* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download 2 - National Grid
Survey
Document related concepts
Electronic engineering wikipedia , lookup
Opto-isolator wikipedia , lookup
Stray voltage wikipedia , lookup
Ground (electricity) wikipedia , lookup
Transmission line loudspeaker wikipedia , lookup
Mains electricity wikipedia , lookup
Electrical grid wikipedia , lookup
Telecommunications engineering wikipedia , lookup
Electric power transmission wikipedia , lookup
Electrician wikipedia , lookup
Electrical engineering wikipedia , lookup
Alternating current wikipedia , lookup
Electrification wikipedia , lookup
Power engineering wikipedia , lookup
Electrical wiring in the United Kingdom wikipedia , lookup
Transcript
Amends to CUSC Section 2 Paragraph 2.12 2.12 PRINCIPLES OF OWNERSHIP 2.12.1 Subject to the Transfer Scheme or any contrary agreement in any Bilateral Agreement or any other agreement the division of ownership of Plant and Apparatus shall be at the electrical boundary, such boundary to be determined in accordance with the following principles: (a) in relation to Plant and Apparatus located between the National Electricity Transmission System and a Power Station, the electrical boundary is at the busbar clamp on the busbar side of the busbar isolators on Generators and Power Station transformer circuits; (b) save as specified in Paragraph 2.12.1(c) below, in relation to Plant and Apparatus located between the National Electricity Transmission System and a Distribution System, the electrical boundary is at the busbar clamp on the busbar side of the Distribution System voltage busbar selector isolator(s) of the National Electricity Transmission System circuit or if a conventional busbar does not exist, an equivalent isolator. If no isolator exists an agreed bolted connection at or adjacent to the tee point shall be deemed to be an isolator for these purposes; (c) in relation to Transmission Plant and Transmission Apparatus located between the National Electricity Transmission System and a Distribution System but designed for a voltage of 132KV or below in England and Wales and below 132kV in Scotland, the electrical boundary is at the busbar clamp on the busbar side of the busbar selector isolator on the Distribution System circuit or, if a conventional busbar does not exist, an equivalent isolator. If no isolator exists, an agreed bolted connection at or adjacent to the tee point shall be deemed to be an isolator for these purposes; (d) in relation to Plant and Apparatus located between the National Electricity Transmission System and the system of a Non-Embedded Customer, the electrical boundary is at the clamp on the circuit breaker side of the cable disconnections at the Non-Embedded Customer’s sub-station; and (e) in the case of a metal clad enclosed switchgear bay the electrical boundary will be the equivalent of those specified in this Paragraph 2.12.1 save that the electrical boundary will be at the busbar shutters. (f) (g) in the case of SF6 Gas Insulated Switchgear at other than Post CAP 189 Sites, the electrical boundary will be the equivalent of those specified in this Paragraph 2.12.1 save that the electrical boundary will be at the gas zone separators on the busbar side of the busbar selection devices. in the case of Gas Insulated Switchgear at Post CAP 189 Sites, the electrical boundary will be the equivalent of those specified in this Paragraph 2.12.1 save that the electrical boundary will be at: (i) the connection lug on the Transmission side of the cable sealing end connected to the Gas Insulated Switchgear Transmission Side; or (ii) the next gas zone separators on the busbar side of the busbar selection devices, and in such case the busbar selection devices’ gas zone may contain a section of the busbar. 2.12.2 If a User wants to use transformers of specialised design for unusual load characteristics at the electrical boundary, these shall not be owned by the User and shall form part of the National Electricity Transmission System but the User shall pay The Company for the proper and reasonable additional cost thereof as identified by The Company in the Offer covering such transformers. In this Paragraph 2.12.2 “unusual load characteristics” means loads which have characteristics which are significantly different from those of the normal range of domestic, commercial and industrial loads (including loads which vary considerably in duration or magnitude). 2.12.3 For the avoidance of doubt nothing in this Paragraph 2.12 shall effect any transfer of ownership in any Plant or Apparatus. AMENDS TO CUSC SECTION 11 Add New Definition as follows “CAP 189 Modification Proposal” shall mean CUSC Modification Proposal 189; “CAP 189 Implementation Date” shall mean the Implementation Date for the CAP 189 Modification Proposal; “Gas Insulated Switchgear” SF switchgear where the substation busbars and the interfacing switchgear between those busbars and any connecting circuits are of an integrated metal enclosed, gas insulated construction. “Post CAP 189 Sites” shall mean New Connection Sites where the connection application is submitted after the CAP 189 Implementation Date or Connection Sites where a Modification Application is submitted after the CAP 189 Implementation Date;