NG DH 04
Design Handbook - Guidance On Policy Application & Setting of Feeder Backup Protection
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| Organization: | NG |
| Publication Date: | 1 June 2014 |
| Status: | active |
| Page Count: | 20 |
scope:
PURPOSE AND SCOPE
The purpose of this handbook is to provide guidance on the feeder backup protection settings calculation for use on the National Grid 400kV and 275kV transmission system. The application and protection setting policy for the most commonly occurring electricity transmission primary arrangements within National Grid is laid down in PS (T) 010 - Issue 2.
This design handbook will ensure a consistent approach for the backup protection setting calculations. Guidance on backup protection settings for two-ended, three-ended, 'teed' transformers, transformer feeders and feeders directly connected to the LV side of an SGT is provided in this document.
Document History
NG DH 04
June 1, 2014
Design Handbook - Guidance On Policy Application & Setting of Feeder Backup Protection
PURPOSE AND SCOPE
The purpose of this handbook is to provide guidance on the feeder backup protection settings calculation for use on the National Grid 400kV and 275kV transmission system. The...
May 1, 2007
Design Handbook - Guidance On Policy Application & Setting of Feeder Backup Protection
PURPOSE AND SCOPE
The purpose of this handbook is to provide guidance on feeder backup protection settings deployed on the National Grid 400kV and 275kV transmission system. The application and...