132 kv, 66 kv CGL reference circuit breaker control drawing analysis for trip & close

132 kv, 66 kv CGL reference circuit breaker control drawing analysis for trip & close

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132 kv, 66 kv CGL reference circuit breaker control drawing analysis for trip & close
Crompton greaves ltd reference SF6 breaker's 52Y antipumping relay, 52c closing, 52 T tripping, 88M(A) spring charge interlock. Closing and tripping circuit detailed analysis.