 2 1 FL 6 5 4 3 2 1 Blocking Input Pickup Time Dial 0 50 Amp 0 5 12 00 Amps 11 0 Curves Definite Time IECI Inverse IECVI Very Inverse IECEI Extremely Inverse IECLTI Phase Directional Element Enable Disable Figure 2 27 M 3822 IPScom for Windows Phase Directional Overcurrent 67 Setpoint Ranges Path Relay Menu Setup Setpoints 67 Phase Directional Overcurrent COMMAND BUTTO...

Страница 72: ... Dual polarized with Type 1 or Type 4 All types are designed to trip using 3I0 current Polarizations 1 3 and 5 shall not be used with L L or LG to L L VT selection When using polarizations 4 or 5 MSA is not applicable and should be set to zero NOTE When IG is connected as the residual current from phase CTs type 4 and 5 must not be used If this function is enabled the following settings are applic...

Страница 73: ...Amps 11 0 Curves Definite Time IECI Inverse IECVI Very Inverse IECEI Extremely Inverse IECLTI Ground Directional Element Enable Disable Max Sensitivity Polarization 0 o 359 o Type 1 Zero Sequence Type 3 Negative Sequence Type 5 Dual Type 1 or Type 4 Type 2 Vg Type 4 Ig Figure 2 28 M 3822 IPScom for Windows Residual Directional Overcurrent 67N Setpoint Ranges Path Relay Menu Setup Setpoints 67N Res...

Страница 74: ... complete The output contact will remain closed for the amount of time set by the seal in timer delay Consider for example Figure 2 29 If the out of step swing progresses to impedance Z0 t0 the MHO element and the blinder A element will both pick up As the swing proceeds and crosses blinder B at Z1 t1 blinder B will pick up When the swing reaches Z2 t2 blinder A will drop out If TRIP ON MHO EXIT o...

Страница 75: ... mho circle from the origin The blinder impedance should be programmed less than the set diameter Circle Diameter Offset Pole Slip Reset Time Impedance Angle Blinder Impedance Delay Pole Slip Counter WARNING Function DISABLED until output selected 78 OUT OF STEP Trip on MHO Exit Enable Disable Save Cancel 0 1 Ohms 100 0 Ohms 1 Cycle 0 Degree 0 1 1 Cycle 1 100 0 Ohms 100 0 Ohms 8160 Cycles 90 Degre...

Страница 76: ...dition to the time delay setting the reconnect function monitors all functions that are programmed to trip The reconnect relay will initiate timing when all outputs defined as trip outputs are not in a trip condition For example If function 27 1 is programmed to output 5 for alarm 27 2 to output 1 for trip 81 1 to output 6 for alarm 81 2 to output 2 for trip 59G to output 2 for trip and 79 to outp...

Страница 77: ...ARNING Function DISABLED until output selected 79 RECONNECT ENABLE TIME DELAY Delay 2 Cycles 65500 Cycles 1 OUTPUT 8 7 6 5 4 3 2 1 FL 6 5 4 3 2 1 Blocking Input FL 6 5 4 3 2 1 Input Initiate Figure 2 32 M 3822 IPScom for Windows Reconnect Enable Time Delay 79 Setpoint Ranges Path Relay Menu Setup Setpoints 79 Reconnect Enable Time Delay COMMAND BUTTONS Save Saves all information to the relay Cance...

Страница 78: ...ws from the premise that if the drop in frequency is due to a major loss of system generation it is at just this time that all available DG should be kept on line to help prevent a complete system collapse If this is the objective it may be useful to set one underfrequency characteristic at 57 5 to 58 0 Hz with a very short time delay but allowing a higher frequency say 59 5 Hz to be maintained fo...

Страница 79: ...g Input Pickup Delay 50 00 Hz 2 Cycles 67 00 Hz 65500 Cycles 1 OUTPUT 8 7 6 5 4 3 2 1 FL 6 5 4 3 2 1 Blocking Input Pickup Delay 50 00 Hz 2 Cycles 67 00 Hz 65500 Cycles 1 OUTPUT 8 7 6 5 4 3 2 1 FL 6 5 4 3 2 1 Blocking Input Save Cancel Figure 2 34 M 3822 IPScom for Windows Frequency 81 Setpoint Ranges Path Relay Menu Setup Setpoints 81 Frequency COMMAND BUTTONS Save Saves all information to the re...

Страница 80: ...ure uses negative sequence voltage to block 81R function When the measured negative sequence voltage exceeds the inhibit setting the function 81R is blocked The time delay and magnitude settings of 81R should be based on simulation studies and the setpoint ranges are given in Figure 2 35 below Save Cancel WARNING Function DISABLED until output selected 81R RATE OF CHANGE OF FREQUENCY Pickup Delay ...

Страница 81: ...e number of partitions being used the oldest record will be overwritten Records are not retained if power to the relay is interrupted A post trigger delay of 5 to 95 may be specified After triggering the recorder will continue to store data for the programmed portion of the total record before rearming for the next record For example a setting of 80 will result in a record with 20 pre trigger and ...

Страница 82: ...ches and Jumpers When valid IRIG B time information is received the TIME SYNC LED is illuminated and the hour minute and seconds of the on board real time clock RTC are corrected to the new IRIG B time at five 5 minutes before the hour Extended time information accurate to 1 ms is appended to all oscillograph and target time tags 2 6 Target History Recorder Designated tripping output In this sampl...

Страница 83: ...2 50 M 3520 Instruction Book This Page Left Intentionally Blank ...

Страница 84: ...ogate the unit Detailed information on using these controls is provided in this chapter Alphanumeric Display To assist the operator in setting and interrogating the relay the display shows menus which guide the operator to the desired function or setpoint value These menus consist of two lines The bottom line shows lower case abbreviations of each menu selection with the current menu selected and ...

Страница 85: ...mmed to illuminate continuously if desired Oscillograph OSC TRIG Recorder LED The OSC TRIG LED illuminates to indicate that oscillograph data has been recorded in the unit s memory Breaker BRKR CLOSED LED The red BRKR CLOSED LED illuminates when the breaker status input 52b is open Target Indicators and Target Reset Normally the 24 TARGET LEDs are not illuminated Upon operation LEDs corresponding ...

Страница 86: ...unications ports The COM1 port will normally be used for local setting and interrogating of the relay via a portable computer running IPScom IPScom only supports communications using BECO 2200 protocol COM1 port protocol is fixed at BECO 2200 An additional COM3 port RS 485 is available at the rear terminal block Either the COM2 port or the COM3 port will normally be used for remote setting and int...

Страница 87: ...ens optional Main Menu Flow dist fuse sync config reconnect sys stat targets osc rec comm setup exit VOLT curr freq pwr VOLTAGE RELAY 27 PHASE UNDERVOLTAGE PHASE_UNDER phase_over 27 1 PICKUP 108 Volts ENTER ACCESS CODE LEVEL 1 ACCESS GRANTED ACCESS DENIED M 3520 BECKWITH ELECTRIC CO TRGT 08 01 98 10 19 12 46 NEG SEQ OVERCURRENT Trip 47 TRGT 08 01 98 10 19 12 Blanked Screen LED Test XXXXXXXX POWER ...

Страница 88: ... Time of Last Power Up Error Codes Checksums View Target History Clear Target History Target Setup View Record Status Clear Records Recorder Setup COM 1 Setup COM 2 Setup COM 3 Setup Communication Address Comm Access Code COMMUNICATION COMM setup exit VIEW TARGET HISTORY TARGETS osc_rec Software Version Serial Number Alter Access Codes User Control Number User Logo Line 1 User Logo Line 2 Clear Ou...

Страница 89: ...s used the baud rate address and other parameters for the communication ports must be set Refer to the instructions in subsection Communications Data located at end of this procedure Also refer to Chapter 4 Operation Computer on M 3822 IPScom 5 To setup the unit with general information required including altering access codes clearing output counters setting date and time installing user logos an...

