Comparative analysis of three low voltage fault ride through techniques for wind energy conversion systems

James Tait, Khaled Ahmed, Grain Philip Adam

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Abstract

This paper compares the performances of three different Low Voltage Fault Ride- Through (LVFRT) techniques for Wind Energy Conversion Systems (WECS). The comparison aims to identify the most effective technique for alleviation of adverse impacts of AC faults on WECS electrical and mechanical parts, which include DC voltage rise and generator over-speed. The comparison is based on a critical qualitative review of existing literature on the selected LVFRT techniques, which are further supported by quantitative substantiation using simulations. The major findings of this comparative study are highlighted, with emphasis on metrics, which account for practical implementation, hardware, cost, and complexity issues. They are important to assess the overall effectiveness of the techniques evaluated. Although practical and commercial limitations exist, the initial findings suggest that an energy storage solution would be suitable for the enhancement of LVFRT for WECS in future power networks, and if the stored energy is utilised correctly, offer further attractive benefits.
Original languageEnglish
Title of host publication2020 9th International Conference on Renewable Energy Research and Application (ICRERA)
Place of PublicationPiscataway, N.J.
PublisherIEEE
Pages359-364
Number of pages6
ISBN (Electronic)978-1-7281-7369-6
DOIs
Publication statusE-pub ahead of print - 2 Nov 2020

Keywords

  • low voltage fault ride through
  • wind energy conversion system
  • voltage source converters

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