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Multi-stress accelerated ageing studies on polymer insulators used for HVDC transmission

Nandi, S and Subba Reddy, B (2020) Multi-stress accelerated ageing studies on polymer insulators used for HVDC transmission. In: Lecture Notes in Electrical Engineering, 26 - 30 August 2019, Budapest, pp. 1440-1452.

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Official URL: https://doi.org/10.1007/978-3-030-31680-8_137


Due to insufficient literature on the performance of insulators for HVDC, multi-stress accelerated ageing study on composite insulators is envisaged, wherein the degradation mechanisms, long-term performance of insulators under HVDC experimental investigations are conducted. With the available literature and standards for ac stress, in the present experimental investigation a unique multi-stress facility for conducting studies on HVDC insulators is established. The multi-stress facility integrates all the stresses like fog, rain, UV, humidity, temperature along with electric field to study the degradation of HVDC composite insulators under accelerated ageing conditions. Some experimental investigations with electric stress, high temperature along with UV in the presence of moderate humidity are studied for a period of 500 h. The important results obtained are analyzed and presented. © Springer Nature Switzerland AG 2020.

Item Type: Conference Paper
Publication: Lecture Notes in Electrical Engineering
Publisher: Springer Science and Business Media Deutschland GmbH
Additional Information: The copyright for this article belongs to Springer Science and Business Media Deutschland GmbH.
Keywords: Binary alloys; Degradation; Electric fields; Insulating materials; Insulator contamination; Transmissions, Accelerated ageing; Accelerated ageing conditions; Composite insulators; Degradation mechanism; Experimental investigations; HVDC transmission; Long term performance; Polymer insulator, HVDC power transmission
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 08 Feb 2023 03:33
Last Modified: 28 Feb 2023 07:36
URI: https://eprints.iisc.ac.in/id/eprint/80040

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