GE BUS1000 Instructions Manual
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GE BUS1000 Instructions Manual

Bus bar protection
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GE Power Management
Bus Bar Protection
Bus Bar Protection
Bus Bar Protection
Bus Bar Protection
BUS1000
Instructions
Instructions
Instructions
Instructions
GEK 98514B
GEK 98514B
GEK 98514B
GEK 98514B

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Summary of Contents for GE BUS1000

  • Page 1 ÿ GE Power Management Bus Bar Protection Bus Bar Protection Bus Bar Protection Bus Bar Protection BUS1000 Instructions Instructions Instructions Instructions GEK 98514B GEK 98514B GEK 98514B GEK 98514B...
  • Page 2 B@ÃQ‚r…ÃHhhtr€r‡ $Q\WKLQJ \RX FDQ·W ILQG" $Q\WKLQJ QRW FOHDU HQRXJK" DAà `PVà C6W@à 6I`à 8PHH@IUà PIà UC@à 8PIU@IUTà PAà UC@ QS@T@IUà H6IV6Gà FDI9G`à A6Yà VTà 6à 8PQ`à PAà UCDTà Q6B@ UPB@UC@Sà XDUCà 6à 8PQ`à PAà UC@à Q6B@à XC@S@à `PVà C6W@ APVI9à UC@à QSP7G@Hà UPà UC@à A6Yà IVH7@Sà "#à (#à #'$à ''à #$ ADGGDIBÃ...
  • Page 3 HARDWARE DESCRIPTION 5.1. CABINETS 5.2. ANEL OUNTED ACKS 5.3. ODULES 5.3.1. RINTED IRCUIT OARDS 5.3.2. UTPUT ODULES 5.3.3. EMOVABLE ODULES 5.3.4. ATCHING AND UXILIARY ELAYS 5.3.5. RONT EVICES 5.3.6. NTERNAL DJUSTMENTS 5.3.7. ACTORY DJUSTMENTS 5.3.8. CCESSORIES GEK-98514B BUS1000 Busbar Protection...

