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NG TS 3.24.91

Technical Specifications - Static Var Compensator Bay Functions

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Organization: NG
Publication Date: 1 April 2013
Status: active
Page Count: 48
scope:

PURPOSE AND SCOPE

This Specification describes the functional and performance requirements for the protection of 400 kV and 275 kV SVCs.

The detailed requirements for back-up protection for SVCs are specified in TS 3.24.38 Back-up Protection.

The requirements for devices for mechanical protection, including gas and oil actuated relays, and oil winding temperature instruments are specified in TS 2.3 Power Transformers and Reactors. This Specification only specifies their function within the SVC electrical protection system.

The requirements for the protection of HV connections associated with the SVC are specified in TS 3.24.65 Overall Protection.

The requirements for the trip relay resetting schemes are specified in TS 3.24.87 Trip Relays and Trip Relay Resetting.

Document History

NG TS 3.24.91
April 1, 2013
Technical Specifications - Static Var Compensator Bay Functions
PURPOSE AND SCOPE This Specification describes the functional and performance requirements for the protection of 400 kV and 275 kV SVCs. The detailed requirements for back-up protection for SVCs...

References

This document references:
NG TS 2.11 - Technical Specifications - Static Var Compensators for Connection To 275 Kv and 400kv Systems
Published by NG on May 1, 2012
PURPOSE AND SCOPE This specification defines National Grid's functional and performance requirements for Static Var Compensators (SVC) for connection to the National Grid system at 400 kV and 275 kV....
This document references:
NG TS 1 - Technical Specifications - Ratings and General Requirements for Plant, Equipment and Apparatus for The National Grid System
Published by NG on June 1, 2007
PURPOSE AND SCOPE This document is the highest level specification in a three tier structure. Each successive level provides greater detail in a specific discipline and, collectively, these documents...
This document references:
NG TS 2.01 - Technical Specifications - Substations
Published by NG on June 1, 2007
A description is not available for this item.
This document references:
NG TS 2.03 - Technical Specifications - Power Transformers and Reactors
Published by NG on December 1, 2015
PURPOSE AND SCOPE This is a Functional Specification for transformers and liquid filled reactors connected to the National Grid Electricity Transmission System in the UK. This specification is...
This document references:
NG TS 2.11 - Technical Specifications - Static Var Compensators for Connection To 275 Kv and 400kv Systems
Published by NG on May 1, 2012
PURPOSE AND SCOPE This specification defines National Grid's functional and performance requirements for Static Var Compensators (SVC) for connection to the National Grid system at 400 kV and 275 kV....
This document is referenced by:
NG TS 3.24.99 - Technical Specifications - Protection & Control of a STATCOM for connection to 275kV & 400kV Systems
Published by NG on February 1, 2016
PURPOSE AND SCOPE This Technical Specification (TS) defines the functional, performance and testing requirements for the Protection and Control (P&C) systems of a Static Compensator (STATCOM) for...
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