Governance of Electrical Standards

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E & W Electrical Standards

17 September 2007
Control Telephony Electrical Standard (Issue 1)
51 KB
09 January 2006
Relevant Electrical Standards (Issue 1)
At November '05 GCRP meeting, it was agreed that the 18 NGTs (applicable in England and Wales) will be replaced by the Relevant Electrical Standards document. Standards for Scotland remain unchanged.
2443 KB

RES Guidance Document

27 July 2006
RES Guidance Document
25 KB

Specifications for Electronic Data Communications Facilities

Electronic Dispatch Logging (EDL) Message Interface Specifications
Issue 4
278 KB
EDT Interface Specification - Guidance Note
30/10/2001
7 KB
Interface Standards
Issue 3
182 KB
EDT Submitter Guidance Notes
21/12/2001
41 KB
EDL Instruction Interface valid Reason Codes
Issue 2
264 KB
Electronic data transfer (EDT) Interface Specification
Issue 4
237 KB

Scottish Electrical Standards for SPT's Transmission System

SPTTS 2.7 - Substation Control Systems
Issue 1 - Not Yet Available
19 KB
SPTTS 2.6 - Protection
Issue 1
24 KB
SPTTS 2.5 - Cables
Issue 1
66 KB
SPTTS 2.3 - Transformers and Reactors
Issue 1
31 KB
SPTTS 2.2 - Switchgear
Issue 1
55 KB
SPTTS 1 - Requirements for the SP Transmission System and Connection Points to it.
Issue 1
169 KB

Sottish Electrical Standards for SHETL's Transmission System

NGTS 3.2.7 - Bushings for the Grid Systems
Issue 1 September 1992
704 KB
NGTS 3.2.4 - Current Transformers for protection and General use on the 132 275 and 400kV systems
Issue 1 September 1992
1239 KB
NGTS 3.2.2 - Disconnectors and Earthing Switches
Issue 1 March 1994
229 KB
NGTS 3.2.1 - Circuit Breakers and Switches
Issue 1 September 1992
1064 KB
NGTS 3.11.1 - Capacitors and Capacitor Banks
Issued 1 March 1993
98 KB
NGTS 3.2.9 - Post Insulators for Substations
Issue 1 May 1996
485 KB
NGTS 3.2.6 - Current and Voltage Measurement Transformers for Settlement Metering of 33, 66, 132 275 and 400kV systems
Issue 1 September 1992
52 KB
NGTS 3.2.5 - Voltage Transformers for use on the 132 275 and 400 kV systems
Issue 2 March 1994
1416 KB
NGTS 3.2.3 - Metal-Oxide surge arresters for use on 132 275 and 400kV systems
Issue 2 May 1994
1891 KB
NGTS 3.1.1 - Substation Interlocking Schemes.
Issue 1 October 1993
34 KB
NGTS 2.6 - Protection
Issue 2 June 1994
699 KB
NGTS 2.1 - Substations
Issue 2 May 1995
116 KB
NGTS 1 - Rating and General Requirements for Plant Equipment Apparatus and Services for the National Grid System and Direct Connection to it
Issue 3 March 1999
92 KB
 

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