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Eaton Digitrip 3000 series, Installation, Operation And Maintenance Instructions

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Eaton Digitrip 3000 series Installation, Operation And Maintenance Instructions Download Page 69

DT3000

                    Instruction Leaflet

I.B. 17555D

Effective:  Date 07/02

                                     Page 65

For more information visit: 

www.cutler-hammer.eaton.com

Supersedes I.B. 17555C dated November 1999

FIG. A-4  DIGITRIP 3001 TYPICAL AC OR DC SCHEMATIC

FIG. A-5  DIGITRIP 3001 TYPICAL AC EXTERNAL

CURRENT CONNECTION WITH ZERO SEQUENCE

GROUND CT

FIG. A-6  DIGITRIP 3001 TYPICAL RESIDUAL GROUND

CONNECTION

Summary of Contents for Digitrip 3000 series

Page 1: ...Effective July 2002 Supersedes I B 17555C dated November 1999 I B 17555D INSTRUCTIONS FOR INSTALLATION OPERATION AND MAINTENANCE OF THE CUTLER HAMMER DIGITRIP 3000 SERIES OF PROTECTIVE RELAYS...

Page 2: ...Effective July 2002 Supersedes I B 17555C dated November 1999...

Page 3: ...Effective July 2002 Supersedes I B 17555C dated November 1999...

Page 4: ...XTERNAL HARDWARE 18 SECTION 3 OPERATION 20 3 1 INTRODUCTION 20 3 2 POWER UP AND SELF TESTING 20 3 3 PANEL OPERATIONS 20 3 3 1 CHARACTERISTIC CURVE 20 3 3 2 PROGRAM MODE 26 3 3 3 PROGRAMMING OVERVIEW 2...

Page 5: ...SIDERATIONS 67 A6 0 DRAWOUT OPERATION 67 A6 1 INSERTING THE RELAY 67 A6 2 REMOVING THE RELAY 68 APPENDIX B 69 B1 0 INTRODUCTION 69 B2 0 GENERAL DESCRIPTION 69 B3 0 FUNCTIONAL DESCRIPTION 71 B4 0 INSTA...

Page 6: ...er Hammer representative TABLE 1 1 DT3000 PROTECTIVE RELAY FAMILY STYLES DT3000 NEW STYLE DT3000 OLD STYLE CATALOG DESCRIPTION NOTES 4D13120G21 4D13120G11 DT3000 Protective Relay Standard FW HR PS PM...

Page 7: ...NT ANY WIRING INSTRUCTIONS PRESENTED IN THIS DOCUMENT MUST BE FOLLOWED PRECISELY FAILURE TO DO SO COULD CAUSE PERMANENT EQUIPMENT DAMAGE BODILY INJURY OR DEATH 1 2 GENERAL INFORMATION The Digitrip 300...

Page 8: ...1 2 minutes Programming and test mode security is provided by a sealed hinged access cover on the front of the relay Direct reading displays indicate the value currently being considered while multi...

Page 9: ...pictorial representation of characteristic curve shapes is provided on the face of the relay for reference purposes All Digitrip 3000 Protective Relays have zone selective interlocking capabilities f...

Page 10: ...SECTION 2 FUNCTIONAL DESCRIPTION 2 1 PROTECTION TESTING AND COMMUNICATION CAPABILITIES 2 1 1 RMS SENSING Digitrip 3000 Protective Relays provide true RMS sensing for proper correlation with the therma...

Page 11: ...ayed in the Settings window Phase Inverse Time Overcurrent Pickup The available pickup settings for the standard DT3000 shown below range from 0 20 to 2 2 times In Phase Element Inverse Time Overcurre...

Page 12: ...ed the instantaneous protective function is disabled and a choice of whether to turn the discriminator option on DON or off DOFF is offered The discriminator is a true making current release When the...

Page 13: ...700 0 725 0 750 0 775 0 800 0 825 0 850 0 875 0 900 0 925 0 950 0 975 1 00 10 See Notes 1 2 5 0 05 seconds 10 See Notes 1 2 4 10 See Notes 1 2 3 4 IT SC 5401 92B I2T SC 5400 92B I4T SC 5399 92B FLAT S...

Page 14: ...Sec 5 Sec 10 Sec 30 Sec 1 min 2 min 5 min 5 min Chicago version FREQUENCY 50 Hz 60 Hz PHASE CT RATIO 5 10 25 50 75 100 150 200 250 300 400 500 600 630 800 1000 1200 1250 1500 1600 2000 2400 2500 3000...

