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Environmentally friendly compact air-insulated high-voltage substations

Albano, Maurizio, Haddad, Abderrahmane, Grifiths, Huw and Coventry, Paul 2018. Environmentally friendly compact air-insulated high-voltage substations. Energies 11 (9) , 2492. 10.3390/en11092492

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Abstract

This paper investigates the possible options for achieving a substantial reduction in a substation footprint using air-insulated switchgear as a more environmentally-friendly alternative to gas-insulated substations that use SF6 gas. Adopting a new approach to surge arrester location and numbers, International Electrotechnical Commission (IEC) minimum clearances can be successfully selected instead of the maximum clearances as currently adopted by many utilities, as is the case in the UK. In addition, innovative alternative compact busbar arrangements using vertical and delta configurations have been proposed by the authors. A further opportunity for compaction is offered by the application of compact and integrated technology offered from several manufacturers. The full overvoltage control within the entire substation under any surge condition is a key aspect of the feasibility of this type of substation. This work demonstrates that the new design option can be an attractive alternative for future substation configuration with minimum footprint.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Publisher: MDPI
ISSN: 1996-1073
Date of First Compliant Deposit: 4 October 2018
Date of Acceptance: 16 September 2018
Last Modified: 30 Nov 2018 22:11
URI: http://orca-mwe.cf.ac.uk/id/eprint/115553

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