Страница 90: ... ct_n C T PHASE RATIO 10 1 C T NEUTRAL RATIO f vt vt_v2 vt_n ct CT_N C T NEUTRAL RATIO 10 1 V T PHASE RATIO f VT vt_v2 vt_n ct ct_n ACTIVE INPUT STATE fpulse seal IN d_ytx g ACTIVE INPUT OPEN close i6 i5 i4 i3 i2 i1 PHASE ROTATION volt curr vt sync PHASEg PHASE ROTATION a c b A B C PULSE RELAY f PULSE seal in y_dtx g PULSE RELAY o8 o7 o6 o5 o4 o3 o2 o1 RELAY SEAL IN TIME fpulse SEAL in d_ytx g REL...

Страница 91: ...red Setup Unit Data The general information that is required to complete the input data in this section includes Access codes Control numbers Date and time User logo Diagnostic mode Before entering the setup data the Communication Data Unit Setup Record see Appendix A Form A 1 should be completed Figure 3 5 is a sample of the Communication Data Unit Setup Record Form Refer to the two columns on th...

Страница 92: ...T f comm SETUP exit SOFTWARE VERSION D 0060V01 02 07 SOFTWARE VERSION VERS sn access number g SERIAL NUMBER vers SN access number g SERIAL NUMBER 1 LEVEL 3 9999 LEVEL 2 2222 LEVEL 1 1111 ENTER ACCESS CODE LEVEL1 level2 level3 ALTER ACCESS CODES vers sn ACCESS numberg CLEAR OUTPUT COUNTERS flogo1 logo2 OUT alrm g CLEAR OUTPUT COUNTERS PRESS ENTER KEY TO CLEAR CLEAR ALARM COUNTERS flogo1 logo2 out A...

Страница 93: ...rder setup which can be used to familiarize the user with the OSCILLOGRAPH RECORDER menu The HMI module allows the user to view time stamps for recorded events and to clear all records in order to provide a fresh starting point for event triggering Target History Recorder The VIEW TARGET HISTORY menu selection enables the user to review the targets for the previous 32 target conditions A target is...

Страница 94: ...ATUS Phase voltages neutral voltage V2 voltage positive sequence voltage negative sequence voltage zero sequence voltage CURRENT STATUS Phase currents neutral current positive sequence current negative sequence current zero sequence current FREQUENCY STATUS Frequency Rate of change of frequency POWER STATUS Real power Reactive power Apparent power Power factor IMPEDANCE STATUS SYNC CHECK STATUS IN...

Страница 95: ...M 3520 Instruction Book 3 12 This Page Intentionally Left Blank ...

Страница 96: ...compatible format CD ROM Available for download from our website at www beckwithelectric com The M 3822 IPScom software is not copy protected and can be copied to a hard disk For more information on your specific rights and responsibilities regarding the M 3822 IPScom software refer to the licensing agreement enclosed with your software or contact Beckwith Electric Co Hardware Requirements IPScom ...

Страница 97: ...oot null modem RS 232 cable may be purchased from Beckwith Electric Co part number M 0423 Installation Before installing the IPScom program make a copy of the software disks for archive purposes IPS IPScom Figure 4 1 IPScom Program Icon IPScom can be run from a hard disk An installation utility setup exe has been provided to make the process easier Installing IPScom 1 Insert software CD ROM in you...

Страница 98: ...de being accessed using the HMI To ensure the M 3520 is available for remote communication press ENTER at the EXIT LOCAL MODE menu item or press the EXIT key several times to back out of the menu tree to the top level screen 1 Connecting the modem to the computer a If the computer has an external modem use a standard straight through RS 232 modem cable to connect the computer and modem M 3933 If t...

Страница 99: ... 32 relays can be connected using the same 2 wire or optional 4 wire RS 485 communications line Appendix B Figure B 2 illustrates a setup of RS 232 Fiber Optic network and Figure B 3 illustrates a 2 wire and 4 wire RS 485 network Other communication methods are possible using the M 3520 Intertie Protection Relay An Application Note Serial Communication with Beckwith Electric s Integrated Protectio...

Страница 100: ...ion establishes communications 4 Enter any valid IPScom command s as desired 5 To end communication when communicating by modem choose the Hang Up command button from the expanded Communication dialog box To close the communication channel when connected locally choose the Close COM command button 4 2 Operation Activating Communications After the relay has been set up the modems initialized and IP...

Страница 101: ...his dialog box you have access to the port designation baud rate access code relay address leased line identification speaker volume phone directory and modem dialing functions Help Contents Using Help About Profile Info Help IPScom User Logo Lines Unit Identifier Unit Address Relay Type Setup Retrieve Trigger Clear File Setup System Setpoints Set Date Time Primary Status Secondary Status Phase Di...

Страница 102: ... Secondary Rating Phase Rotation Cancel Figure 4 4 New Device Profile Dialog Box Path File menu New command COMMAND BUTTONS OK Saves the currently displayed information Cancel Returns you to the IPScom main window any changes to the displayed information are lost The Save and Save As commands allow re saving a file or renaming a file respectively The Open command allows opening a previously create...

Страница 103: ...COMMAND BUTTONS Cancel Returns you to the IPScom main window any changes to the displayed information are lost Open COM Initiates contact with the protective system either by direct serial or modem communication Close COM Breaks communication with the protective system for both direct serial or modem communication Modem Displays the expanded Communication dialog box Add Displays the Add Edit dialo...

Страница 104: ...Frequency 60 Hz C T Secondary Rating 5A Nominal Voltage 60 V Nominal Current 0 50 A 120 5 00 3 3 4 4 140 V 6 00 A Delta Y Transform Enable Disable V T Configuration Line to Ground Line to Line Line Line to Line Ground 25 Sync Check Phase AB BC CA 4 3 4 3 4 3 4 3 4 3 Phase Rotation V T Phase Ratio V T Neutral Ratio V T V2 Ratio C T Phase Ratio C T Neutral Ratio Outputs 1 ABC ACB 2 3 4 5 6 7 8 1 0 1...

Страница 105: ... BUTTONS Display All Opens the All Setpoints Table dialog box Configure Opens the Configure dialog box Cancel Saves the currently displayed information and returns to the IPScom main window Pickup 46 NEGATIVE SEQUENCE OVERCURRENT Pickup Delay 0 10 Amp 1 Cycle 20 00 Amps 8160 Cycles Def Time 3 4 8 8 7 6 5 4 3 2 1 FL 6 5 4 3 2 1 OUTPUT 7 6 5 4 3 2 1 FL 6 5 4 3 2 1 OUTPUT Blocking Input 3 4 3 4 3 4 T...

Страница 106: ...ad V2 Enable Dead V1 Dead V2 Enable Supervised by F79 Enable Input Initiate 25 Sync Check 21 PHASE DISTANCE Circle Diameter 50 0 Ω Offset 0 0 Ω Impedance Angle 85o Time Delay 30 cycles 1 Circle Diameter Offset Impedance Angle Time Delay 2 Pickup Time Delay Pickup 108 V Time Delay 30 cycles 1 2 Pickup 108 V Time Delay 30 cycles 27 UNDERVOLTAGE 27G NEUTRAL UNDERVOLTAGE Pickup 0 020 p u Time Delay 12...

Страница 107: ...v T Neu 51V 59 59I Peak P 59G Neu Volt 25 2 1 1 1 FL 1 1 1 FL 1 1 5 6 Figure 4 10 Configure Dialog Box Path Relay menu Setup submenu Setpoints window Configure command button JUMP HOTSPOTS This window provides you with jump hotspots identified by the hand icon that take you to each relay dialog box Exiting any of these dialog boxes will return you to the Configure dialog box CONTROL MENU Close Ret...

Страница 108: ...les between start stop the relay clock Stop pauses Start resumes Cancel Returns you to the IPScom main window Any changes to the displayed information is lost The Monitor submenu provides access for reviewing the present status of the M 3520 s measured and calculated values other real time parameters and conditions as well as examining real time and historical demand metering information see Secti...

