Toshiba GR200 Series Instruction Manual page 22

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Introduction

Abbreviation

Autoreclose (ARC)

Backup protections

-Distance protection (ZS/ZG)

-Pilot schemes (DISCAR, DEFCAR)

-Over current protection (OC)

-Earth fault protection (EF)

-Switch on to fault relay (SOTF)

-VT failure relay (VTF)

-CT failure relay (CTF)

-Fault locator (FL)

-Voltage check relay (VCHK)

Function identifies and signals (FB)

Hardware overview

Main protections

-Current differential protection (DIF)

Monitoring and metering functions

Symbols used in logical diagrams

Trip circuit (TRC)

General control function

-Local and remote

-LED reset (LEDR)

-Counter (GCNT)

-Mode control (MDCTRL)

Control and monitoring application

-Single positon device (SPOS)

-Double positon with sync. (DPSY)

-Software switch controller (SOFTSW)

-Operation time reset (OPTIM)

-Total time measurement (TOTALTIM)

-Synchronizing check (SYNDIF)

-Software interlock (ILK)

-Double position device (DPOS)

-Three positon device (TPOS)

-Event detection (GENBI)

-Automatic sequence (ASEQ)

6F2S1915 (0.46)

GRZ200 (Soft 031 & 032)