P.16.42
SEL-411L Relay Protection Manual Date Code 20151029
Relay Word Bits
Row List
26 50GR Reverse zero-sequence supervisory current element
26 32QE 32Q internal enable
26 32QGE 32QG internal enable
26 32VE 32V internal enable
26 32IE 32I internal enable
27 F32I Forward current polarized zero-sequence directional element
27 R32I Reverse current polarized zero-sequence directional element
27 F32V Forward voltage polarized zero-sequence directional element
27 R32V Reverse voltage polarized zero-sequence directional element
27 F32QG Forward negative-sequence ground directional element
27 R32QG Reverse negative-sequence ground directional element
27 32GF Forward ground directional element
27 32GR Reverse ground directional element
Synchronism-Check Elements
28 59VP VP within ‘healthy voltage’ window
28 59VS1 VS1 within ‘healthy voltage’ window
28 25ENBK1 Circuit Breaker 1 synchronism-check element enable
28 SFZBK1 Circuit Breaker 1 slip frequency less than 5 MHz
28 SFBK1 5 MHz Circuit Breaker 1 slip frequency < 25 SFBK1
28 25W1BK1 Circuit Breaker 1 Angle 1 within Window 1
28 25W2BK1 Circuit Breaker 1 Angle 2 within Window 2
28 25A1BK1 Circuit Breaker 1 voltages within synchronism Angle 1
29 25A2BK1 Circuit Breaker 1 voltages within synchronism Angle 2
29 FAST1 fs1 > fp
29 SLOW1 fs1 < fp
29 BSYNBK1 Block synchronism check for Circuit Breaker 1
29 59VS2 VS2 within ‘healthy voltage’ window
29 25ENBK2 Circuit Breaker 2 synchronism-check element enable
29 SFZBK2 Circuit Breaker 2 slip frequency less than 5 MHz
29 SFBK2 5 MHz Circuit Breaker 2 slip frequency < 25 SFBK2
30 25W1BK2 Circuit Breaker 2 Angle 1 within Window 1
30 25W2BK2 Circuit Breaker 2 Angle 2 within Window 2
30 25A1BK2 Circuit Breaker 2 voltages within synchronism Angle 1
30 25A2BK2 Circuit Breaker 2 voltages within synchronism Angle 2
30 FAST2 fs2 > fp
30 SLOW2 fs2 < fp
30 BSYNBK2 Block synchronism check for Circuit Breaker 2
Overcurrent Elements
31 50P1–50P4 Level 1–4 phase overcurrent element
31 67P1–67P4 Level 1–4 phase directional overcurrent element
32 67P1T–67P4T Level 1–4 phase-delayed directional overcurrent element
Table 16.2 Row List of Relay Word Bits (Sheet 4 of 35)
Row Name Bit Description