Page 15: ...or entered incorrectly the Operational LED will blink Red and the relay will display PRGM in the Settings Display window This means the program settings should be re entered and saved 2 1 5 INTEGRAL T...

Page 16: ...rsedes I B 17555C dated November 1999 over a shielded twisted pair of conductors The receiving terminal is a remote mounted master computer IBM compatible Refer to Figure 2 1 for a typical communicati...

Page 17: ...CONI 3 CARD MUST BE INSERTED INTO THE COMPUTER ISA BUS CUSTOMER TO SUPPLY A COMPUTER AND MODULAR TELEPHONE CONNECTOR TYPE RJ11 AND WIRE PER VIEW A GROUND SHIELDING AT ONE PLACE ONLY COMPUTER END RECO...

Page 18: ...ximately 2 1 2 minutes Note Each Digitrip 3000 is shipped from the factory with nominal protection settings The user should program the relay before putting it into service as these nominal values may...

Page 19: ...eing viewed in the unit s normal operating mode The LED will blink red whenever the load current exceeds the inverse time overcurrent pickup set point If the relay trips on inverse time overcurrent th...

Page 20: ...hown below Trip Contacts Dip Switch OFF Position Dip Switch ON Position TB 12 13 Phase Ground Trip Inst Ground Trip Inst OC TB 14 15 Phase Ground Trip OC Communications Phase Trip Inst OC Communicatio...

Page 21: ...wer connections Terminal 4 is the connection for equipment ground Terminal 9 and 10 provide for connection to a required dry 52b contact and to a 52 TOC contact from the circuit breaker When the relay...

Page 22: ...rip due to an inverse time overcurrent or short time function The contact also operates when the communication interface initiates an action to open the circuit breaker With DIP Switch S3 in the ON po...

Page 23: ...ansient Immunity to 10V M IEC 255 22 4 1989 Electrical Fast Transient Immunity to 10V M EN61000 4 5 1995 Surge Immunity 2 1KV C DM EN61000 4 6 1996 RF conducted Immunity to 10Vo EN61000 4 11 1994 Volt...

Page 24: ...es the operation and functional use of the Digitrip 3000 Protective Relay It does not address in detail rear power connections and DIP switch settings These topics are covered in SECTION 5 entitled IN...

Page 25: ...through 3 9 Notice that there is no horizontal movement of the ANSI and IEC curve shapes Only the point at which the relay starts to time out moves along the curve shape b Nominal Continuous Current...

Page 26: ...ally true when a number of protective functions such as inverse time overcurrent and short delay protection are combined into one cooperative curve Figure 3 8 shows a typical time current curve that h...

Page 27: ...00 Instruction Leaflet I B 17555D Effective Date 07 02 Page 23 For more information visit www cutler hammer eaton com Supersedes I B 17555C dated November 1999 Fig 3 2 Digitrip 3000 Typical Wiring Dia...

Page 28: ...r somewhat from a true rms ampere value if a significant percentage harmonic current is present Ground Fault Protection The ground fault protection function can be a composite of the ground 1 Inverse...

Page 29: ...rotective needs 1 When NONE is selected as a setting the associated tripping function is disabled 2 When NONE is selected for the Phase Instantaneous Setting a Phase Discriminator option is offered 3...

Page 30: ...de 5 The Program Mode is also exited if the Reset pushbutton is pressed and released or if there is no programming activity for approximately 2 1 2 minutes To enter the Program Mode open the protectiv...

Page 31: ...s to the High Load Setting The High Load LED will blink green and the last programmed value for the High Load time setting will appear in the alphanumeric display Once this selection is made and the S...

Page 32: ...d Lower pushbuttons will move the display between the set points for each of the four groups Within a group the set points move horizontally Table 2 2 Pressing and releasing the Test pushbutton will i...

Page 33: ...aults should be cleared as quickly as possible Zone selective interlocking provides this capability better than a system with only selective coordination When the Ground Zone Interlocking feature is u...

Page 34: ...eparate from power conductors Jumper on devices in last zone used to provide time delay per inverse time overcurrent or short delay time setting If the jumper is not used the Digitrip 3000 will initia...

Page 35: ...eparate from power conductors Jumper on devices in last zone used to provide time delay per inverse time overcurrent or short delay time setting If the jumper is not used the Digitrip 3000 will initia...

