OC 17 SPARE OC 18 SPARE OC 19 SPARE OC 20 SPARE Binary Outputs FUNCTION (Duty) CHECKED CR 01 BAY UNIT FAULTY CR 02 CBF TRIP TO LOR CR 03 BUSBAR DIFF TRIP TO LOR CR 04 BUSBAR DIFF TRIP TO FR CR 05 SPARE CR 06 SPARE CR 07 SPARE CR 08 SPARE CR 09 SPARE CR 10 SPARE CR 11 END FAULT PROTN OPTD CR 12 CR 13 SPARE CR 14 SPARE CR 15 SPARE CR 16 SPARE P1-2 (SN.01) BAY UNIT POWER SUPPLY MODULE FAIL LEDS FUNCTION (Duty) LED MODE CHECKED LED 01 DS 304 ISOLATOR CLOSE STATE LED LED 02 DS 306 ISOLATOR CLOSE LED LED 03 CB 305 CLOSE STATE LED
OC 10 SPARE OC 11 SPARE OC 12 OC 13 SPARE OC 14 SPARE OC 15 SPARE OC 16 OC 17 SPARE OC 18 OC 19 OC 20 SPARE Binary Outputs FUNCTION (Duty) CHECKED CR 01 CBF STAGE-2 TRIP TO LOR CR 02 BUSBAR DIFF TRIP TO LOR CR 03 BAY UNIT FAULTY CR 04 BUSBAR DIFF TRIP TO FR CR 05 SPARE CR 06 SPARE CR 07 CR 08 SPARE CR 09 CR 10 CR 11 END FAULT PROTN OPTD CR 12 SPARE CR 13 SPARE CR 14 SPARE CR 15 SPARE CR 16 SPARE
closing in the bay. BAY NO. CT RATIO [A] CURRENT INJECTED [A] CURRENT MEASURED IN CU [A] CURRENT MEASURED IN PU [A] DS NO. MEAS. ZONES R Y B R Y B R Y B IN D15 4000/1 0.5 0.75 1.0 1504 Z1A 0.5 0.75 1.0 1506 Z2A D13 4000/1 0.5 0.75 1.0 1304 Z1A 0.5 0.75 1.0 1306 Z2A D11 4000/1 0.5 0.75 1.0 1104 Z1A 0.5 0.75 1.0 1106 Z2A D09 4000/1 0.5 0.75 1.0 904 Z1A 0.5 0.75 1.0 906 Z2A D07 4000/1 0.5 0.75 1.0 704 Z1A 0.5 0.75 1.0 706 Z2A D05 4000/1 0.5 0.75 1.0 504 Z1A 0.5 0.75 1.0 506 Z2A D03 4000/1 0.5 0.75 1.0 304 Z1A 0.5 0.75 1.0 306 Z2A D01 4000/1 0.5 0.75 1.0 104 Z1A 0.5 0.75 1.0 106 Z2A D130-2A 4000/1 0.5 0.75 1.0 Both & CB Z1A D130-1A 4000/1 0.5 0.75 1.0 Both & CB Z2A D120-1A 4000/1 0.5 0.75 1.0 Both & CB Z1B D120-1B 4000/1 0.5 0.75 1.0 Both & CB Z1A
DROP OFF D13 4000/1 1.2 PICK UP DROP OFF D11 4000/1 1.2 PICK UP DROP OFF D09 4000/1 1.2 PICK UP DROP OFF D07 4000/1 1.2 PICK UP DROP OFF D05 4000/1 1.2 PICK UP DROP OFF D03 4000/1 1.2 PICK UP DROP OFF D01 4000/1 1.2 PICK UP DROP OFF D130-2A 4000/1 1.2 PICK UP DROP OFF D130-1A 4000/1 1.2 PICK UP DROP OFF D120-1A 4000/1 1.2 PICK UP DROP OFF D120-1B 4000/1 1.2 PICK UP DROP OFF D220-2A 4000/1 1.2 PICK UP DROP OFF
D220-2B 4000/1 1.2 PICK UP DROP OFF D230-2B 4000/1 1.2 PICK UP DROP OFF D230-1B 4000/1 1.2 PICK UP DROP OFF D02 4000/1 1.2 PICK UP DROP OFF D04 4000/1 1.2 PICK UP DROP OFF D06 4000/1 1.2 PICK UP DROP OFF D08 4000/1 1.2 PICK UP DROP OFF D10 4000/1 1.2 PICK UP DROP OFF D12 4000/1 1.2 PICK UP DROP OFF D14 4000/1 1.2 PICK UP DROP OFF D16 4000/1 1.2 PICK UP DROP OFF D18 4000/1 1.2 PICK UP
