Current Reversal And Weak-End Infeed Logic For Distance Protection Zcrwpsch; Current Reversal And Weak-End Infeed Logic For Residual Overcurrent Protection Ecrwpsch; Scheme Communication Logic For Residual Overcurrent Protection Ecpsch; Local Acceleration Logic Zclcplal - ABB REC670 Operator's Manual

1MRK 511 188-UEN C
9.3.7.3
9.3.7.4
9.3.7.5
9.3.7.6
9.3.8
9.3.8.1
Operator's manual
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.
Current reversal and weak-end infeed logic for distance protection
ZCRWPSCH
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 residual overcurrent
protection ECRWPSCH
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
Main menu/Settings/Setting Group N/Scheme communication/
EFSchemeCommunication(PSCH,85)/EFC1
Displays setting parameters for operation, scheme type and coordination time.

Local acceleration logic ZCLCPLAL

Main menu/Settings/Setting group N/Scheme communication/Local
AccelerationLogic(PLAL)/ZCLC
Displays available settable parameters for setting OperationOn or Off, setting time
delays, enable and disable various functions.

Secondary system supervision

Overview

Under Secondary circuit supervision there are settings for Current circuit
supervision and Fuse failure. There are five instances of Current circuit supervision
with parameters for minimum operation current, rated current and operation. There
are six instances of Fuse failure supervision parameters for setting rated current,
voltage, operation mode and several other parameters.
Read and change settings
Section 9
59