Page 36: ...nting in the desired location Digitrip 3000 Protective Relay dimensions are shown in Figure 5 2 It is necessary to hold the tolerances shown when making the cutouts and placing the holes for the mount...

Page 37: ...ation refer to Paragraph 2 2 2 5 4 WIRING The wiring of the Digitrip 3000 Protective Relay must follow a suitable wiring plan drawing The term wiring plan as used here refers to the drawings made for...

Page 38: ...identified to be internal the unit should be returned to the factory for repair or replacement as described in the Replacement section below 6 1 1 STORAGE The Digitrip 3000 Protective Relay should be...

Page 39: ...T THE PROTECTIVE RELAY FROM THE FRONT SIDE WHEN THE SCREWS ARE LOOSENED OR REMOVED WITHOUT SUCH SUPPORT THE PROTECTIVE RELAY COULD FALL OR THE PANEL COULD BE DAMAGED Step 6 Mount the replacement unit...

Page 40: ...are Invalid Reprogram Set points Paragraph 3 3 2 PGRM Appears in Settings Display Window Check sum did not Match Replace Protective Relay if PGRM Reappears After Saving Settings Paragraph 6 3 There wa...

Page 41: ...15 Check that Trip Contact on Protective Relay makes Figure 3 1 Figure 3 1 Protective Relay Indicates a Trip but Circuit Breaker Doesn t Open Unit in Test Mode with No Trip Test Selected Select Trip T...

Page 42: ...0 1 1 10 100 Multiple of In I In Trip Time seconds 5 Seconds at 3 per Unit 40 Seconds at 3 per Unit 0 2 Seconds at 3 per Unit Minimum Pickup 0 2 Maximum Pickup 2 2 Adjustable Inverse Time Overcurrent...

Page 43: ...1 10 100 Multiple of In I In Trip Time seconds 5 Seconds at 3 per Unit 40 Seconds at 3 per Unit 0 2 Seconds at 3 per Unit Minimum Pickup 0 2 Maximum Pickup 1 0 Adjustable Inverse Time Overcurrent Pick...

Page 44: ...00 00 1000 00 10000 00 0 1 1 10 100 Multiple of In I In Trip Time seconds 5 Seconds at 3 per Unit 40 Seconds at 3 per Unit 0 2 Seconds at 3 per Unit Minimum Pickup 0 2 Maximum Pickup 2 2 Adjustable In...

Page 45: ...0 1000 00 10000 00 0 1 1 10 100 Multiple of In I In Trip Time seconds 5 Seconds at 3 per Unit 40 Seconds at 3 per Unit 0 2 Seconds at 3 per Unit Minimum Pickup 0 2 Maximum Pickup 1 0 Adjustable Invers...

Page 46: ...100 00 1000 00 0 1 1 10 100 Multiple of In I In Trip Time seconds 0 2 Seconds at 3 per Unit 40 Seconds at 3 per Unit 5 Seconds at 3 per Unit Minimum Pickup 0 2 Maximum Pickup 2 2 Adjustable Inverse T...

Page 47: ...1 10 100 Multiple of In I In Trip Time seconds 0 2 Seconds at 3 per Unit 40 Seconds at 3 per Unit 5 Seconds at 3 per Unit Minimum Pickup 0 2 Maximum Pickup 2 2 Adjustable Invers e T im e O vercurrent...

Page 48: ...5393 92B DT 3100 DT 3101 Users See Figure 7 4b 0 01 0 10 1 00 10 00 100 00 1000 00 0 1 1 10 100 Multiple of In Value Trip Time seconds 0 2 Seconds 2 Seconds Minimum Pickup 0 2 Maximum Pickup 2 2 Adju...

Page 49: ...s SC 5393 92B For DT 3100 DT 3101 Users Only 0 01 0 10 1 00 10 00 100 00 1000 00 0 1 1 10 100 Multiple of In Value Trip Time seconds 0 2 Seconds 2 Seconds Minimum Pickup 0 2 Maximum Pickup 1 0 Adjusta...

Page 50: ...4 92B 0 01 0 10 1 00 10 00 100 00 1000 00 10000 00 0 1 1 10 100 Multiple of In Value Trip Time seconds Highest Pickup With Longest Time Typical Inverse Time Overcurrent Function Lowest Pickup With Sho...

Page 51: ...0 01 0 10 1 00 10 00 100 00 1000 00 10000 00 0 1 1 10 100 Multiple of In Value Trip Time seconds Typical Short Delay Time Function Typical Inverse Time Overcurrent Function Inverse Time Overcurrent P...