DROP OFF BUS ZONE: (2A & 2B) SET IDIFF = 4800, K = 70%. FOR BUS COUP. & BUS SEC. INJECT ZONE DIFF. ALSO TO GET DISC. BUSBAR PICKUP & TIMING BAY NO. CT RATIO [A] I SET VALUE [A] MEASURED PICK UP & DROP OFF VALUE [A] MEASURED TIME AT 5*IDIFF [SEC] R, Y, B R Y B R Y B D15 4000/1 1.2 PICK UP DROP OFF D13 4000/1 1.2 PICK UP DROP OFF D11 4000/1 1.2 PICK UP DROP OFF D09 4000/1 1.2 PICK UP DROP OFF D07 4000/1 1.2 PICK UP DROP OFF D05 4000/1 1.2 PICK UP DROP OFF D03 4000/1 1.2 PICK UP DROP OFF D01 4000/1 1.2 PICK UP DROP OFF D130-2A 4000/1 1.2 PICK UP
DROP OFF D130-1A 4000/1 1.2 PICK UP DROP OFF D120-1A 4000/1 1.2 PICK UP DROP OFF D120-1B 4000/1 1.2 PICK UP DROP OFF D220-2A 4000/1 1.2 PICK UP DROP OFF D220-2B 4000/1 1.2 PICK UP DROP OFF D230-2B 4000/1 1.2 PICK UP DROP OFF D230-1B 4000/1 1.2 PICK UP DROP OFF D02 4000/1 1.2 PICK UP DROP OFF D04 4000/1 1.2 PICK UP DROP OFF D06 4000/1 1.2 PICK UP DROP OFF D08 4000/1 1.2 PICK UP DROP OFF
D10 4000/1 1.2 PICK UP DROP OFF D12 4000/1 1.2 PICK UP DROP OFF D14 4000/1 1.2 PICK UP DROP OFF D16 4000/1 1.2 PICK UP DROP OFF D18 4000/1 1.2 PICK UP DROP OFF CHECK ZONE CURRENT TRIP PICK UP TEST: ALL DIS-CONNECTORS: (OPEN) SET IDIFF = 4800, K = 30%. BAY NO. CT RATIO [A] I SET VALUE [A] MEASURED PICK UP VALUE [A] MEASURED TIME AT 5*IDIFF [SEC] R, Y, B R Y B R Y B D15 4000/1 1.2 D13 4000/1 1.2 D11 4000/1 1.2 D09 4000/1 1.2 D07 4000/1 1.2 D05 4000/1 1.2 D03 4000/1 1.2 D01 4000/1 1.2 D130-2A 4000/1 1.2 NO
BU PHASE K – FACTOR (SLOPE) SETTING INJECTED CURRENT BUS ZONE K – FACTOR = ID/IS MEASURED REMARKS I1 (D15) I2 (D09) ID IS D15 & D09 R – PH 0.70 1.5 Y – PH 1.5 B – PH 1.5 BUS ZONE: (2A) SETTING: IDIFF SUPERVISION = CONTINUE IN OPERATION STABLIZING FACTOR (BZ) = 70% IDIFF THERSHOLD (BZ) = 1.2 A STABLIZING FACTOR (CZ) = 30 % IDIFF THERSHOLD (BZ) = 1.2 A >> STOP CONTACT BB TRIP 3 POLE BU K – FACTOR (SLOPE) SETTING INJECTED CURRENT BUS ZONE K – FACTOR = ID/IS MEASURED REMARKS I1 (D15) I2 (D09) ID IS D15 & D09 R – PH 0.70 1.5 Y – PH 1.5 B – PH 1.5 BUS ZONE: (1B) SETTING: SUPERVISION = CONTINUE IN OPERATION STABLIZING FACTOR (BZ) = 70% IDIFF THERSHOLD (BZ) = 1.2 A STABLIZING FACTOR (CZ) = 30 % THERSHOLD (BZ) = 1.2 A >> STOP CONTACT BB TRIP 3 POLE
BU PHASE K – FACTOR (SLOPE) SETTING INJECTED CURRENT BUS ZONE K – FACTOR SLOPE = ID/IS MEASURED REMARKS I1 (D12) I2 (D06) ID IS D12 & D06 R – PH 0.70 1.5 Y – PH 1.5 B – PH 1.5 BUS ZONE: (2B) SETTING: SUPERVISION = CONTINUE IN OPERATION STABLIZING FACTOR (BZ) = 70% IDIFF THERSHOLD (BZ) = 1.2 A STABLIZING FACTOR (CZ) = 30 % THERSHOLD (BZ) = 1.2 A >> STOP CONTACT BB TRIP 3 POLE BU PHASE K – FACTOR (SLOPE) SETTING INJECTED CURRENT BUS ZONE K – FACTOR SLOPE = ID/IS MEASURED REMARKS I1 (D12) I2 (D06) ID IS D12 & D06 R – PH 0.70 1.5 Y – PH 1.5 B – PH 1.5 ID = |I1 – I2| IS = |I1| + |I2| K = ID/IS VERIFY THIS CONNECTION: BAY UNIT – 1 & BAY UNIT – 2 ON THE SAME BUS ZONE (BZ). INJECT I1∟0 & I2∟180 EQUALS, DECREASE ANY ONE UP TO TRIP, CALCULATE SLOP = ID/IS
