GE P4A Technical Manual page 212

Micom p40 agile single br eaker multi-end current differential ied (non distance)
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Chapter 8 - CB Fail Protection
P54A/B/C/E
after the circuit breaker in the primary system has opened ensuring that the only current flowing in the AC
secondary circuit is the subsidence current.
186
P54xMED-TM-EN-1

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