  • Page 4: Table Of Contents

    ETPOINTS OF THE REAKER AILURE 8.3. NSTALLATION 8.4. REVIOUS HECK 8.5. RRANGEMENT AND RELIMINARY EADS 8.6. ESTS WITHOUT 8.7. ESTS WITH 8.8. PERATION RITERIA TESTS AND PERIODICAL MAINTENANCE FIGURES 10-1 DIMENSIONS 11-1 SCHEMATICS DOUBLE BUSBAR 13-15 BUS1000 Busbar Protection GEK-98514B...
  • Page 5 TABLE OF CONTENTS SCHEMATICS SINGLE BUSBAR ¡ERROR!MARCADOR NO DEFINIDO. GEK-98514B BUS1000 Busbar Protection...
  • Page 7 DESCRIPTION DESCRIPTION The BUS1000 is a high-speed static protection system aimed at detecting phase to phase and to ground faults in buses at high voltage substations. The main unit is an overcurrent three phase differential relay with percentage restraint and stabilization resistors.
  • Page 9 Auxiliary voltage: 110 Vcc. Correlative numbers Because of the great variety of options and configurations in the BUS1000 systems, a complete list of the models is not included in this document. The specific information corresponding to the customer's model is provided with the chosen equipment.
  • Page 10 Continuously..........20 x In • Thermal capacity for voltage circuits: Continuous: ............. 2.5x Vn During 1min: ............3.5xVn • Loads: Current: 15VA (depending on the tap of the auxiliary transformer used) Voltage: 0.2 VA at Vn= 63 V BUS1000 Busbar Protection GEK-98514B...
  • Page 11 Failure units (per position) • Trip contacts: Make and carry for trip cycle (according to ANSI C37.90)..30 amps Break: Resistive 180 VA at 125/250 VDC. Break: Inductive 60 VA at 125/250 VDC. • Accuracy: Operation current: Operation time: GEK-98514B BUS1000 Busbar Protection...
  • Page 12 2.4. ELECTROMAGNETIC COMPATIBILITY STANDARDS The BUS1000 units comply with the following standards, including the GE standard for insulation and electromagnetic compatibility and the standard required by the EU directive 89/336 for the CE marking, according to the harmonised European standard:...
  • Page 13 The current transformers are an integral part of the whole protection system and their characteristics are an important factor for the correct operation of the protection. Their physical locations mark the limits of the protection zone covered by the protection system. GEK-98514B BUS1000 Busbar Protection...
  • Page 14 = R (2) Load resistance of the restraint and differential transformers. By analysing the behaviour of the differential unit in the first half cycle of the current at a 50 Hz rated frequency in the network we will have: 90 -9T BUS1000 Busbar Protection GEK-98514B...
  • Page 15 With these values the equation is reduced to: − ≥ For an internal fault I , so: ≥ − 1 /( From this equation we obtain the relay's sensitivity in amperes for the different values of K. GEK-98514B BUS1000 Busbar Protection...
  • Page 16 In the same way, when the K restraint percent value increases, a greater differential current is allowed without providing a trip in the unit since V will increase. BUS1000 Busbar Protection GEK-98514B...
  • Page 17 For more security we can say that the unit will not trip if: − < − < Thus: < [17] < [18] From this we can finally deduce that: > * − [19] < [20] − GEK-98514B BUS1000 Busbar Protection...
  • Page 18 3.6. LINE OVERCURRENT AND BREAKER FAILURE SUPERVISION UNITS These units are optional and may belong to a complete BUS1000 system (current supervision only, breaker failure only or both). Figures 6 show the block diagrams of a double bus system with both functions for three-phase trip line protection and single-phase trip respectively.
  • Page 19 AL, DIF selector switch: It allows for selection between the differential unit test and the alarm unit test. • Phase selector switch: It allows for selection of the phase to be tested. • Current level selector switch: It allows for selection of three different test current levels. GEK-98514B BUS1000 Busbar Protection...
