Analysis of VSC-based HVDC system under DC faults

John Rafferty, D John Morrow, Lie Xu

Research output: Contribution to journalConference Contribution

12 Citations (Scopus)

Abstract

This paper analyzes the behavior of a Voltage Source Converter Based HVDC system under DC cable fault conditions. The behavior of the HVDC system during a permanent line-to-earth fault is analyzed, outlining the systems configuration and behavior at each stage of the fault timeline. Operation of the proposed system under a single earthing configurations, i.e. Converter (solid) earthed/AC transformer unearthed, was analyzed and simulated, with particular attention paid to the converters operation. It was observed that the development of potential earth loops within the system as a result of DC line-to-earth faults leads to substantial overcurrent and results in system configuration oscillation.
LanguageEnglish
Pages459 - 464
Number of pages6
Journal39th Annual Conference of the IEEE Industrial Electronics Society IECON 2013
DOIs
Publication statusPublished - Nov 2013
EventIEEE IECON 2013 - Vienna, Austria
Duration: 28 Oct 2013 → …

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Earth (planet)
Electric grounding
Cables
Electric potential

Keywords

  • HVDC power convertors
  • HVDC power transmission
  • earthing
  • power cables
  • power transmission faults
  • single earthing configurations

Cite this

Rafferty, John ; Morrow, D John ; Xu, Lie. / Analysis of VSC-based HVDC system under DC faults. 2013 ; pp. 459 - 464.
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Analysis of VSC-based HVDC system under DC faults. / Rafferty, John; Morrow, D John; Xu, Lie.

11.2013, p. 459 - 464.

Research output: Contribution to journalConference Contribution

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AU - Morrow, D John

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N2 - This paper analyzes the behavior of a Voltage Source Converter Based HVDC system under DC cable fault conditions. The behavior of the HVDC system during a permanent line-to-earth fault is analyzed, outlining the systems configuration and behavior at each stage of the fault timeline. Operation of the proposed system under a single earthing configurations, i.e. Converter (solid) earthed/AC transformer unearthed, was analyzed and simulated, with particular attention paid to the converters operation. It was observed that the development of potential earth loops within the system as a result of DC line-to-earth faults leads to substantial overcurrent and results in system configuration oscillation.

AB - This paper analyzes the behavior of a Voltage Source Converter Based HVDC system under DC cable fault conditions. The behavior of the HVDC system during a permanent line-to-earth fault is analyzed, outlining the systems configuration and behavior at each stage of the fault timeline. Operation of the proposed system under a single earthing configurations, i.e. Converter (solid) earthed/AC transformer unearthed, was analyzed and simulated, with particular attention paid to the converters operation. It was observed that the development of potential earth loops within the system as a result of DC line-to-earth faults leads to substantial overcurrent and results in system configuration oscillation.

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KW - HVDC power transmission

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KW - power cables

KW - power transmission faults

KW - single earthing configurations

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