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Insulation solutions for HVAC to HVDC conversion of a high voltage transmission overhead line: the L7 tower case study

Pinzan, Davide, Slama, M. El A., Cwikowski, Oliver and Haddad, A. 2019. Insulation solutions for HVAC to HVDC conversion of a high voltage transmission overhead line: the L7 tower case study. Presented at: 21st International Symposium on High Voltage Engineering, Frankfurt, Germany, 11-15 March 2019. Proceedings of the 21st International Symposium on High Voltage Engineering. Lecture Notes in Electrical Engineering Springer Science Business Media, pp. 1359-1371. 10.1007/978-3-030-31680-8_130

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Abstract

This paper presents two insulation solutions for an AC to DC power transmission line conversion. The purpose is to maximise active power of both solutions, by maximising voltage. The method includes High Voltage Direct Current (HVDC) scheme selection, insulation dimensioning for HVDC energisation in polluted environments and switching surge overvoltage clearance calculation. The intended readers are HVDC Outdoor Insulation Scientists and Engineers, and Transmission System Operators (TSOs), looking for economically viable solutions to increase the power transfer capability of the power system. They will benefit by learning a proposed comprehensive framework method to convert an AC transmission line to DC. This method has been implemented for the case study of a 132 kV line to line double AC circuit supported by a typical transmission tower. The theoretical and simulation results show in detail that a substantial increase of the power transfer capability of the line may be achieved. However, further investigation is needed.

Item Type: Conference or Workshop Item (Paper)
Date Type: Published Online
Status: Published
Schools: Engineering
Publisher: Springer Science Business Media
ISBN: 9783030316792
ISSN: 1876-1100
Last Modified: 28 Sep 2020 14:45
URI: http://orca.cf.ac.uk/id/eprint/135127

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