  • Page 20 Once the previous adjustments have been carried out, push the TEST button and do not release it until the unit operates (usually 10 seconds). Check that the unit selected has operated and the unit trip signalling LED remains on. BUS1000 Busbar Protection GEK-98514B...
  • Page 21 APPLICATION APPLICATION APPLICATION The BUS1000 system has been designed for bus protection in high voltage substations from 30 KV to 500 KV. Its main characteristics are: • Short operation time , especially where fault levels are high, in order to minimise damage to the switchgear and assist system stability.
  • Page 22 Housing in separate 19-inch racks or in complete cabinets. 4.2. CALCULATION OF SETTINGS For a correct application of the BUS1000 protection system and selection of its adjustments, the following points must be considered: 4.2.1. MAIN CURRENT TRANSFORMERS The BUS1000 system does not require the use of dedicated current transformers for bus differential protection.
  • Page 23 4.2.3. MEASUREMENT OF K RESTRAINT PERCENTAGE Figure 1 shows a simplified diagram of the differential unit and its operation with an internal fault. Figure 3 shows the operation characteristic of the BUS1000 system percentage restraint differential unit, whose equation is: >...
  • Page 24 Should there be no need to limit the relay sensitivity, the adjustment of this unit must be equal to the operation value of the main unit, determined be the selected K unit. BUS1000 Busbar Protection GEK-98514B...
  • Page 25 5.1. CABINETS BUS1000 systems are provided in complete cabinets. They are made up of standard 19 inches wide and four units high racks, fully wired to connecting blocks placed in the back. Connections between the different cases are achieved only from their connecting blocks.
  • Page 26 5.2. PANEL MOUNTED RACKS The racks provided separately for the installation of BUS1000 board mounted systems are standard, 19 inches wide and their dimensions are shown in figure 22. The external connections are provided in terminal blocks mounted in the rear part of the rack.
  • Page 27 5. HARDWARE DESCRIPTION Figure 7.1 BBD RACK Figure 7.2 BTR RACK GEK-98514B BUS1000 Busbar Protection...
  • Page 28 5. HARDWARE DESCRIPTION Figure 7.4 BAR RACK Figure 7.5 BFR RACK BUS1000 Busbar Protection GEK-98514B...
  • Page 29 The various configurations available in a bus protection system are carried out combining the number of modular components requested in order to obtain the whole of the desired functions and the number of input and output circuits requested. The BUS1000 is a flexible and modular system made up of the components described below.
  • Page 30 It is done by means of three red LEDs (one for every phase) located in the front part of the board, in the alarm unit. The signalling is continuous and the reset is achieved by means of a push-button placed in the front part of the board itself. BUS1000 Busbar Protection GEK-98514B...
  • Page 31 Operation signalling of the overcurrent unit (FIG. 11) It is done by means of a red LED placed in the front part of the boards, in every breaker failure unit. This signalling is not continuous and stops signalling when the unit is reset. GEK-98514B BUS1000 Busbar Protection...
  • Page 32 P4 potentiometer: Breaker failure unit fill-in time adjustment. • P5 potentiometer: Overcurrent unit operation time adjustment NOTE : The potentiometers described above are factory adjusted and it is not recommended to change their original adjustment positions. BUS1000 Busbar Protection GEK-98514B...
  • Page 33 A diagram with the dimensions is shown in figure 20. 5.3.8.5. Oscillography Auxiliary Current Transformers They are single-phase units (three for every bar) provided mounted inside the cabinet. Their dimensions and panel drilling are shown in figure 18. GEK-98514B BUS1000 Busbar Protection...
  • Page 34 5. HARDWARE DESCRIPTION 5-10 BUS1000 Busbar Protection GEK-98514B...