Страница 109: ...ime The Setup command allows the user to set the number of partitions and triggering designations to be made The Retrieve command downloads and stores collected data to a file Trigger allows the manual triggering of the recorder Clear erases the existing record Run the optional M 3801A IPSplot Oscillograph Analysis Software program to view the downloaded oscillograph files Setup Oscillograph Recor...

Страница 110: ...riority recognition While the unit is in local mode communication using the serial ports is suspended IPScom displays an error message to indicate this fact Time and Date Stamping Time and date stamping of events is only as useful as the validity of the unit s internal clock Under the Relay menu the Set Date TIme command allows you to manually set the unit s clock Echo Cancel The Echo Cancel check...

Страница 111: ...enu Primary Status window These are calculated values based on the VT and CT inputs IPSCOM Secondary Status File Comm Relay Window Help W X 1 BECKWITH ELECTRIC CO M 3520 A 1 M 3520 VOLTAGES 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 CURRENTS AB BC CA Neutral Pos Seq Neg Seq Zero Seq Phase V2 Peak Voltages AB BC CA 0 00 0 00 0 00 Phase A 0 001 0 001 0 001 0 001 0 000 0 002 0 003 Phase B Phase C Neutral Pos Se...

Страница 112: ...ral Undervoltage 32 1 Reverse Forward Power 32 2 Reverse Forward Power 46DT Neg Seq Overcurrent DEF 46IT Neg Seq Overcurrent INV 47 1 Neg Seq Overvoltage 47 2 Neg Seq Overvoltage 50 Instant Phase Overcurrent 50G Instant Neutral Overcurrent 51V Inv Time Overcurrent 51G Inv Time Neutral Overcurrent 59 1 Overvoltage 59 2 Overvoltage 59I Peak Overvoltage 59G Neutral Overvoltage 60FL VT Fuseloss Detect...

Страница 113: ...0 00 0 0 Figure 4 18 Phasor Diagram Path Relay menu Monitor submenu Phasor Diagram COMMAND BOXES Voltage Select to display voltage signals Currents Select to display current signals Freeze When checked visible data will not be updated Sync Scope W X 0 60 90 150 120 30 180 210 270 240 330 300 Phasor Angle SLOW FAST 0 0o Delta Volts 0 0 V Delta Freq 0 000 Hz Figure 4 19 Sync Scope Screen Path Relay ...

Страница 114: ... Circle Diameter Circle Offset Circle Impedance Angle 46o 60 0 W 0 0 W Blinder Impedance W W 50 327 67 j327 67 DISABLED 80 60 100 25 50 75 Positive Sequence Impedance Trip on Mho Exit 125 150 175 200 25 50 75 100 125 X Figure 4 20 Out of Step Screen ...

Страница 115: ...ht Arrow To move between menus Up Arrow Down Arrow To move between commands A character key To choose the menu or command The underlined character matches the one you type Enter To choose the selected menu name or command Esc To cancel the selected menu name or to close the open menu DIALOG BOX KEYS These keys are useful when working in a dialog box Alt a character key To move to the option or gro...

Страница 116: ...laneous Setup Monitor Status Advanced Help About Clock RelayComm Window Connect Exit Alt F4 Comm Security Change Comm Access Code Change Access Level Code Security Comm Clock IPSutility Relay M 3520 D 00XX VX XX XX Comm Relay Help Miscellaneous Figure 4 21 IPSutil Main Menu Flow ...

Страница 117: ...nection is not supported IPSutil program is not supported through COM2 or COM3 ports of the relay Overview IPSutil helps in setting up IPS relays which were ordered without the optional front panel HMI interface Units delivered without HMI s are shipped with a set of factory default settings for various parameters that the end user may wish to change While the utility program is directed to users ...

Страница 118: ...enu is selected the Relay Comm Port Settings dialog box appears See Figure 4 24 It allows you to set the relay communication ports COM1 or COM2 COM3 baud rate For COM2 COM3 it allows you to set the protocol and dead synch time Additionally for COM2 and COM3 if you select MODBUS protocol the dialog box allows you to enable the parity option COM1 Baud Rate 9600 Relay Comm Port Settings X COM2 COM3 B...

Страница 119: ...LED is not blue the relay is not time synchronized and therefore both the Date and Time fields can be changed The time field in the dialog box is not updated continuously The time at which 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 IPSutil is fully Y2K compliant Security Menu Security Chan...

Страница 120: ...lay parameters The Setup feature Figure 4 28 allows the user to change the Logo information test outputs assign communication address and user control number phase rotation OK LED flash mode in the relay Note that the highest number used for the communication address is 255 and the highest control number allowed is 9999 Output Test Relay 8 7 6 5 4 3 2 1 OFF ON x SETUP User Logo Line1 Line2 BECKWIT...

Страница 121: ...mation on the IPSUtil version numbers X Monitor Status Error Codes Input Test Indicator 6 5 4 3 2 1 Open Close Checksums Calibration 94 Setpoints 10 Clear Last Selftest Last Selftest 1 Last Selftest 2 Last Selftest 3 Last Comm Receive Packet Counters Clear OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 OUT8 Alarm Powerloss OK Cancel 147 110 8 0 18 22 27 7 0 42 45 28 0 0 4112 24 Figure 4 29 Monitor Status Dial...

Страница 122: ...wiring schematics If during the commissioning of the relay additional tests are desired refer to Chapter 6 Testing The operation of the M 3520 Intertie Protection Relay including the initial setup procedure is described in Chapter 3 Operation Front Panel If the relay is not provided with an HMI module refer to Chapter 4 Operation Computer Section 3 1 Front Panel Controls describes the front panel ...

Страница 123: ...19 00 48 26 17 78 45 16 18 58 47 19 2 35 5 96 1 35 3 42 Standard 19 Horizontal Mount Chassis NOTE Dimensions in brackets are in centimeters RECOMMENDED CUTOUT WHEN RELAY IS NOT USED AS STANDARD RACK MOUNT Rear View 0 40 1 02 x 0 27 0 68 SLOT 4x Figure 5 1 M 3520 Mounting Dimensions Horizontal Chassis ...

Страница 124: ...centimeters 17 78 45 16 18 58 47 19 2 25 5 72 1 71 4 34 19 00 48 26 17 31 43 97 Actual 5 59 14 20 5 65 13 41 17 50 44 45 ACTUAL 0 40 1 02 x 0 27 0 68 SLOT 4x Rear View RECOMMENDED CUTOUT WHEN RELAY IS NOT USED AS STANDARD RACK MOUNT Figure 5 2 M 3520 Mounting Dimensions Vertical Chassis ...

Страница 125: ...0 48 26 6 19 15 72 Max Depth of Unit Front View 10 50 26 67 Recommended Panel Cutout Dimensions 39 0 99 18 21 46 25 8 72 22 15 2 80 7 12 2 80 7 12 8 72 22 15 2 25 5 71 1 91 4 85 n NOTE Dimensions in brackets are in centimeters Figure 5 3 H2 Mounting Dimensions ...

Страница 126: ... 19 38 8 72 22 15 Max Depth of Unit Front View 10 50 26 67 8 72 22 15 2 80 7 12 2 80 7 12 2 60 6 60 1 14 Recommended Panel Cutout Dimensions 15 56 39 52 18 50 46 99 5 56 14 12 1 04 2 64 n NOTE Dimensions in brackets are in centimeters Figure 5 4 H3 Mounting Dimensions for GE L 2 Cabinet ...

Страница 127: ...may result in damage to the unit 2 3 4 5 6 7 8 9 10 27 26 30 29 28 31 32 33 34 1 2 3 4 5 6 7 8 46 47 48 49 50 51 52 53 G I C I B I A I G C V B V A V 6 19 0 118 t h AV E NO WA RNING CONTACT W IT H T ERMINA LS MAY CAUS E ELECT RICA L S HOCK V V V F1 F2 F3 F4 PS2 PS1 RAT ED CURRENT S ELF T EST P S 4 3 2 1 6 5 INPUTS A LA RMS 5 2 b CONTACT RAT INGS S EE INST RUCT ION MA NUA L COM 2 BECKW IT H ELECT RI...

