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.
9.3.8.3
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.
9.3.8.4
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.
9.3.8.5
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.
9.3.8.6
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.
9.3.8.7
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.
Section 9
1MRK506276-UUS B
Read and change settings
62
Operator's manual