  • Page 35: Receiving, Handling And Storage

    The tests described in chapter 12, can be carried out as installation or acceptance tests, depending on the criteria of the user. Since most users have different procedures for installation and acceptance tests, this section explains all the tests that can be performed on the systems. GEK-98514B BUS1000 Busbar Protection...
  • Page 36 6. RECEIVING, HANDLING AND STORAGE BUS1000 Busbar Protection GEK-98514B...

  • Page 37: Acceptance Tests

    − Check the transformation ratio in the different taps, according to the model. − Apply 300 Va.c. volts to the transformer secondary, with the primary opened and check that the current consumption ranges between 30 and 60 miliamperes. GEK-98514B BUS1000 Busbar Protection...

  • Page 38: Previous Check

    X34 is opened. The green light corresponding to bus A in the test box will be on. If not so, switch it on by pressing the green button. Make a jumper between stabilization resistors and shorten U1 with U2. BUS1000 Busbar Protection GEK-98514B...
  • Page 39 Also check that contact 1, 2 of the position closes. (if the alarm operates, the contact will open) Each time the differential unit operates the following contacts will close: X29-X30, X31-X32. These contacts will remain closed until the reset bottom (place in cabinet 1 front panel) is pushed. GEK-98514B BUS1000 Busbar Protection...

  • Page 40: Bus B

    SLOPE PICKUP CURRENT 0.190 - 0.210 0.237 - 0.263 0.313 - 0.347 0.475 - 0.525 Check as well that contacts 1 and 2 of the position close. (if the alarm operates, the contact opens). BUS1000 Busbar Protection GEK-98514B...
  • Page 41 Set the following adjustments to the differential boards of bus B: Slope: 0.8 (bridge on the left side of the board) Supervision: 1 (bridge on the right side of the board) Remove jumpers from U3 and U4, P7-11 and P7-14. Apply positive to P7-15. GEK-98514B BUS1000 Busbar Protection...

  • Page 42: Differential Tripping Output Contacts Test

    Phase A Phase B Phase C 23-26 24-26 25-26 TABLE 2: Bar connection and disconnection for all positions BAR A BAR B TABLE 3: DIFFERENTIAL TRIPPING OUTPUT CONTACTS CONTACTS 1-2,3-4 TABLE 4: LOCK OUT CONTACTS CONTACTS BUS1000 Busbar Protection GEK-98514B...

  • Page 43: Breaker Failure And 50 Units Test

    Set the line latching relays of the next position and repeat the whole process for every position. Repeat the above steps for bar B. TABLE 1: INPUT CURRENT FOR ALL POSITIONS Phase A Phase B Phase C 23-26 24-26 25-26 TABLE 2: BAR CONNECTION & DISCONNECTION FOR ALL POSITIONS BAR A BAR B GEK-98514B BUS1000 Busbar Protection...

  • Page 44: Coupling Device Test

    • contact EB1, EB2 closes as soon as the differential trips and opens again after about 1 s. • the three latching relays 52EB/CS are now in the reset position. • the current is still closed by the above latching relays. BUS1000 Busbar Protection GEK-98514B...

  • Page 45: Switching Device Test

    Disconnect bus A latching relay of position 7, applying positive to terminal (see table 2: Bar connection & disconnection). In that moment, the BUS/AB latching relays will operate again (they go to 0). Remove the jumpers from the stabilization resistors. GEK-98514B BUS1000 Busbar Protection...