Страница 128: ...520 41 42 M 3520 A B C 51 50 49 48 47 46 M 3520 53 52 M 3520 40 39 VAB VBC VCA V2 36 38 40 35 37 39 M 3520 44 43 V2 VA VB VC 9 11 10 8 16 13 61 63 M 3520 34 32 15 12 60 62 33 31 IN 1 52b IN 2 IN 3 IN RTN 52b Other Inputs PS2 PS1 Self Test P S OUT1 Self Test Alarm Failure Power OK Status Alarm 52 1 Trip 52a Alarm A B C A B C Alternate Phase VT Connection IA IB IC IG Alternate VT Connection ...

Страница 129: ...XIT The unit will display VOLTAGE STATUS VOLT curr freq powr J 12 Press the right arrow once so that the unit displays CURRENT STATUS volt CURR freq powr J 5 4 Commissioning Checkout During field commissioning perform the following procedure to ensure that the CT and VT connections are correct 1 On the keypad press ENTER After a short delay the unit should display VOLTAGE RELAY VOLT curr freq pwr ...

Страница 130: ... measured values using a meter If there is a discrepancy check the CT connections to the rear terminal block of the unit The unit should display PHASE CURRENT A B C 14 Press ENTER for the unit to display neutral current The neutral current should be near zero amperes NEUTRAL CURRENT Amps 15 Press ENTER for the unit to display positive sequence current The positive sequence current should be IPOS y...

Страница 131: ... n n o c 2 M O C f o 9 n i P o t V 5 1 s n o i t c e n n o C d e v o m e R e c i v e d M O C g n i t t e S t l u a f e D r o t c e n n o c 2 M O C f o 9 n i P s t c e n n o c s i D d e s a h c r u p s i n o i t p o e r i w 4 5 8 4 S R e h t n e h w e l b a l i a v a y l n o e r a 8 5 d n a 0 1 s r e p m u J Table 5 1 Jumper Settings H C T I W S S N O I T I S O P N O I T P I R C S E D 1 2 3 4 d e g...

Страница 132: ...25 C149 C146 VR20 L28 VR22 VR19 C136 VR17 C135 VR18 C127 VR16 C137 C134 C138 VR21 C139 VR15 C133 C140 C132 C141 VR14 VR13 C142 C131 C143 VR12 C130 VR11 C144 C129 VR3 C128 E127 E 126 R141 C45 C215 U23 C16 E143 E184 E110 E178 E109 E183 R156 C203 C26 BECKWITH ELECTRIC C163 U31 U30 C92 C162 C145 C91 U32 BE 450 00266 P 2256 REV R118 R119 K10 C126 D60 K9 C202 R121 Q8 C206 J 53 Q10 C3 J49 C38 U36 J56 C11...

Страница 133: ...M 3520 Instruction Book 5 12 This Page Intentionally Left Blank ...

Страница 134: ...uence Overvoltage 6 23 50 Instantaneous Phase Overcurrent 6 24 50G Instantaneous Phase Overcurrent Neutral 6 25 51V Inverse Time Overcurrent Phase 6 26 51G Inverse Time Residual Overcurrent Neutral 6 27 59 Overvoltage 3 Phase 1 or 2 6 28 59I Peak Overvoltage 3 Phase 6 29 59G Neutral Overvoltage 6 30 60FL VT Fuse Loss Detection 6 31 67DT Definite Time Directional Overcurrent 6 32 67IT Inverse Time ...

Страница 135: ... phase current source capable of 0 to 25 Amps Pulsar Universal Test System or equivalent Electronic timer with a minimum accuracy of 8 ms Pulsar Universal Test System or equivalent NOTE A single phase frequency tester may be used 48 to 59 99 Hz for 60 Hz units 38 to 49 99 Hz for 50 Hz units Equipment Setup CAUTION The proper voltage range for the relay is clearly marked underneath each of the powe...

Страница 136: ...ollowing manner NOTE The Diagnostic Mode is intended for bench testing the relay only Do not use the diagnostic mode in relays that are installed in an active protection scheme For units with the optional HMI panel 1 Press ENTER to begin main menu 2 Press the right arrow button until SETUP UNIT appears in the top line of the display 3 Press ENTER to access the SETUP UNIT menu 4 Press the right arr...

Страница 137: ... as previously outlined Following completion of testing the output contacts can 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 button to highlight ON in uppercase letters which signifies selection The following is displayed RELAY NUMBER 1 off ON 4 Press ENTER Output Relay 1 ...

Страница 138: ...ollowing is displayed INPUT NUMBER 1 8 Use the up button to go to the next input Repeat the procedure using the contacts as shown in Table 6 3 Input Contacts 9 When finished press EXIT to return to the DIAGNOSTIC MODE menu Status LED Test The STATUS LED TEST menu enables the user to check the front panel LED s Individually RESET SYNC TIME OK RELAY PS 1 TARGET CLOSED TARGET PS 2 BRKR OSC TRIG DIAG ...

Страница 139: ...ress EXIT to return to DIAGNOSTIC MODE Expanded I O Test This function is not implemented at this time Button Test NOTE This test is only applicable to units that are equipped with the M 3931 HMI Module The BUTTON TEST menu selection allows the user to check the M 3931 HMI Module Keypad As each button is pressed its name is displayed BECKWITH ELECTRIC CO M 3520 EXIT ENTER a a a a Figure 6 3 M 3931...

Страница 140: ...3 4 SGND 5 6 RTS 7 CTS 8 9 Figure 6 4 COM1 COM2 Loopback Plug 1 When DISPLAY TEST is displayed press the right arrow button until the following is displayed COM1 LOOPBACK TEST COM1 com2 com3 com3 2 Press ENTER The following is displayed COM1 LOOPBACK TEST CONNECT LOOPBACK PLUG 3 Connect the loopback plug to COM1 4 Press ENTER The following is displayed COM1 LOOPBACK TEST 19200 PASS 5 Press ENTER t...

Страница 141: ... The COM3 LOOPBACK TEST 4WIRE allows the user to test the RS 485 rear terminal connections for proper operation 1 When DISPLAY TEST is displayed press the right button until the following is displayed COM3 LOOPBACK TEST 4WIRE com1 com2 COM3 com 2 Press ENTER The following is displayed COM3 LOOPBACK TEST 4 WIRE CONNECT LOOPBACK PLUG 3 On the rear of the unit connect a jumper from terminal 1 to term...

Страница 142: ...long periods of time the clock should be stopped to preserve battery life 7 Repeat steps 2 and 3 to restart the clock Flash Relay OK LED The Flash Relay OK LED function is provided to enabled or disable the flashing of the Relay OK LED This function only has effect while the relay is in normal operating mode and will not be noticed while in Diagnostic Mode The operation of this function may be tes...

Страница 143: ...less than 5 seconds The unit will display the following while the automatic calibration is in progress AUTO CALIBRATION WAIT 6 When the unit has completed calibration the following will be displayed AUTO CALIBRATION DONE 7 The calibration can be checked by using the Monitor Status menu see Section 3 3 Checkout Status Metering For units without the optional M 3931 HMI It is possible to auto calibra...

Страница 144: ...tage Input 1 0o VA 0 Hot Neutral 37 38 Voltage Input 2 120o VB 120 Hot Neutral Figure 6 9 Voltage Inputs Configuration V1 38 39 Voltage Input 1 VA 30 Hot Neutral Voltage Input 2 Hot Neutral VB 90 VC 150 42 43 40 41 30 90 Figure 6 10 Voltage Inputs Configuration V2 46 Current Input 1 IA 0 Polarity 47 48 Polarity 49 Current Input 2 IB 120 50 Polarity 51 Current Input 3 IC 120 Figure 6 11 Current Inp...

Страница 145: ...pending on which functions are to be tested at a given time an order may be determined with the aid of Table 6 1 Functions to Disable When Testing This may result in fewer changes in connections and disable and enable operations During the lifetime of the relay testing of individual functions due to changes in application settings will be more likely than an overall testing routine An index of the...

