NG TS 2.12
Technical Specifications - Substation Auxiliary Supplies
|Publication Date:||1 January 2012|
PURPOSE AND SCOPE
This document defines National Grid's technical requirements for the application of substation auxiliary equipment and is part of a hierarchical structure of documentation comprising three levels of Technical Specifications.
This specification is a level 2 document which describes the functional and performance requirements for both A.C. and D.C. auxiliary power supplies and equipment in National Grid UK Electricity Transmission substations.