  • Page 46: Test Element Test

    Check that while doing the same but with the red light on, this light will stay on with or without pushing the button. NOTE : Should any of the tests not be satisfactory, refer to UNITS CALIBRATION. 7-10 BUS1000 Busbar Protection GEK-98514B...

  • Page 47: Units Calibration

    Check the rest of the pickup currents of each differential for each phase and for each of the rest of the adjustment values (Instruction Book FIG 20 back Cambion). ADJUSTM. VALUE PICKUP VALUE 0.190-0.210 0.285-0.315 0.475-0.525 0.760-0.840 0.950-1.050 1.425-1.575 1.900-2.100 The obtained value will be recorded in the corresponding box. GEK-98514B BUS1000 Busbar Protection 7-11...

  • Page 48: Alarm Unit Calibration

    Check that the model or models indicated in the plates match the data given in the order. Unpack the equipment and check there are no broken parts and no signs that the system has suffered any damage during transportation. 7-12 BUS1000 Busbar Protection GEK-98514B...

  • Page 51: Final Installation & Commissioning

    Check that the maximum value obtained in the measurements is less than: Rmax < (2K/1-K) *RE Where: Rmax: Max. resistance measured RE: Stabilization resistance (250 ÿ) K: Adjusted slope GEK-98514B BUS1000 Busbar Protection...

  • Page 52: Arrangement And Preliminary Leads

    Arrange the differential according to the actual arrangement of the Substation, and check that the entire alarm unit can be reset (no LED is on), and that the LEDs on the DDF modules are also off. BUS1000 Busbar Protection GEK-98514B...

  • Page 53: Operation Criteria

    Once this period has finished and the performance of the protection is considered as appropriated, the trips should be connected. GEK-98514B BUS1000 Busbar Protection...
  • Page 54 8. FINAL INSTALLATION AND COMMISSIONING BUS1000 Busbar Protection GEK-98514B...

  • Page 55: Tests And Periodical Maintenance

    In this case the frequency of the tests described in RECEIVING AND EQUIPMENT CALIBRATION can be reduced GEK-98514B BUS1000 Busbar Protection...
  • Page 56 9. TESTS AND PERIODICAL MAINTENANCE BUS1000 Busbar Protection GEK-98514B...

  • Page 57: Figures

    10. FIGURES FIGURES FIGURES FIGURES FIGURES GEK-98514B BUS1000 Busbar Protection 10-1...
  • Page 58 FIGURE 1: SIMPLE CONNECTION DIAGRAM FOR BUS 1000 DIFFERENTIAL PROTECTION INTERNAL FAULT. (226B2211F1) MAIN CT AUXILIARY CT ÿ ÿ ÿ ÿ External Fault FIGURE 2: SIMPLE CONNECTION DIAGRAM FOR BUS 1000 DIFFERENTIAL PROTECTION. EXTERNAL FAULT WITHOUT SATURATION CT’S. (226B2211F18) 10-2 BUS1000 Busbar Protection GEK-98514B...
  • Page 59 10. FIGURES FIGURE 3: OPERATION CHARACTERISTIC. (226B2211F5) ÿ ÿ ÿ ÿ ÿ FIGURE 4: SIMPLE CONNECTION DIAGRAM FOR BUS 1000 DIFFERENTIAL PROTECTION. EXTERNAL FAULT WITH SATURATION CORE. (226B2211F2) GEK-98514B BUS1000 Busbar Protection 10-3...
  • Page 60 10. FIGURES ÿ FIGURE 5: ALARM UNIT BLOCK DIAGRAM. (226B2211F4) ÿÿ ÿ ÿÿ ÿ FIGURE 6: BLOCK DIAGRAM FOR CURRENT SUPERVISION AND BREAKER FAILURE UNITS: THREE POLE TRIPPING. (226B2211F7) 10-4 BUS1000 Busbar Protection GEK-98514B...
  • Page 61 10. FIGURES ÿ ÿ ÿ ÿ Restrain Module Front View Differential Module Front View FIGURE 7: RESTRAIN MODULE FRONT VIEW. FIGURE 8: DIFFERENTIAL MODULE FRONT (226B2211F15) VIEW. (226B2211F14) GEK-98514B BUS1000 Busbar Protection 10-5...
  • Page 62 ÿ ÿ ÿ Breaker Failure Board Front View Differential Board Front View Alarm Board Front View FIGURE 9:DIFFERENTIAL FIGURE 10:ALARM BOARD FIGURE 11:BREAKER BOARD FRONT VIEW. FRONT VIEW. FAILURE BOARD FRONT (226B2211F12) (226B2211F10) VIEW. (226B2211F16) 10-6 BUS1000 Busbar Protection GEK-98514B...
  • Page 63 10. FIGURES Differential Board - Internal Adjustments FIGURE 12:DIFFERENTIAL BOARD INTERNAL ADJUSTMENTS. (226B2211F13) Alarm Board - Internal Adjustments FIGURE 13:ALARM BOARD INTERNAL ADJUSTMENTS. (226B2211F11) GEK-98514B BUS1000 Busbar Protection 10-7...
  • Page 64 10. FIGURES Breaker Failure Board - Internal Adjustments FIGURE 14: BREAKER FAILURE BOARD INTERNAL ADJUSTMENTS. (226B2211F17) FIGURE 15:DIFFERENTIAL UNIT BLOCK DIAGRAM. (226B2211F3) 10-8 BUS1000 Busbar Protection GEK-98514B...
  • Page 65 10. FIGURES FIGURE 16:CT MAGNETISING CURVE OF THE SECONDARY SIDE. (226B2211F6) GEK-98514B BUS1000 Busbar Protection 10-9...
  • Page 66 10. FIGURES 10-10 BUS1000 Busbar Protection GEK-98514B...