Страница 146: ... a Define reach as R ohms C ohms O ohms offset O usually set at zero ohms b Define current as I Selected Voltage S3 I R ohms The voltage level may be selected based on the desired test current level 5 Pickup Test Set the three phase voltages to the Selected Voltage value from step 4 Set the phase angle between the voltage and current inputs at A 30 degrees from setting above Hold the TARGET RESET ...

Страница 147: ...tting is as follows a Define reach as R ohms C ohms O ohms offset O usually set at zero ohms b Define current as I Selected Voltage IR ohms The voltage level may be selected based on the desired test current level 5 Pickup Test Set the three phase voltages to the Selected Voltage value from step 4 Set the phase angle between the voltage and current inputs at A degrees from setting above Hold the T...

Страница 148: ... a phase angle difference of more than PA 5 Hold the TARGET RESET button in and slowly decrease the phase angle difference until Output Z LED operates or the pickup indicator operates on the computer target screen The angle difference should be equal to PA 1 Release the TARGET RESET button and increase the angle difference and the OUTPUT LED will go out 4 Upper Voltage Limit Test Apply voltage 5V ...

Страница 149: ... Dead V2 and disable Dead V1 if enabled Set V1 to Nominal Voltage and V2 to DVL 5 V Hold the TARGET RESET button in and slowly decrease the voltage on V2 until Output Z LED operates or the pickup indicator operates on the computer target screen The voltage level should be equal to DVL 0 5 V or 5 Release the TARGET RESET button and increase the voltage level and the OUTPUT LED will go out Set V2 to...

Страница 150: ...Test Setup for configuration Set at Nominal Voltage 4 Pickup Test Hold the TARGET RESET button in and slowly decrease the input voltage on phase A until the 27 PHASE UNDERVOLTAGE LED illuminates or the pickup indicator operates on the computer target screen The level should be equal to P volts 0 5V or 5 Release the TARGET RESET button and increase the input to the nominal voltage and the OUTPUT LE...

Страница 151: ...ase the neutral voltage until 27G NEUTRL UNDERVOLTAGE LED illuminates or the pickup indicator operates on the computer target screen The level should be equal to P volts 0 5V or 5 Release the TARGET RESET button and increase the input to the nominal voltage and the OUTPUT LED will extinguish Press TARGET RESET button to remove targets 5 Time Test With output contacts connected to the timer apply P...

Страница 152: ...d slowly increase the three phase currents for negative or reverse power flow direction the phase angle of the phase currents are set at 180 degrees from the respective phase voltages Increase the currents until the 32 DIRECTIONAL POWER LED light goes on or the pickup indicator operates on the Function Status screen The level of operation will be equal to that calculated in step 4 0 02 PU or 2 7 P...

Страница 153: ...y increase the three phase currents for negative or reverse power flow direction the phase angle of the phase currents are set at 180 degrees from the respective phase voltages Increase the currents until the 32 DIRECTIONAL POWER LED light goes on or the pickup indicator operates on the Function Status screen The level of operation will be equal to that calculated in step 4 0 02 PU or 2 7 Pickup T...

Страница 154: ...For proper testing use current below 3 times CT rating 4 Pickup Test Hold the TARGET RESET button in and slowly increase the three phase current until the NEG SEQ DEF TIME O C 46DT LED illuminates or the pickup indicator operates on the computer screen The level of operation will be equal to Pickup Current P 0 1 Amp 0 02 for 1 Amp units or 3 whichever is higher Release the TARGET RESET button and ...

Страница 155: ...the Pickup P range Calculate the operating time for the applied current and appropriate Time Dial TD setting from the table below Choose 4 or 5 test levels and calculate the operating times for each Standard Curve Testing The operating time will be read from Appendix D Negative Sequence Current Inverse Time Curves for the applied current and appropriate Time Dial TD setting The curve portions exte...

Страница 156: ...nd V3 connections The resulting configuration will be Phase B voltage supplied from voltage source 3 and Phase C voltage supplied from voltage source 2 4 Pickup Test Apply 3 phase voltage 5 volts below pickup P Hold the TARGET RESET button in and slowly increase the voltage applied until the 47 NEG SEQ OVERVOLTAGE LED lights or the pickup indicator operates on the computer target screen The level ...

Страница 157: ...ly increase the Phase A current until the 50 PHASE INST O C 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 A for 1 Amp units or 3 Release the TARGET RESET button and decrease the current and the OUTPUT LED s will extinguish Press TARGET RESET button to remove targets This test may be repeated for each of the other pha...

Страница 158: ...SET button in and slowly increase the neutral current until the 50G NEUTRL INST O C LED illuminates or the pickup indicator operates on the computer target screen The level of operation will be P Amps 0 1A 0 02 A for 1 Amp units or 3 Release the TARGET RESET button and decrease the current and the OUTPUT LED s will extinguish Press TARGET RESET button to remove targets 5 Time Test With output cont...

Страница 159: ...8 t TD x 120 M 1 IEC Class A Standard Inverse IEC Class B Very Inverse IEC Class C Extremely Inverse IEC Class D Long Time Inverse t time in seconds TD Time Dial setting M current in multiples of pickup 6 Voltage Control Test Input voltages at least 5 under the Voltage Control setting V a With output contacts connected to the timer apply current equal to the chosen test level calculated in step 4 ...

Страница 160: ...raphs Choose 4 or 5 test levels and calculate test times for each 5 Time Test With output contacts connected to the timer apply current used in calculations from step 4 and start timing The operating time will be 3 cycles or 5 of calculated time Repeat this step for each test level chosen The tested points verify the operation of this function Curve 5 t TD x 0 14 M0 02 1 Curve 6 t TD x 13 5 M 1 Cu...

Страница 161: ...nt Test Setup for configuration Set Voltages to Nominal voltage 4 Pickup Test Hold the TARGET RESET button in and slowly increase the input voltage on phase A until 59 PHASE OVERVOLTAGE LED light goes on or the pickup indicator operates on the computer target screen The level should be equal to P volts 0 5 V or 5 Release the TARGET RESET button and decrease the input voltages to nominal voltage an...

Страница 162: ...SET button in and slowly increase the voltage applied to Phase A until the 59I PEAK OVERVOLTAGE LED goes on or the pickup indicator operates on the computer target screen The level should be equal to P PU 0 3 PU Release the TARGET RESET button and decrease the input voltage and the OUTPUT LEDs will go out Press TARGET RESET button to remove targets This test may be performed on each phase if desir...

Страница 163: ...e input Neutral voltage until 59G NEUTRL OVERVOLTAGE LED illuminates or the pickup indicator operates on the computer target screen The level should be equal to P volts 0 5 V or 5 Release the TARGET RESET button and decrease the input voltage and the OUTPUT LED s will extinguish Press TARGET RESET button to remove targets 5 Time Test With output contacts being connected to the timer apply P 1 volt...

Страница 164: ...ection 6 1 Equipment Test Setup for configurations 4 Adjust the three phase voltage source to nominal volts and the three phase current source to nominal current 5 Time Test With output contacts connected to the timer remove the A phase voltage input and start timing The operating time will be Y cycles within 1 to 3 cycles and the 60FL V T FUSE LOSS LED and output Z LEDs will light or the pickup i...

Страница 165: ...hat the relay does not operate Reset targets and apply Nominal Voltage to all three phases Apply current 10 less than pickup P to all three phases Hold the TARGET RESET button in and slowly increase the current applied to all phases until the DIR PHASE DEF TIME O C 67DT LED lights or the pickup indicator operates on the computer target screen The level should be equal to P amps 0 1 Amps or 3 Relea...

Страница 166: ...levels represented on the graphs It is suggested that 4 or 5 test levels be chosen 4 Time Test With output contacts being connected to the timer apply input current used in calculations from step 3 to all 3 phases and start timing The operating time will be 3 cycles or 5 of the calculated time Repeat this step for each test level chosen The points tested verify the operation of this function Curve...

