K K FACTOR – – INJECTED CURRENT BUS ZONE FACTOR SLOPE = BU PHASE REMARKS (SLOPE) ID/IS I1 (D12) I2 (D06) ID IS SETTING MEASURED D12 R PH 1.5 – & 0.70 Y PH 1.5 – D06 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 K K FACTOR – – INJECTED CURRENT BUS ZONE FACTOR SLOPE = BU PHASE REMARKS (SLOPE) ID/IS I1 (D12) I2 (D06) ID IS SETTING MEASURED D12 R PH 1.5 – & 0.70 Y PH 1.5 – D06 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
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
reb500_low_imp.docx