  • Page 67: Dimensions

    11. DIMENSIONS DIMENSIONS DIMENSIONS DIMENSIONS DIMENSIONS GEK-98514B BUS1000 Busbar Protection 11-1...
  • Page 68 11. DIMENSIONS CURRENT TRANSFORMERS 226B2999 SERIAL Nº PANEL DRILLING 118.5 Auxiliary current transformer dimensions FIGURE 17:AUXILIARY CURRENT TRANSFORMER’S. (226B2211F9) 11-2 BUS1000 Busbar Protection GEK-98514B...
  • Page 69 11. DIMENSIONS S1 P2 PANEL DRILLING 118.5 Oscillography Auxiliary current transformer dimensions FIGURE 18:OSCILOGHAPHY AUXILIARY CURRENT TRANSFORMER. (226B2211F22) GEK-98514B BUS1000 Busbar Protection 11-3...
  • Page 70 11. DIMENSIONS FIGURE 19:POWER SUPPLY OR THYRITE BOXES . (226B2211F18) 11-4 BUS1000 Busbar Protection GEK-98514B...
  • Page 71 11. DIMENSIONS FIGURE 20: BREAKER BLOCK DIAGRAM . (226B2211F23) GEK-98514B BUS1000 Busbar Protection 11-5...
  • Page 72 11. DIMENSIONS FIGURE 21: STABILIZATION RESISTOR DIMENSIONS . (226B2211F24) 11-6 BUS1000 Busbar Protection GEK-98514B...
  • Page 73 11. DIMENSIONS 483,8 PERFORADO PARA MONTAJE 4 AGUJEROS DE ø7 PARA MONTAJE 4 HOLES OF ø7 FOR DRILLING DIMENSIONS FOR MOUNTING 464,8 443,4 DIMENSIONES EN mm. DIMENSIONS IN mm. FIGURE 22 RACK . (226B2211F20) GEK-98514B BUS1000 Busbar Protection 11-7...
  • Page 74 11. DIMENSIONS FIGURE 23 CABINET . (226B2211F21) 11-8 BUS1000 Busbar Protection GEK-98514B...
  • Page 75 • PK: test blocks located at the current inputs. • PK: test blocks located at the tripping contact outputs. • 86 block contacts • Breaker failure of two steps The diagrams shown are the following: GEK-98514B BUS1000 Busbar Protection 12-1...
  • Page 76 12. SCHEMATICS SINGLE BUSBAR FIGURE B2211F47. THREE LINE CURRENT DIAGRAM. POSITION 1, 2, 3 12-2 BUS1000 Busbar Protection GEK-98514B...
  • Page 77 12. SCHEMATICS SINGLE BUSBAR FIGURE B2211F48. THREE LINE CURRENT DIAGRAM. POSITION 4, 5 GEK-98514B BUS1000 Busbar Protection 12-3...
  • Page 78 12. SCHEMATICS SINGLE BUSBAR FIGURE B2211F49. DIFFERENTIAL UNIT. CURRENT INPUTS P1 Y P2 12-4 BUS1000 Busbar Protection GEK-98514B...
  • Page 79 12. SCHEMATICS SINGLE BUSBAR FIGURE B2211F50. CURRENT INPUTS P3, P4, P5 TO DIFFERENTIAL GEK-98514B BUS1000 Busbar Protection 12-5...
  • Page 80 12. SCHEMATICS SINGLE BUSBAR FIGURE B2211F51. TEST CIRCUIT. TEST CURRENT SELECTION 12-6 BUS1000 Busbar Protection GEK-98514B...
  • Page 81 12. SCHEMATICS SINGLE BUSBAR FIGURE B2211F52. BREAKER FAILURE INITIATION. POSITIONS 1, 2, 3, 4, 5 GEK-98514B BUS1000 Busbar Protection 12-7...
  • Page 82 12. SCHEMATICS SINGLE BUSBAR FIGURE B2211F53. TRIPPING RELAYS AND BREAKER FAILURE OUTPUTS 12-8 BUS1000 Busbar Protection GEK-98514B...
  • Page 83 12. SCHEMATICS SINGLE BUSBAR FIGURE B2211F54. BREAKER FAILURE SECOND STAGE TRIPPING AND SIGNALLING GEK-98514B BUS1000 Busbar Protection 12-9...
  • Page 84 12. SCHEMATICS SINGLE BUSBAR FIGURE B2211F55. TRIPPING RELAYS AND DC CIRCUIT 12-10 BUS1000 Busbar Protection GEK-98514B...
  • Page 85 12. SCHEMATICS SINGLE BUSBAR FIGURE B2211F56. CONNECTION-DISCONNECTION-TEST GEK-98514B BUS1000 Busbar Protection 12-11...
  • Page 86 12. SCHEMATICS SINGLE BUSBAR FIGURE B2211F57. BREAKER FAILURE FIRST STAGE TRIPPING CONTACT OUTPUTS P1, P2, P3, P4, 12-12 BUS1000 Busbar Protection GEK-98514B...
  • Page 87 12. SCHEMATICS SINGLE BUSBAR FIGURE B2211F58. SIGNALLING CONTACT OUTPUTS GEK-98514B BUS1000 Busbar Protection 12-13...
  • Page 88 Terminals starting by K are part of the Test block Terminals starting by P are part of the breaker failure power supply Terminals starting by T are part of the Thyrite box FIGURE B2211F59. LEGEND 12-14 BUS1000 Busbar Protection GEK-98514B...

