Schweitzer Engineering Laboratories SEL-751 - Page 880

K.10
SEL-751 Relay Instruction Manual Date Code 20170927
Relay Word Bits
Definitions
59PP2T Level 2 phase-to-phase overvoltage element trip
121
59Q1 Level 1 negative-sequence instantaneous overvoltage element pickup
118
59Q1T Level 1 negative-sequence instantaneous overvoltage element trip
118
59Q2 Level 2 negative-sequence instantaneous overvoltage element pickup
118
59Q2T Level 2 negative-sequence instantaneous overvoltage element trip
118
59S1 Level 1 VS channel overvoltage element pickup
115
59S1T Level 1 VS channel overvoltage element trip
115
59S2 Level 2 VS channel overvoltage element pickup
115
59S2T Level 2 VS channel overvoltage element trip
115
59VP Phase voltage window element (selected phase voltage [VP] between settings 25VLO and
25VHI)
114
59VS VS channel voltage window element (selected phase voltage [VS] between settings 25VLO
and 25VHI)
114
67G1P Level 1 residual-ground directional overcurrent pickup
124
67G1T Level 1 residual-ground directional overcurrent trip
124
67G2P Level 2 residual-ground directional overcurrent pickup
124
67G2T Level 2 residual-ground directional overcurrent trip
124
67G3P Level 3 residual-ground directional overcurrent pickup
124
67G3T Level 3 residual-ground directional overcurrent trip
124
67G4P Level 4 residual-ground directional overcurrent pickup
124
67G4T Level 4 residual-ground directional overcurrent trip
124
67N1P Level 1 neutral directional overcurrent pickup
154
67N1T Level 1 neutral directional overcurrent trip
154
67N2P Level 2 neutral directional overcurrent pickup
154
67N2T Level 2 neutral directional overcurrent trip
154
67N3P Level 3 neutral directional overcurrent pickup
154
67N3T Level 3 residual-ground directional overcurrent trip
154
67N4P Level 4 neutral directional overcurrent pickup
154
67N4T Level 4 residual-ground directional overcurrent trip
154
67P1P Level 1 phase directional overcurrent pickup
122
67P1T Level 1 phase directional overcurrent trip
122
67P2P Level 2 phase directional overcurrent pickup
122
67P2T Level 2 phase directional overcurrent trip
122
67P3P Level 3 phase directional overcurrent pickup
122
67P3T Level 3 phase directional overcurrent trip
122
Table K.2 Relay Word Bit Definitions for the SEL-751 Relay (Sheet 5 of 17)
Bit Definition Row