Page 52: ...5396 92B 0 01 0 10 1 00 10 00 100 00 1000 00 10000 00 0 1 1 10 100 Multiple of In Value Trip Time seconds Phase Lowest Setting Phase Highest Setting Ground Lowest Setting Ground Highest Setting Adjus...

Page 53: ...p Time seconds 0 2 Seconds at 1 per Unit Minimum Pickup 0 1 Maximum Pickup 2 0 Adjustable Inverse Time Overcurrent Ground Pickup x In 0 1 2 0 None Adjustable Inverse Time Overcurrent Time Multiplier G...

Page 54: ...0 1000 00 10000 00 0 1 1 10 100 Multiple of In I In Trip Time seconds 5 Seconds at 1 per Unit 0 2 Seconds at 1 per Unit Minimum Pickup 0 1 Maximum Pickup 2 0 40 Seconds at 1 per Unit AdjustableInverse...

Page 55: ...10 100 Multiple of In I In Trip Time seconds 5 Seconds at 1 per Unit 0 2 Seconds at 1 per Unit Minimum Pickup 0 1 Maximum Pickup 2 0 Adjustable Inverse Time Overcurrent Pickup x In 0 1 2 0 None Adjust...

Page 56: ...Curves SC 5402 92B 0 01 0 10 1 00 10 00 100 00 1000 00 0 1 1 10 100 Multiple of In Value Trip Time seconds Lowest Pickup and Shortest Time Highest Pickup and Longest Time Adjustable Inverse Time Over...

Page 57: ...ay Ground Curves SC 5403 92B 0 01 0 10 1 00 10 00 100 00 1000 00 0 1 1 10 100 Multiple of In Value Trip Time seconds Lowest Pickup and Shortest Time Highest Pickup and Longest Time Adjustable Short De...

Page 58: ...999 Figure 7 13 ANSI Moderately Inverse Curves SC 6685 96 0 01 0 10 1 00 10 00 100 00 1000 00 1 10 100 Multiple of Pickup Current I Ipu Trip Time seconds 3 5 2 1 0 5 0 3 0 2 0 1 Time Multiplier Adjust...

Page 59: ...1999 Figure 7 14 ANSI Very Inverse Curves SC 6686 96 0 01 0 10 1 00 10 00 100 00 1000 00 1 10 100 Multiple of Pickup Current I Ipu Trip Time seconds 3 5 2 1 0 5 0 3 0 2 0 1 Adjustable Time Multiplier...

Page 60: ...Extremely Inverse Curves SC 6687 96 0 01 0 10 1 00 10 00 100 00 1000 00 1 10 100 Multiple of Pickup Current I Ipu Trip Time seconds 3 5 2 1 0 5 0 3 0 2 0 1 Time Multiplier Adjustable Time Multiplier...

Page 61: ...gure 7 16 IEC A Moderately Inverse Curves SC 6688 96 0 01 0 10 1 00 10 00 100 00 1000 00 1 10 100 Multiple of Pickup Current I Ipu Trip Time seconds 0 7 0 05 0 15 1 0 5 0 3 0 2 0 1 Adjustable Time Mul...

Page 62: ...ery Inverse Curves SC 6689 96 0 01 0 10 1 00 10 00 100 00 1000 00 1 10 100 Multiple of Pickup Current I Ipu Trip Time seconds 0 7 0 05 0 15 1 0 5 0 3 0 2 0 1 Adjustable Time Multiplier 0 05 1 00 Toler...

Page 63: ...emely Inverse Curves SC 6690 96 0 01 0 10 1 00 10 00 100 00 1000 00 1 10 100 Multiple of Pickup Current I Ipu Trip Time seconds 0 7 0 05 0 15 1 0 5 0 3 0 2 0 1 Adjustable Time Multiplier 0 05 1 00 Tol...

Page 64: ...n com Supersedes I B 17555C dated November 1999 Figure 7 19 IEC D Family Flat SC 6691 96 0 01 0 10 1 00 10 00 100 00 1000 00 1 10 100 Multiple of Pickup Current I Ipu Trip Time seconds 0 7 0 05 0 15 1...

Page 65: ...T 2 M Slope 0 FLAT 1 IT 2 I2T 4 14T I4T 4 K 3 for phase 1 for ground FLAT 0 FLAT 0 ANSI IEC Curve Equation Where I Input Current Ipu Pickup Current Setting D Time Multiplier Setting P A B ANSI MOD Mod...

