Toshiba GR200 Series Instruction Manual page 448

Line differential protection ied

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stage, which the ARC issues a three-phase trip signal (CB1_94TT or CB2_94TT) for the TRC

function; the ARC function abandons to reclose the CB#1 and CB#2 (ARC1 FT or ARC2 FT).

CB is not ready for ARC operation

Failure to issue ARC shot

ARC block command has come through PLC connection points

Multi-phase trip in SPAR mode

Evolving fault (single phase to multiphase) in SPAR and TPAR mode

No link within parallel lines in MPAR mode; ( final trip selected)

Final trip selected for 3-phase fault (user settable)

ARC close fail

Shot number over

6F2S1914 (0.49)

GRL200 (Soft 033 & 037)

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