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Blocking scheme in MiCOM P442 distance relay

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zertic1985

Electrical
Nov 26, 2012
7
Dear Friends,

Please clarify me the following issue

While testing the MiCOM P442 distance relay Blocking scheme i obsorve following think

zone 2+ W/O CR the trip time :60mS..........in the relay display zone 2 trip

zone 2+ With CR the trip time :410 mS...........in the relya display zone 2 Aided trip


zone 2 aided trip display should come while zone 2+W/O CR

but for me it is coming opposite ...........please anybody can clarify me
 
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