Schweitzer Engineering Laboratories SEL-300G - Page 84

2-44 Relay Element Settings
Date Code 20020206 SEL-300G Instruction Manual
Relay Word Bit Function Description Typical Applications
50G1T
Level 1 Residual O/C With Definite-Time
Delay
Indication, Control, Event
Triggering, SER Triggering
50G2
Level 2 Residual O/C Pickup Indication, Control
50G2T
Level 2 Residual O/C With Definite-Time
Delay
Indication, Control, Event
Triggering, SER Triggering
50H1
87 Input Level 1 Phase O/C Pickup Indication, Control
50H1T
87 Input Level 1 Phase O/C With Definite-
Time Delay
Tripping, Control, SER
Triggering
50H2A
IA87 Input Level 2 Instantaneous O/C
Pickup
Indication, Control
50H2B
IB87 Input Level 2 Instantaneous O/C
Pickup
Indication, Control
50H2C
IC87 Input Level 2 Instantaneous O/C
Pickup
Indication, Control
50H2
50H2 = 50H2A + 50H2B + 50H2C Indication, Control
50H2T
50H2 With Definite-Time Delay Tripping, Control, SER
Triggering
50Q1
87 Input Level 1 Neg.-Seq. O/C Indication, Control
50Q1T
87 Input Level 1 Neg.-Seq. O/C With
Definite-Time Delay
Tripping, Control, SER
Triggering
50Q2
87 Input Level 2 Neg.-Seq. O/C Indication, Control
50Q2T
87 Input Level 2 Neg.-Seq. O/C With
Definite-Time Delay
Tripping, Control, SER
Triggering
50R1
87 Input Level 1 Residual O/C Indication, Control
50R1T
87 Input Level 1 Residual O/C With
Definite-Time Delay
Tripping, Control, SER
Triggering
50R2
87 Input Level 2 Residual O/C Indication, Control
50R2T
87 Input Level 2 Residual O/C With
Definite-Time Delay
Tripping, Control, SER
Triggering
51N
Neutral Time-Overcurrent Pickup Indication, Event Triggering,
SER Triggering, Testing
51NT
Neutral Time-Overcurrent Trip Tripping, SER Triggering
51NR
Neutral Time-Overcurrent Reset Testing