NG TS 3.12.04
Technical Specifications - 48V & 110V D.C Supplies
|Publication Date:||1 May 2012|
PURPOSE AND SCOPE
This document defines the functional and performance requirements for 48 V and 110 V D.C. power supply systems in National Grid (NG) substations. This specification is part of a hierarchical structure of documentation comprising three levels of Technical Specification.
This document is a Level Three Specification