  • Page 89: Schematics Double Busbar

    Test rack. • PK: test blocks located in the current input. • PK: test blocks located in the tripping output contacts. • 86 lock out contacts • Breaker failure with two steps • Undervoltage supervision. (27) GEK-98514B BUS1000 Busbar Protection 13-1...
  • Page 90 43. Signalling contact outputs 44. Cabinets interconnections 45. Location and distribution of terminal blocks. Cabinet 1 46. Location and distribution of terminal blocks. Cabinet 2 47. Location and distribution of terminal blocks. Cabinet 3 48. Legend 13-2 BUS1000 Busbar Protection GEK-98514B...
  • Page 91 13. SCHEMATICS DOUBLE BUSBAR 1. BUS COUPLER EB THREE LINE CURRENT DIAGRAM (226B6429F1) GEK-98514B BUS1000 Busbar Protection 13-3...
  • Page 92 13. SCHEMATICS DOUBLE BUSBAR 2. POSITION 1. THREE LINE CURRENT DIAGRAM (226B6429F2) 13-4 BUS1000 Busbar Protection GEK-98514B...
  • Page 93 13. SCHEMATICS DOUBLE BUSBAR 3. POSITION 2. THREE LINE CURRENT DIAGRAM (226B6429F3) GEK-98514B BUS1000 Busbar Protection 13-5...
  • Page 94 13. SCHEMATICS DOUBLE BUSBAR 4. POSITION 3. THREE LINE CURRENT DIAGRAM (226B6429F4) 13-6 BUS1000 Busbar Protection GEK-98514B...
  • Page 95 13. SCHEMATICS DOUBLE BUSBAR 5. POSITION 4. THREE LINE CURRENT DIAGRAM (226B6429F5) GEK-98514B BUS1000 Busbar Protection 13-7...
  • Page 96 13. SCHEMATICS DOUBLE BUSBAR 6. POSITION 5. THREE LINE CURRENT DIAGRAM (226B6429F6) 13-8 BUS1000 Busbar Protection GEK-98514B...
  • Page 97 13. SCHEMATICS DOUBLE BUSBAR 7. POSITION 6. THREE LINE CURRENT DIAGRAM (226B6429F7) GEK-98514B BUS1000 Busbar Protection 13-9...
  • Page 98 13. SCHEMATICS DOUBLE BUSBAR 8. POSITION 7. THREE LINE CURRENT DIAGRAM (226B6429F8) 13-10 BUS1000 Busbar Protection GEK-98514B...
  • Page 99 13. SCHEMATICS DOUBLE BUSBAR 9. POSITION 8. THREE LINE CURRENT DIAGRAM (226B6429F9) GEK-98514B BUS1000 Busbar Protection 13-11...
  • Page 100 13. SCHEMATICS DOUBLE BUSBAR 10. CURRENT CIRCUIT TO “A” DIFFERENTIAL UNIT. CURRENT INPUT EB, P1. (226B6429F10) 13-12 BUS1000 Busbar Protection GEK-98514B...
  • Page 101 13. SCHEMATICS DOUBLE BUSBAR 11. CURRENT CIRCUIT TO “A” DIFFERENTIAL UNIT. CURRENT INPUT P2, P3, P4. (226B6429F11) GEK-98514B BUS1000 Busbar Protection 13-13...
  • Page 102 13. SCHEMATICS DOUBLE BUSBAR 12. CURRENT CIRCUIT TO “A” DIFFERENTIAL UNIT, CURRENT INPUT P5, P6, P7, P8 . (226B6429F12) 13-14 BUS1000 Busbar Protection GEK-98514B...
  • Page 103 13. SCHEMATICS DOUBLE BUSBAR 13. CURRENT CIRCUIT TO “B” DIFFERENTIAL UNIT, CURRENT INPUT EB, P1 (226B6429F13) GEK-98514B BUS1000 Busbar Protection 13-15...
  • Page 104 13. SCHEMATICS DOUBLE BUSBAR 13-16 BUS1000 Busbar Protection GEK-98514B...
  • Page 105 13. SCHEMATICS DOUBLE BUSBAR 14. CURRENT CIRCUIT TO “B” DIFFERENTIAL UNIT, CURRENT INPUT P2, P3, P4 (226B6429F14) GEK-98514B BUS1000 Busbar Protection 13-17...
  • Page 106 13. SCHEMATICS DOUBLE BUSBAR 15. CURRENT CIRCUIT TO “B” DIFFERENTIAL UNIT. CURRENT INPUT P5, P6, P7, P8). (226B6429F15) 13-18 BUS1000 Busbar Protection GEK-98514B...
  • Page 107 13. SCHEMATICS DOUBLE BUSBAR 16. TEST UNIT ZONES A & B (226B6429F16) GEK-98514B BUS1000 Busbar Protection 13-19...
  • Page 108 13. SCHEMATICS DOUBLE BUSBAR 17. POSITION AUXILIARY LATCHING RELAYS, POSITIONS P1, P2, P3, AND P4. (226B6429F17) 13-20 BUS1000 Busbar Protection GEK-98514B...
  • Page 109 13. SCHEMATICS DOUBLE BUSBAR 18. POSITION AUXILIARY LATCHING RELAYS, POSITIONS P5, P6, P7, AND P8. (226B6429F18) GEK-98514B BUS1000 Busbar Protection 13-21...
