NG TS 3.24.83

National Grid Technical Specifications - Circuit Breaker Sequential Isolation

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Organization: NG
Publication Date: 1 June 2001
Status: active
Page Count: 9
scope:

This specification covers the functional requirements for sequentially operated disconnectors operating at 420, 300 and 145kV. This facility is typically associated with pressurised head air-blast circuit breakers but may also be applied to other types of circuit breaker or form part of the automatic switching regime for plant or feeder isolation.

Document History

NG TS 3.24.83
June 1, 2001
National Grid Technical Specifications - Circuit Breaker Sequential Isolation
This specification covers the functional requirements for sequentially operated disconnectors operating at 420, 300 and 145kV. This facility is typically associated with pressurised head air-blast...

References

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