Page 66: ...ions that maintain circuit continuity when the device is removed These self shorting contacts will prevent damaging voltages from existing across the current transformer windings The terminal blocks f...

Page 67: ...ections to the terminal blocks must be sizes 14 AWG to 10 AWG The appropriate sized spade and ring lugs can also be used to accommodate the wires All contacts are shown in the de energized position NO...

Page 68: ...Relay Config Remote open close Relay Configuration Disable Unlatched Comm Close OC INST Manual Disable Auto 52a Enable 52b Phase Gnd Hi Load Alm Enable Latched 1 FUNCTION IMPACC Buffers OFF ON DT3000...

Page 69: ...rmation visit www cutler hammer eaton com Supersedes I B 17555C dated November 1999 FIG A 4 DIGITRIP 3001 TYPICAL AC OR DC SCHEMATIC FIG A 5 DIGITRIP 3001 TYPICAL AC EXTERNAL CURRENT CONNECTION WITH Z...

Page 70: ...ruction Leaflet DT3000 Page 66 Effective Date 07 02 I B 17555D For more information visit www cutler hammer eaton com Supersedes I B 17555C dated November 1999 Fig A 7 Digitrip 3001 Typical Wiring Dia...

Page 71: ...provide a single upstream restraint signal 4 Only one zone common used for both phase and ground 5 DO NOT CONNECT ZONE COMMON TO EARTH GROUND Fig A 8 Typical Phase Zone Selective Interlocking Connect...

Page 72: ...RELAY REMOVAL OF THE DIGITRIP 3001 INNER CHASSIS FROM THE DRAWOUT OUTER CASE EXPOSES LIVE PARTS WHERE THE HAZARD OF A FATAL ELECTRIC SHOCK IS PRESENT ALWAYS DISCONNECT ANY CONTROL OR SOURCE POWER BEFO...

Page 73: ...el or 240 Vac 50 60Hz DT3020 model auxiliary power which is normally connected and available Operates solely from the main current transformers Ct during a fault if the normally connected auxiliary ac...

Page 74: ...nity 2 1KV C DM EN61000 4 6 1996 RF conducted Immunity to 10Vo EN61000 4 11 1994 Voltage Dip Short Int Variations Immunity CURRENT MONITORING True rms Sensing 3 Phase and Ground Display Accuracy 1 of...

Page 75: ...The ac voltage transformer is used to supply nominal ac control power to the unit The current transformers are used to power the unit from the line current Normally the unit will operate from the ac a...

Page 76: ...sed 4 6 7 5 3 9 10 8 Breaker Input Mode Reserved Download Setpoints Reset Zone Interlocking Close Relay Config Remote open close Relay Configuration Disable Unlatched Comm Close OC INST Manual Disable...

Page 77: ...tected feeder corresponds to a secondary current of approximately one per unit or 5A secondary BEWARE OF MISAPPLICATION OF MAIN CT RATIOS CONSIDER A CIRCUIT WITH A 400A LOAD THAT NORMALLY REQUIRES A 4...

Page 78: ...www cutler hammer eaton com Supersedes I B 17555C dated November 1999 Fig B 3 Digitrip 3010 3020 Protective Relay Typical AC Schematic FIG B 4 DIGITRIP 3010 3020 TYPICAL AC EXTERNAL CURRENT CONNECTIO...

Page 79: ...DSPS requires no maintenance or adjustment Use the following procedures to check for proper operation First confirm or test Digitrip 3000 operation with ac power applied according to the guidelines of...

Page 80: ...Figure B 8 7 Apply ac control voltage again with Phase C current still applied or reapply it The voltage drop shown on the multi meter should decrease to the value for the With Vac 1 Phase I curve of...

Page 81: ...0 Protective Relay Burden Curves Power in VA Fig B 8 Digitrip 3010 3020 Protective Relay Ct Voltage Drop Curves Ct Power in VA with Vac 3 Phase I Ct Power in VA No Vac 3 Phase I Ct Power in VA with Va...

Page 82: ...ffective Date 07 02 I B 17555D For more information visit www cutler hammer eaton com Supersedes I B 17555C dated November 1999 Fig B 9 DSPS Output Voltage to Relay DSPS Output True 3 Phase Current On...

Page 83: ...FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY OR WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE ARE MADE REGARDING THE INFORMATION RECOMMENDATIONS AND DESCRIPTIONS CONTAINED HEREIN...

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