ABB Relion 670 Series Applications Manual page 581

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1MRK 511 401-UEN Rev. K

merging unit according to IEC 61850-9-2 is used instead of the TRM, this parameter shall be

CompRange should be set such that the maximum through-fault current falls within this range.

differential current during external fault.

Bay control REC670

Application manual

CompRange should be set to nearest value >/= √2* Maximum through-fault current.

CompRange is set below the maximum through-fault current, it can create false

Remote communication

Relion rec670