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NG TS 3.24.87

Technical Specifications - Trip Relays

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Organization: NG
Publication Date: 1 February 2011
Status: active
Page Count: 8
scope:

PURPOSE AND SCOPE

The Technical Specifications for all new plant, equipment, apparatus and services, for use on the National Grid UK Electricity Transmission system are contained in a three level hierarchy of documents. Level 1 covers ratings and general requirements, Level 2 covers major plant categories and Level 3 covers specific related plant functions.

This document is a Level 3 specification, which describes the functional and performance requirements for trip relays to be used in conjunction with protection schemes at 400kV, 275kV & 132kV switching stations.

Document History

NG TS 3.24.87
February 1, 2011
Technical Specifications - Trip Relays
PURPOSE AND SCOPE The Technical Specifications for all new plant, equipment, apparatus and services, for use on the National Grid UK Electricity Transmission system are contained in a three level...

References

This document references:
IEC 61810-1 - Electromechanical elementary relays – Part 1: General and safety requirements
Published by IEC on November 1, 2019
This part of IEC 61810 applies to electromechanical elementary relays (non-specified time allor- nothing relays) for incorporation into low voltage equipment (circuits up to 1 000 V alternate current...
This document references:
IEC 61810-2 - Electromechanical elementary relays – Part 2: Reliability
Published by IEC on May 1, 2017
This part of IEC 61810 covers test conditions and provisions for the evaluation of endurance tests using appropriate statistical methods to obtain reliability characteristics for relays. This...
This document references:
NG TS 2.19 - Technical Specifications - Ancillary Light Current Equipment
Published by NG on December 1, 2005
PURPOSE AND SCOPE Informative: Throughout this document reference is made to National Gird Specifications. For the avoidance of doubt all references to within this document to Technical...
This document references:
NG TS 2.24 - National Grid Technical Specifications - Substation Information, Control, Protection and Metering
Published by NG on March 1, 2000
This Specification defines or refers the reader to the policy requirements for Substation Information, Control, Protection and Metering. These requirements cover integration of protection and control...
This document references:
NG TS 3.24.15 - National Grid Technical Specifications - Environmental and Test Requirements for Electronic Equipment
Published by NG on December 1, 2000
All electronic equipment supplied to National Grid for operational use in transmission locations must meet its specified functionality and performance as set out in individual National Grid Technical...
This document references:
NG NGTS 3.24.75 - National Grid Technical Specifications - DAR Interlocking (Trip Relay Reset)
Published by NG on March 1, 2001
This specification describes the functional and performance requirements for DAR interlocking National Grid's 400, 275 and 132 kV circuits.
This document is referenced by:
NG TS 3.24.97 - Technical Specifications - System for Lock-Out of Delayed Automatic Reclosure for Feeder Circuits With Sections of Cable Or Gib/Gil
Published by NG on June 1, 2013
PURPOSE AND SCOPE The Technical Specifications for all new plant, equipment, apparatus and services, for use on the National Grid UK Electricity Transmission system are contained in a three level...
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