CHECK ZONE: (ALL ISOLATOR ARE OPEN) SETTING: IDIFF SUPERVISION = CONTINUE IN OPERATION STABLIZING FACTOR (BZ) = 70% IDIFF THERSHOLD (BZ) = 1.2 A STABLIZING FACTOR (CZ) = 30 % IDIFF THERSHOLD (BZ) = 1.2 A K – FACTOR (SLOPE) SETTING INJECTED CURRENT K – FACTOR = ID/IS MEASURED REMARKS I1 I2 R – PH 0.30 2.0 Y – PH 2.0 B – PH 2.0 VERIFY THIS CONNECTION: INJECT I1∟0 > 2 IDIFF THRESHOLD (CZ), INCREASE I2∟180 UP TO TRIP, CALCULATE = I2/ (2I1+ I2) BUSBAR PROTECTION DIFF. CURRENT SLOPE TSET: BUS ZONE: (1A & 2A) CONNECTED IN SAME BUS. BU SN CURRENT (IA = 1.2A) INJECTED IN REFERENCE BAY WITH 0 & 180 ANGLE OPERATING ANGLE (IB = 1.2A) IN BAY TEST R – PH Y – PH B – PH R – PH Y – PH B – PH D15 & 1 0 0 0 2 0 0 0
B – N D13 R – N 0.1 Y – N B – N D11 R – N 0.1 Y – N B – N D09 R – N 0.1 Y – N B – N D07 R – N 0.1 Y – N B – N D05 R – N 0.1 Y – N B – N D03 R – N 0.1 Y – N B – N D01 R – N 0.1 Y – N B – N D130A R – N 0.1
Y – N B – N D130B R – N 0.1 Y – N B – N D120A R – N 0.1 Y – N B – N R – N 0.1 Y – N B – N D220B R – N 0.1 Y – N B – N D230A R – N 0.1 Y – N B – N R – N 0.1 Y – N B – N D02 R – N 0.1 Y – N B – N D04 R – N 0.1 Y – N B – N
D06 R – N 0.1 Y – N B – N D08 R – N 0.1 Y – N B – N D10 R – N 0.1 Y – N B – N D12 R – N 0.1 Y – N B – N D14 R – N 0.1 Y – N B – N D16 R – N 0.1 Y – N B – N D18 R – N 0.1 Y – N B – N INTERNAL INITIATION For Bus Couplers & Bus Section inject for Check Zone from other bay. PANEL REF. CIRCUIT BREAKER FAILURE RELAY LEDS REMARKS IINJECT (A) R - PH Y - PH B - PH D15 1.2 D13 1.2
CLOSE I SET (A) PICK UP (A) PICK UP TIME (msec) TRIP PULSE TIME (msec) D15 R – N 1.2 No Y – N No B – N No D13 R – N 1.2 No Y – N No B – N No D11 R – N Y – N B – N D09 R – N 1.2 No Y – N No B – N No D07 R – N Y – N B – N D05 R – N 1.2 No Y – N No B – N No D03 R – N 1.2 No Y – N No B – N No D01 R – N Y – N B – N D130A R – N Y – N
B – N D130B R – N Y – N B – N D120A R – N Y – N B – N D120B R – N Y – N B – N R – N Y – N B – N D220B R – N Y – N B – N D230A R – N Y – N B – N D230B R – N Y – N B – N D02 R – N Y – N B – N D04 R – N 1.2 No
Y – N No B – N No D06 R – N Y – N B – N D08 R – N 1.2 No Y – N No B – N No D10 R – N Y – N B – N D12 R – N 1.2 No Y – N No B – N No D14 R – N 1.2 No Y – N No B – N No D16 R – N Y – N B – N D18 R – N 1.2 No Y – N No B – N No BUSBAR TOPOLOGY TEST: We follow the following connection.