2814129

NG TS 3.24.83 [ Active ]

National Grid Technical Specifications - Circuit Breaker Sequential Isolation

standard by National Grid , 06/01/2001

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Full Description

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.

 

Product Details

Edition:
1
Published:
06/01/2001
Number of Pages:
9
File Size:
1 file , 130 KB