  • Page 110 13. SCHEMATICS DOUBLE BUSBAR 19. BUS COUPLER REDUCTION TO SINGLE DIFFERENTIAL UNIT (226B6429F19) 13-22 BUS1000 Busbar Protection GEK-98514B...
  • Page 111 13. SCHEMATICS DOUBLE BUSBAR 20. FIRST STAGE BREAKER FAILURE INITIATION, POSITIONS EB, P1, P2, P3 (226B6429F20) GEK-98514B BUS1000 Busbar Protection 13-23...
  • Page 112 13. SCHEMATICS DOUBLE BUSBAR 21. FIRST STAGE BREAKER FAILURE INITIATION, POSITIONS P4, P5, P6, P7 (226B6429F21) 13-24 BUS1000 Busbar Protection GEK-98514B...
  • Page 113 13. SCHEMATICS DOUBLE BUSBAR 22. FIRST STAGE BREAKER FAILURE INITIATION, POSITION P8 (226B6429F22) GEK-98514B BUS1000 Busbar Protection 13-25...
  • Page 114 13. SCHEMATICS DOUBLE BUSBAR 24. FIRST STAGE BREAKER FAILURE TRIPPING CONTACT OUTPUTS P5, P6, P7, P8 (226B6429F24) 13-26 BUS1000 Busbar Protection GEK-98514B...
  • Page 115 13. SCHEMATICS DOUBLE BUSBAR 25. SECOND STAGE BREAKER FAILURE TRIPPING & SIGNALLING (226B6429F25) GEK-98514B BUS1000 Busbar Protection 13-27...
  • Page 116 13. SCHEMATICS DOUBLE BUSBAR 26. DIFFERENTIAL UNITS AND BREAKER FAILURE TRIPPING CONTACT OUTPUTS. TRIPPING RELAYS OUTPUT, POSITION EB, P1, P2, P3, P4 (226B6429F26) 13-28 BUS1000 Busbar Protection GEK-98514B...
  • Page 117 13. SCHEMATICS DOUBLE BUSBAR 27. TRIPPING RELAYS OUTPUT. POSITION P5, P6, P7, P8 (226B6429F27) GEK-98514B BUS1000 Busbar Protection 13-29...
  • Page 118 13. SCHEMATICS DOUBLE BUSBAR 28. DIFFERENTIAL UNITS A, B, TRIPPING AUXILIARY RELAYS (226B6429F28) 13-30 BUS1000 Busbar Protection GEK-98514B...
  • Page 119 13. SCHEMATICS DOUBLE BUSBAR 29. “A” DIFFERENTIAL UNIT CONNECTION, DISCONNECTION AND TEST (226B6429F29) GEK-98514B BUS1000 Busbar Protection 13-31...
  • Page 120 13. SCHEMATICS DOUBLE BUSBAR 30. “B” DIFFERENTIAL UNIT CONNECTION, DISCONNECTION AND TEST (226B6429F30) 13-32 BUS1000 Busbar Protection GEK-98514B...
  • Page 121 13. SCHEMATICS DOUBLE BUSBAR 31. POWER SUPPLY AUXILIARY CIRCUITS (226B6429F31) GEK-98514B BUS1000 Busbar Protection 13-33...
  • Page 122 13. SCHEMATICS DOUBLE BUSBAR BREAKER FAILURE SECOND STAGE AND TRIPPING CONTACT OUTPUTS P1, P2, P3, P4, P5, P6, P7, P8 (226B6429F42) 13-34 BUS1000 Busbar Protection GEK-98514B...
  • Page 123 13. SCHEMATICS DOUBLE BUSBAR 43. SIGNALLING CONTACT OUTPUTS (226B6429F43) GEK-98514B BUS1000 Busbar Protection 13-35...
  • Page 124 13. SCHEMATICS DOUBLE BUSBAR CABINETS INTERCONNECTIONS (226B6429F44) 13-36 BUS1000 Busbar Protection GEK-98514B...
  • Page 125 13. SCHEMATICS DOUBLE BUSBAR 45. LOCATION AND DISTRIBUTION OF TERMINAL BLOCKS CABINET 1 (226B6429F45) GEK-98514B BUS1000 Busbar Protection 13-37...
  • Page 126 13. SCHEMATICS DOUBLE BUSBAR 46. LOCATION AND DISTRIBUTION OF TERMINAL BLOCKS CABINET 1 (226B6429F46) 13-38 BUS1000 Busbar Protection GEK-98514B...
  • Page 127 13. SCHEMATICS DOUBLE BUSBAR LOCATION AND DISTRIBUTION OF TERMINAL BLOCKS CABINET 2(226B6429F47) GEK-98514B BUS1000 Busbar Protection 13-39...
  • Page 128 _ P8 50 + BFA + BFB / EB B.F. & overcurrent supervision relays / bus coupler 50 + BFA + BFB / P1_ _ _ _ P8 B.F. & overcurrent supervision relays / positions 13-40 BUS1000 Busbar Protection GEK-98514B...
  • Page 129 BUS1000 ∅C) BUS1000 Stabilising resistor T. DIF BUS1000 Differential circuit input current transformer BUS1000 Alarm unit BUS1000 Differential Voltage resistor BUS1000 Restraint Voltage Resistor 3R/ 87A – 87B AUXILIARY RELAY Stabilising Resistor shorting auxiliary device GEK-98514B BUS1000 Busbar Protection 13-41...

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