Fard, M. A., Reid, Alistair  ORCID: https://orcid.org/0000-0003-3058-9007 and Hepburn, D.
2017.
Analysis of HVDC superimposed harmonic voltage effects on partial discharge behavior in solid dielectric media.
IEEE Transactions on Dielectrics and Electrical Insulation
24
(1)
, pp. 7-16.
10.1109/TDEI.2016.005934
|
Abstract
This paper presents an investigation of effects of high voltage direct current (HVDC) superimposed voltage harmonics on partial discharge (PD) behavior. Firstly, a single air filled void embedded in a slab of polymeric insulation was modeled using finite element methods (FEM). PD phenomena activated under the influence of rippled DC voltages were simulated using an interlinked environment of MATLAB and multiphysics simulation package COMSOL. Secondly, the results of the modeling were backed up by experimental tests, where HVDC superimposed harmonics were applied to artificial void samples in the lab and trends in the resultant PD characterized with varying harmonic orders and amplitudes. The results of both modeling and experiment are generally in agreement showing that as the harmonic orders and levels increase, the repetition rate of PD pulses rises in comparison to a purely DC applied voltage having the same peak amplitude. The findings of this study will assist in understanding of PD behavior under HVDC conditions where harmonic rippling occurs on the voltage waveform.
| Item Type: | Article |
|---|---|
| Date Type: | Publication |
| Status: | Published |
| Schools: | Engineering |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Publisher: | Institute of Electrical and Electronics Engineers |
| ISSN: | 1070-9878 |
| Date of Acceptance: | 13 June 2016 |
| Last Modified: | 01 Nov 2022 11:16 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/94374 |
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