Multiterminal DC wind farm collection grid internal fault analysis and protection design

Jin Yang, John Fletcher, John O'Reilly

Research output: Contribution to journalArticle

Abstract

The multiterminal dc wind farm is a promising topology with a voltage-source inverter (VSI) connection at the onshore grid. Voltage-source converters (VSCs) are robust to ac-side fault conditions. However, they are vulnerable to dc faults on the dc side of the converter. This paper analyzes dc faults, their transients, and the resulting protection issues. Overcurrent faults are analyzed in detail and provide an insight into protection system design. The radial wind farm topology with star or string connection is considered. The outcomes may be applicable for VSCs in the multi-VSC dc wind farm collection grid and VSC-based high-voltage direct current (HVDC) offshore transmission systems.
Original languageEnglish
Article number5446298
Pages (from-to)2308-2318
Number of pages11
JournalIEEE Transactions on Power Delivery
Volume25
Issue number4
Early online date12 Apr 2010
DOIs
Publication statusPublished - Oct 2010

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Farms
Electric potential
Topology
Stars
Systems analysis

Bibliographical note

© 2010 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Keywords

  • fault overcurrent
  • multiterminal dc wind farm
  • voltage-source converter (VSC)
  • wind power generation

Cite this

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Multiterminal DC wind farm collection grid internal fault analysis and protection design. / Yang, Jin; Fletcher, John; O'Reilly, John.

In: IEEE Transactions on Power Delivery, Vol. 25, No. 4, 5446298, 10.2010, p. 2308-2318.

Research output: Contribution to journalArticle

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