Phase Segregated Scheme Communication Logic For Distance Protection Zc1Ppsch (85); Current Reversal And Weak-End Infeed Logic For Distance Protection Zcrwpsch (85); Current Reversal And Weak-End Infeed Logic For Phase Segregated Communication Zc1Wpsch (85); Current Reversal And Weak-End Infeed Logic For Residual Overcurrent Protection Ecrwpsch (85) - ABB REL670 Operator's Manual

Section 9
Read and change settings
9.3.8.3
9.3.8.4
9.3.8.5
9.3.8.6
9.3.8.7
62
Displays available settable parameters which include scheme type, coordination time
for blocking coordination scheme, minimum duration of a carrier send signal and
security timer for loss of carrier guard detection.
Phase segregated scheme communication logic for distance protection
ZC1PPSCH (85)
Main menu/Settings/Setting Group N/Scheme communication/
ZPhSegSchComm(PSCH,85)/ZC1P
Selection of scheme type and timer settings are made here.
Current reversal and weak-end infeed logic for distance protection
ZCRWPSCH (85)
Main menu/Settings/Setting Group N/Scheme communication/
ZCurrentReversalWEI(PSCH,85)/EFCA
Displays available parameters for setting operating modes, pickup times, time delays,
rated values etc.
Current reversal and weak-end infeed logic for phase segregated
communication ZC1WPSCH (85)
Main menu/Setting/Setting group N/Scheme communication/
ZPhSegrCurrRevWEI(PSCH,85)/ZC1W
Includes operating mode, voltage and timer settings.
Current reversal and weak-end infeed logic for residual overcurrent
protection ECRWPSCH (85)
Main menu/Settings/Setting Group N/Scheme communication/
EFCurrentReversalWEI(PSCH,85)/EFCA
Displays available settable parameters including operation, rated values, time data and
other related settings.
Scheme communication logic for residual overcurrent protection
ECPSCH (85)
Main menu/Settings/Setting Group N/Scheme communication/
EFSchemeCommunication(PSCH,85)/EFC1
Displays setting parameters for operation, scheme type and coordination time.
1MRK506276-UUS B
Operator's manual