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Electric drive systems with long feeder cables

Xie, Patrick; Vakil, Gaurang; Gerada, Chris

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Authors

Patrick Xie



Abstract

Electric drive systems with long feeder cables connecting inverter and machine are used for oil exploration, mining, remote operated vehicles, industrial, and aerospace applications. Though this topology has the advantage of providing a better operating environment and easier serviceability for the inverter if the machine is located in an inhospitable and inaccessible environment, it does come with its own drawbacks. Steep-fronted switched voltages and cable-machine surge impedance mismatch can lead to high-amplitude, high-frequency (HF) voltage oscillations along the feeder cable, at the machine terminals, and throughout the machine's stator windings. These effects can cause high-electromagnetic interference, corona discharge, insulation failure in the feeder cable and machine's stator windings, common-mode, differential-mode, and bearing currents. This study discusses the HF issues relating to electric drive systems with long cable feeders. HF models for feeder cable and machine to analyse these phenomena are presented. The effects on long feeder cable loading on inverter switching characteristics are discussed. Methods to mitigate high-amplitude and HF oscillations in such systems are shown.

Citation

Xie, P., Vakil, G., & Gerada, C. (2020). Electric drive systems with long feeder cables. IET Electric Power Applications, 14(1), 16-30. https://doi.org/10.1049/iet-epa.2018.5507

Journal Article Type Article
Acceptance Date Jul 30, 2019
Online Publication Date Jan 6, 2020
Publication Date Jan 6, 2020
Deposit Date Apr 8, 2020
Publicly Available Date Mar 28, 2024
Journal IET Electric Power Applications
Print ISSN 1751-8660
Electronic ISSN 1751-8679
Publisher Institution of Engineering and Technology (IET)
Peer Reviewed Peer Reviewed
Volume 14
Issue 1
Pages 16-30
DOI https://doi.org/10.1049/iet-epa.2018.5507
Keywords Electrical and Electronic Engineering
Public URL https://nottingham-repository.worktribe.com/output/4270885
Publisher URL https://ietresearch.onlinelibrary.wiley.com/doi/10.1049/iet-epa.2018.5507
Additional Information This paper is a postprint of a paper submitted to and accepted for publication in IET Electric Power Applications and is subject to Institution of Engineering and Technology Copyright. The copy of record is available at the IET Digital Library.

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