Страница 167: ...r u c e g t a l o v l a r t u e N 3 t n e r r u c A e s a h p y l p p a d n a e c n e u q e s e v i t a g e n l l u f h t i w s e g a t l o v e s a h p 3 d e c n a l a B y l n o 4 e p y t n o i t a z i r a l o p s i h T s e i r e s n i d e c a l p C d n a B A s e s a h p t n e r r u c t n e r r u c l a r t u e N o r e z t a t e s s i h c i h w e r u t a e f A S M e l g n A y t i v i t i s n e S m ...

Страница 168: ...to which side of MSA the current has been set Release the TARGET RESET button and swing the current angle away from the MSA and the OUTPUT LED will go out NOTE MSA is not used in type 4 6 Time Delay Test Disable the Directional and Three Phase Detect features if enabled Apply Nominal Voltage to all three phases Apply current 10 less than PI3 for type 3 use P to all three phases With output contact...

Страница 169: ... l p C d n a B A s e s a h P e g a t l o V s e i r e s n i d e c a l p 2 s e i r e s n i d e c a l p C d n a B A s e s a h p t n e r r u c e g t a l o v l a r t u e N 3 t n e r r u c A e s a h p y l p p a d n a e c n e u q e s e v i t a g e n l l u f h t i w s e g a t l o v e s a h p 3 d e c n a l a B y l n o 4 e p y t n o i t a z i r a l o p s i h T s e i r e s n i d e c a l p C d n a B A s e s a...

Страница 170: ...in multiples of pickup 6 Directional Test Enable directional feature Reset targets and apply Nominal Voltage to all three phases Set the current angle to an angle more than 100 from MSA Apply current 10 more than PI3 for type 3 use P to all three phases Hold the Target Reset button in and slowly swing the angle of the currents applied towards the MSA until the RES DIR INV TIME O C 67NIT LED lights...

Страница 171: ...ire Continue to sweep the current angle to point Z2 and verify output Z operates as point Z2 is crossed and resets after the seal in time delay Blocking on Stable Swing Test Reset impedance to a point outside of the mho circle Adjust voltages and currents to point Z0 Press and hold the TARGET RESET button and sweep past point Z1 Verify the OUT OF STEP 78 LED comes on or the function status indicat...

Страница 172: ...ee phase source to Nominal Voltage 4 Setup Remove the A phase voltage input to cause Function 27 to trip Output R Output R will trip after Function 27 times out 5 Time Test With output contacts connected to the timer reapply the A phase voltage input and start timing The operation time will be D cycles within 2 cycles 6 Press TARGET OUTPUT RESET pushbutton to remove targets 7 If testing is complet...

Страница 173: ...owly decrease the frequency on the input voltage s until the FREQUENCY 81 LED illuminates or the pickup indicator operates on the computer target screen The level of operation will be equal to P Hz 0 02 Hz from 57 to 63 47 to 53 otherwise the accuracy is 0 1 Hz Return to nominal input frequency and the OUTPUT LED s will extinguish Press TARGET RESET button to remove targets 5 Time Test With output...

Страница 174: ...e outputs to an input with jumpers and set the 81R function to block on this input Set the time delays and seal in times of the 81 functions to minimum This will result in an operational window that is free of erroneous Hz S measurements when the voltage source begins or ends the sweep F81 1 Block 81R Active Region F81 2 Block 56 5 Hz 57 5 Hz 60 Hz 62 5 Hz 63 5 Hz Using this setup it is important ...

Страница 175: ...h output contacts connected to a timer apply a sweep rate 25 above P and start timing The contacts will close after D cycles within 1 to 3 cycles or 3 8 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 point ...

Страница 176: ...enus This form records definition of the parameters necessary for communication with the relay as well as access codes user logo iden tifying lines date time setting and front pan el display operation The Functional Configuration Record Form re produces the Configure Relay menus including the Setup Relay submenu accessible via M 3822 IPScom Communication Software or the optional M 3931 HMI front p...

Страница 177: ...d function blocking input s OUTPUTS Columns Designated function output s Table A 1 Relay Configuration Table N O I T C N U F D S T U P T U O S T U P N I 8 7 6 5 4 3 2 1 L F 6 5 4 3 2 1 1 1 2 2 1 2 5 2 1 7 2 2 7 2 G 7 2 1 2 3 2 2 3 T D 6 4 T I 6 4 1 7 4 2 7 4 0 5 G 0 5 G 1 5 V 1 5 1 9 5 2 9 5 I 9 5 G 9 5 L F 0 6 T D 7 6 T I 7 6 T D N 7 6 T I N 7 6 8 7 9 7 1 1 8 2 1 8 3 1 8 4 1 8 1 R 1 8 2 R 1 8 ...

Страница 178: ...ot move around within the menus E 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 highlight ed immediately F The ENTER button records the setting change and moves down within a menu The operator will notice that after the last menu item ENTER moves to the top of the...

Страница 179: ...vel 3 LEVEL 1 ________ ENTER ACCESS CODE level 1 LEVEL 2 level 3 LEVEL 2 ________ ENTER ACCESS CODE level 1 level 2 LEVEL 3 LEVEL 3 ________ USER CONTROL NUMBER vers sn access NUMBER USER CONTROL NUMBER ________ COMMUNICATION COMM setup exit COM1 SETUP COM1 com2 com3 com_adr COM1 BAUD RATE baud_4800 baud_9600 COM2 SETUP com1 COM2 com3 com adr COM2 BAUD RATE baud_4800 baud_9600 COM2 DEAD SYNC TIME ...

Страница 180: ...DATE DATE TIME SUN mon tue wed thu DATE TIME ________ Hour DATE TIME ________ Minutes DATE TIME ________ Seconds CLEAR ERROR CODES time ERROR diag CLEAR ERROR CODES PRESS ENTER KEY TO CLEAR DIAGNOSTIC MODE time error DIAG PROCESSOR WILL RESET ENTER KEY TO CONTINUE NOTE See Section 6 2 Diag nostic Test Procedures Figure A 2 Communication Data Unit Setup Record Form 2 of 2 ...

Страница 181: ...LAY OUTPUT o8 o7 o6 o5 o4 o3 o2 o1 47 1 NEG SEQ OVERVOLT disable enable 47 1 BLOCK INPUT fl i6 i5 i4 i3 i2 i1 47 1 RELAY OUTPUT o8 o7 o6 o5 o4 o3 o2 o1 47 2 NEG SEQ OVERVOLT disable enable 47 2 BLOCK INPUT fl i6 i5 i4 i3 i2 i1 47 2 RELAY OUTPUT o8 o7 o6 o5 o4 o3 o2 o1 59I PEAK OVERVOLTAGE disable enable 59I BLOCK INPUT fl i6 i5 i4 i3 i2 i1 59I RELAY OUTPUT o8 o7 o6 o5 o4 o3 o2 o1 CONFIGURE RELAY C...

Страница 182: ...NCY disable enable 81 4 BLOCK INPUT fl i6 i5 i4 i3 i2 i1 81 4 RELAY OUTPUT o8 o7 o6 o5 o4 o3 o2 o1 81R 1 RATE OF CHNG FREQ disable enable 81R 1 BLOCK INPUT fl i6 i5 i4 i3 i2 i1 81R 1 RELAY OUTPUT o8 o7 o6 o5 o4 o3 o2 o1 81R 2 RATE OF CHNG FREQ disable enable 81R 2 BLOCK INPUT fl i6 i5 i4 i3 i2 i1 81R 2 RELAY OUTPUT o8 o7 o6 o5 o4 o3 o2 o1 Figure A 3 Functional Configuration Record Form 2 of 3 67NI...

