NG TS 3.06.04
National Grid Technical Specifications - Non-Unit Feeder Main Protection
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Organization: | NG |
Publication Date: | 1 March 1999 |
Status: | inactive |
Page Count: | 20 |
scope:
This Specification describes the functional and performance requirements for a non-unit protection system for 2-terminal or 3-terminal feeder circuits on the NGC 400 kV, 275 kV and 132 kV system. The circuits may be composed of either overhead or underground conductors or a mixture of both. The Specification considers only distance protection but protection relays using different principles may be offered providing they have equivalent functionality and performance.
Document History
NG TS 3.06.04
March 1, 1999
National Grid Technical Specifications - Non-Unit Feeder Main Protection
This Specification describes the functional and performance requirements for a non-unit protection system for 2-terminal or 3-terminal feeder circuits on the NGC 400 kV, 275 kV and 132 kV system. The...