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Protection Functions

PRS-7367 125

SYNC_25

U3P

ChkOK

DLDBOK

DLLBOK

LLDBOK

DdChkOK

VolDiffOK

FrDiffOK

AngDiffOK

Blk

SynChkBlk

DdChkBlk

SynChkOK

UsynVTSAlm

UsynPhsAlm

CB_Open

Figure 3.22-14 one shot for delay trip

For two-shot AR, the tripping command is received again after the second reclosing pulse is

issued, the reclosing shall be considered as unsuccessful and the blocked BO will be active. When

the next reclose command is issued, the last reclaim time will be end, the next progress will begin.

When AR is active, the 79AR_BlkInstTr BO is active until 79AR_Active is returned.

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CYG PRS-7367 Specifications

General