Страница 183: ...CTIONAL POWER disable enable 32 2 BLOCK INPUT fl i6 i5 i4 i3 i2 i1 32 2 RELAY OUTPUT o8 o7 o6 o5 o4 o3 o2 o1 CONFIGURE RELAY PHASE_DISTANCE_RELAY 21 1 PHASE DISTANCE disable enable 21 1 BLOCK INPUT fl i6 i5 i4 i3 i2 i1 21 1 RELAY OUTPUT o8 o7 o6 o5 o4 o3 o2 o1 21 2 PHASE DISTANCE disable enable 21 2 BLOCK INPUT fl i6 i5 i4 i3 i2 i1 21 2 RELAY OUTPUT o8 o7 o6 o5 o4 o3 o2 o1 78 OUT OF STEP disable e...

Страница 184: ...ICKUP ________ Volts 59 2 DELAY ________ Cycles 27G NEUTRAL UNDERVOLTAGE INUTRL_UNDER nutrl_overJ 27G PICKUP ________ Volts 27G DELAY ________ Cycles 59G NEUTRAL OVERVOLTAGE Inutrl_under NUTRL_OVERJ 59G PICKUP ________ Volts 59G DELAY ________ Cycles 47 NEG SEQ OVERVOLTAGE I NEG_SEQ peak_over 47 1 PICKUP ________ Volts 47 1 DELAY ________ Cycles 47 2 PICKUP ________ Volts 47 2 DELAY ________ Cycle...

Страница 185: ...E def inv vinv einv 51G CURVE iec1 iec2 iec3 iec4 51G TIME DIAL ________ 51G DIRECTIONAL ELEMENT disable enable 46 NEG SEQ OVERCURRENT NEG_SEQ dir n_dir 46DT PICKUP ________ Amps 46DT DELAY ________ Cycles 46IT PICKUP ________ Amps 46IT CURVE def inv vinv einv 46IT CURVE iec1 iec2 iec3 iec4 46IT TIME DIAL ________ Figure A 4 Setpoint Timing Record Form 2 of 4 67 DIR OVERCURRENT neg_seq DIR n_dir 6...

Страница 186: ...______ PU 32 2 OVER UNDER POWER Over_Power Under_Power 32 2 DELAY ________ Cycles PHASE DISTANCE RELAY DIST fuse sync 21 PHASE DISTANCE DIST 21 1 DIAMETER ________ Ohms 21 1 OFFSET ________ Ohms 21 1 IMPEDANCE ANGLE ________ Degrees 21 1 DELAY ________ Cycles 21 2 DIAMETER ________ Ohms 21 2 OFFSET ________ Ohms 21 2 IMPEDANCE ANGLE ________ Degrees 21 2 DELAY ________ Cycles Figure A 4 Setpoint T...

Страница 187: ...___ Volts 25 SYNC CHECK DELAY ________ Cycles 25 DELTA VOLT disable enable 25 DELTA VOLT LIMIT ________ Volts 25 DELTA FREQUENCY disable enable 25 DELTA FREQUENCY LIMIT ________ Hz 25 DEAD VOLT LIMIT ________ Volts Figure A 4 Setpoint Timing Record Form 4 of 4 25 DEAD V1 disable enable 25 DEAD V2 disable enable 25 DEAD V1 V2 disable enable 25 DEAD INPUT ENABLE i6 i5 i4 i3 i2 i1 25 DEAD DELAY _____...

Страница 188: ...rs sn ACCESS number ENTER ACCESS CODE LEVEL 1 level 2 level 3 LEVEL 1 1111 ENTER ACCESS CODE level 1 LEVEL 2 level 3 LEVEL 2 2222 ENTER ACCESS CODE level 1 level 2 LEVEL 3 LEVEL 3 9999 USER CONTROL NUMBER vers sn access NUMBER USER CONTROL NUMBER 1 COMMUNICATION COMM setup exit COM1 SETUP COM1 com2 com3 com_adr COM1 BAUD RATE baud_4800 BAUD_9800 COM2 SETUP com1 COM2 com3 com adr COM2 BAUD RATE bau...

Страница 189: ...e DATE TIME SUN mon tue wed thu DATE TIME 01 Hour DATE TIME 01 Minutes DATE TIME 01 Seconds CLEAR ERROR CODES time ERROR diag CLEAR ERROR CODES PRESS ENTER KEY TO CLEAR DIAGNOSTIC MODE time error DIAG PROCESSOR WILL RESET ENTER KEY TO CONTINUE NOTE See Section 6 2 Diag nostic Test Procedures Figure A 5 Communication Data Unit Setup As Shipped 2 of 2 ...

Страница 190: ...UNAVAILABLE CONFIGURE RELAY CURRENT_RELAY 50 INST OVERCURRENT FUNCTION UNAVAILABLE 51V OVERCURRENT INV FUNCTION UNAVAILABLE 50G NTRL INST OVERCURRNT FUNCTION UNAVAILABLE 51G NTRL OVERCURRENT INV FUNCTION UNAVAILABLE 46 NEG SEQ CURRENT FUNCTION UNAVAILABLE 67 PHASE DIR OVERCURRENT FUNCTION UNAVAILABLE 67N RESIDUAL DIR OVERCUR FUNCTION UNAVAILABLE Figure A 6 Functional Configuration As Shipped 1 of ...

Страница 191: ...5 i4 i3 i2 I1 60FL RELAY OUTPUT o8 O7 o6 o5 o4 o3 o2 o1 CONFIGURE RELAY SYNC_CHECK_RELAY 25 SYNC CHECK FUNCTION UNAVAILABLE Figure A 6 Functional Configuration Record Form As Shipped 2 of 2 CONFIGURE RELAY RECONNECT_RELAY 79 RECONNECT disable ENABLE 79 BLOCK INPUT fl i6 i5 i4 i3 i2 i1 79 RELAY OUTPUT O8 o7 o6 o5 o4 o3 o2 o1 ...

Страница 192: ...EAK_OVER FUNCTION S DISABLED SEE CONFIGURE MENU Figure A 7 Setpoint Timing As Shipped 1 of 2 CURRENT RELAY volt CURR freq pwr 50 INST OVERCURRENT INST inv FUNCTION S DISABLED SEE CONFIGURE MENU 51V INV TIME OVERCURRENT inst INV FUNCTION S DISABLED SEE CONFIGURE MENU 50G INST OVERCURRENT NUTRL_INST nutrl_inv FUNCTION S DISABLED SEE CONFIGURE MENU 51G INV TIME OVERCURRENT nutrl_inst NUTRL_INV FUNCTI...

Страница 193: ...urr FREQ pwr 81 FREQUENCY FREQ rcfreq FUNCTION S DISABLED SEE CONFIGURE MENU 81 RATE OF CHNG FREQ freq RCFREQ FUNCTION S DISABLED SEE CONFIGURE MENU Figure A 7 Setpoint Timing As Shipped 2 of 2 V T FUSE LOSS RELAY dist FUSE sync 60FL V T FUSE LOSS FUSE 60FL INPUT INITIATE FL i6 i5 i4 i3 i2 i1 60FL DELAY 30 Cycles SYNC CHECK RELAY dist fuse SYNC 25 SYNC CHECK SYNC FUNCTION S DISABLED SEE CONFIGURE ...

Страница 194: ...nated function blocking input s OUTPUTS Columns Designated function output s Table A 2 M 3520 Configuration As Shipped N O I T C N U F D S T U P T U O S T U P N I 8 7 6 5 4 3 2 1 L F 6 5 4 3 2 1 1 1 2 2 1 2 5 2 1 7 2 2 7 2 G 7 2 1 2 3 2 2 3 T D 6 4 T I 6 4 1 7 4 2 7 4 0 5 G 0 5 G 1 5 V 1 5 1 9 5 2 9 5 I 9 5 G 9 5 L F 0 6 T D 7 6 T I 7 6 T D N 7 6 T I N 7 6 8 7 9 7 1 1 8 2 1 8 3 1 8 4 1 8 1 R 1 8 2...

Страница 195: ...A 20 M 3520 Instruction Book This Page Intentionally Left Blank ...

Страница 196: ...rted RTU only 3 Standard baud rates from 300 to 9600 are supported 4 Only the following MODBUS commands are supported a Read holding register function 03 b read input register function 04 B Appendix B Communications c Force single coil function 05 d Preset single register function 06 6 MODBUS does not support oscillograph record downloading For detailed information on communications refer to Chapt...

Страница 197: ... n i m r e T a t a D 4 n i P 4 n i P F C D C D t c e t e D r e i r r a C a t a D 1 n i P B A D N G d n u o r G l a n g i S 5 n i P 5 n i P V 5 1 1 n i P V 5 1 9 n i P B G I R I 6 n i P s r e p m u J d n a s e h c t i w S d r a o B t i u c r i C 5 5 e e s L A N O I T P O V 5 1 x a m A m 0 0 1 5 1 Table B 1 Communication Port Signals 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 PC DB9S M 3520 COM1 COM2 DB9P ...

Страница 198: ...P 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 199: ...otential difference between units the units should be mounted in the same rack If this is not possible fiber optics with the appropriate converters should be used for isolation The two wire topology is preferable to the four wire as circuitry within the relay provides some isolation Four wire operation is only available when the four wire RS 485 option is selected at the time of purchase NOTE Each...

Страница 200: ... o p t e s e t i r w M O R P E E 9 l i a f k c o l b l a c i s y h p m u s k c e h c A M D 0 1 l i a f t s e T y r o m e M h p a r g o l l i c s O 1 1 l i a f M A R m a r g o r p l a n r e t x e P S D 2 1 l i a f t r e v n o c D A P S D 3 1 l i a f l e n n a h c d n u o r g P S D 4 1 l i a f l e n n a h c e c n e r e f e r P S D 5 1 l i a f n i a g A G P P S D 6 1 l i a f 1 t p u r r e t n i t s o...

Страница 201: ...c e r n U 2 3 l i a f g o d h c t a w e t a d p u s e u l a V 3 3 r o r r e t r o b A 4 3 r o r r e t r a t s e R 5 3 r o r r e t p u r r e t n I 6 3 r o r r e p a r T 7 3 l i a f k c e h c g n i n n u r n o i t a r b i l a C 8 3 9 3 0 4 e s i o n t p u r r e t n i d e e p s h g i h 7 8 1 4 2 4 3 4 4 4 w o l f r e v o r e f f u b h p a r g o l l i c s O 5 4 w o l f r e d n u r e f f u b h p a r g ...

Страница 202: ...Inverse Time Curves Appendix D D 1 D Appendix D Inverse Time Curves This Appendix contains Inverse Time Curve Families for M 3520 Intertie Protection Relay functions 46 51V 51G 67 and 67N ...

Страница 203: ...8 4 6 7 3 0 8 4 3 1 9 1 9 1 5 0 8 1 3 9 0 9 2 1 9 4 2 1 2 1 8 7 2 7 6 1 6 8 6 6 5 1 0 2 2 0 3 2 4 5 5 6 3 0 3 9 2 5 3 0 7 5 2 2 7 1 4 9 0 4 5 1 2 1 8 2 1 1 6 2 6 1 0 1 0 2 8 7 4 1 8 6 2 2 3 1 0 4 2 0 5 2 5 1 1 4 3 0 8 1 0 3 3 0 4 0 1 9 3 1 1 6 5 6 2 1 7 0 2 2 9 0 0 9 1 4 8 0 0 5 2 9 1 1 1 2 2 8 0 1 0 6 2 0 7 2 9 9 9 1 3 0 7 5 0 1 3 0 5 4 9 5 1 1 1 7 8 6 0 1 1 0 3 7 7 0 4 3 3 1 7 0 0 8 7 8 9 0 6 2 ...

Страница 204: ... 4 1 2 0 0 0 3 1 2 0 1 5 2 6 2 0 3 0 8 5 2 0 1 6 9 5 1 0 6 3 7 5 1 0 4 4 1 1 1 0 8 6 7 0 1 0 0 6 8 0 8 8 3 0 2 1 2 0 1 1 1 1 2 0 8 8 3 5 2 0 7 0 0 5 2 0 4 3 5 5 1 0 4 5 3 5 1 0 2 2 4 0 1 0 5 0 1 0 1 0 0 0 9 0 5 9 5 2 0 1 2 0 3 1 8 0 2 0 0 6 6 4 2 0 5 3 9 3 2 0 7 9 1 5 1 0 0 7 7 4 1 0 4 1 8 9 0 0 0 7 0 9 0 0 0 0 0 1 0 5 0 1 0 4 7 0 2 0 7 6 6 0 2 0 2 2 4 3 2 0 3 2 9 2 2 0 3 7 4 4 1 0 0 8 1 4 1 0 4 7...

Страница 205: ...e Overcurrent Curve l C c o Q en 5 Q E 1 10 1 0 1 0 01 1 r i I I I Current in Multiples of Pickup I 11 9 7 4 3 2 of c m am r I f f 10 100 l C c o Q en 5 Q E 1 10 1 0 1 0 01 1 r 0 r r r r I t r I t Current in Multiples of Pickup 11 9 7 4 3 2 k I i 10 100 ...

Страница 206: ...C c 8 Q en 5 Q E 1 10 1 0 1 0 01 1 I 1 1 r 1 l 1 1 Current in Multiples of Pickup 1 1 t i r I 11 t I 9 r r 7 J I r I 2 r r 1 r r n I 10 100 en C c 8 Q en 5 Q E 1 10 1 0 1 0 01 1 I 1 1 r 1 l 1 1 Current in Multiples of Pickup 1 1 t i r I 11 t I 9 r r 7 J I r I 2 r r 1 r r n I 10 100 ...

Страница 207: ...Overcurrent Curve C c o Q en 5 Q E F 10 1 0 1 0 01 1 1 1 I r r 1 1 Current in Multiples of Pickup 11 a 7 I 5 A 3 2 1 5 10 100 C c o Q en 5 Q E F 10 1 0 1 0 01 1 1 1 1 I i 1 f r I l i r i r I r I l i 1 1 1 r I 10 Current in Multiples of Pickup 11 7 A 2 1 5 100 ...

Страница 208: ...Time Overcurrent Curve en C c o CD en S CD E F 1 0 1 0 1 0 01 1 r 0 l I i 1 1 Current in Multiples of Pickup I 1 11 i F 4 i 3 2 1 1 5 10 100 en C c o CD en S CD E F 1 0 1 0 1 0 01 1 I i 1 0 l 1 I I I 1 1 Current in Multiples of Pickup l I I r 1 11 1 4 3 2 1 5 10 100 ...

Страница 209: ... 3520 Instruction Book Figure D 5 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 t TD x 0 14 M0 02 1 ...

Страница 210: ...me Curves Appendix D D 9 Figure D 6 IEC Curve 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 t TD x 13 5 M 1 ...

Страница 211: ...20 Instruction Book Figure D 7 IEC Curve 3 Extremely 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 t TD x 80 M2 1 ...

Страница 212: ... Curves Appendix D D 11 Figure D 8 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 Time in Seconds 1 1 1 0 9 0 8 0 6 0 4 0 2 K 05 t TD x 120 M 1 ...

Страница 213: ...D 12 M 3520 Instruction Book This Page Intentionally Left Blank ...

Страница 214: ...module is the M 3520 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 3520 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 For ...

Страница 215: ...it will enter the selftest mode 4 Install IPSutilTM Communications Software see Section 4 6 IPSutil Communications Software on a PC that includes the following Microsoft WindowsTM 95 Operating System or above Equipped with a serial port 5 Connect a null modem cable from COM1 of the relay to the PC serial port IPSutil supports COM1 port direct connection only IPSutil is not supported through COM2 o...

Страница 216: ... 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 th...

Страница 217: ...ITH ELECTRIC CO INC 6190 118th Avenue North Largo Florida 33773 3724 U S A PHONE 727 544 2326 FAX 727 546 0121 E MAIL marketing beckwithelectric com WEB PAGE www beckwithelectric com Beckwith Electric Co Printed in USA 800 3520 IB 09MC1 10 07 ...

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