Switching transients caused by vacuum circuit breakers in collection grids of offshore wind farms

Abstract In this study, transients that can occur in the collection grids of offshore wind farms were investigated. On the basis of the multiple prestrike and reignition model that can reflect the actual operation of a vacuum circuit breaker (VCB), a switching transient simulation model of a typical...

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Autores principales:	Jiayuan Tao, Qing Yang, Xuena Zheng, Yanxiao He, Ruixue Wang, Hefei Lv, Jie Zhang
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2021
Materias:	multiple prestrike and reignition offshore wind farms overvoltage suppression measure switching transients vacuum circuit breaker Renewable energy sources TJ807-830
Acceso en línea:	https://doaj.org/article/07b2766f44a04abeacdd723037535905
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spelling	oai:doaj.org-article:07b2766f44a04abeacdd7230375359052021-11-26T14:02:23ZSwitching transients caused by vacuum circuit breakers in collection grids of offshore wind farms1099-18241095-424410.1002/we.2643https://doaj.org/article/07b2766f44a04abeacdd7230375359052021-12-01T00:00:00Zhttps://doi.org/10.1002/we.2643https://doaj.org/toc/1095-4244https://doaj.org/toc/1099-1824Abstract In this study, transients that can occur in the collection grids of offshore wind farms were investigated. On the basis of the multiple prestrike and reignition model that can reflect the actual operation of a vacuum circuit breaker (VCB), a switching transient simulation model of a typical offshore wind farm was built. The developed model included a VCB, a transformer, a cable, and an arrester. Issues concerning the closing time, length of the feeder, and topology of the collection grid were discussed. Results showed that the relationship between overvoltage amplitude and closing time was approximately sinusoidal and the maximum value was obtained when the closing time was near the peak of the power source. In addition, the overvoltage at the end of a feeder terminal was the largest among all of the transformer overvoltages of the same feeder. The overvoltage of the main transformer and that of the transformer located at the end of a feeder decreased slowly with the increase in feeder length during the closing of VCB. However, these overvoltages were positively related to feeder length during the opening of VCB. The star topology was superior to the other topologies in terms of coping with the overvoltage caused by switching transients. The effectiveness of a suppression measure, namely, installation of a resistance‐capacitor filter, was also verified.Jiayuan TaoQing YangXuena ZhengYanxiao HeRuixue WangHefei LvJie ZhangWileyarticlemultiple prestrike and reignitionoffshore wind farmsovervoltagesuppression measureswitching transientsvacuum circuit breakerRenewable energy sourcesTJ807-830ENWind Energy, Vol 24, Iss 12, Pp 1501-1516 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	multiple prestrike and reignition offshore wind farms overvoltage suppression measure switching transients vacuum circuit breaker Renewable energy sources TJ807-830
spellingShingle	multiple prestrike and reignition offshore wind farms overvoltage suppression measure switching transients vacuum circuit breaker Renewable energy sources TJ807-830 Jiayuan Tao Qing Yang Xuena Zheng Yanxiao He Ruixue Wang Hefei Lv Jie Zhang Switching transients caused by vacuum circuit breakers in collection grids of offshore wind farms
description	Abstract In this study, transients that can occur in the collection grids of offshore wind farms were investigated. On the basis of the multiple prestrike and reignition model that can reflect the actual operation of a vacuum circuit breaker (VCB), a switching transient simulation model of a typical offshore wind farm was built. The developed model included a VCB, a transformer, a cable, and an arrester. Issues concerning the closing time, length of the feeder, and topology of the collection grid were discussed. Results showed that the relationship between overvoltage amplitude and closing time was approximately sinusoidal and the maximum value was obtained when the closing time was near the peak of the power source. In addition, the overvoltage at the end of a feeder terminal was the largest among all of the transformer overvoltages of the same feeder. The overvoltage of the main transformer and that of the transformer located at the end of a feeder decreased slowly with the increase in feeder length during the closing of VCB. However, these overvoltages were positively related to feeder length during the opening of VCB. The star topology was superior to the other topologies in terms of coping with the overvoltage caused by switching transients. The effectiveness of a suppression measure, namely, installation of a resistance‐capacitor filter, was also verified.
format	article
author	Jiayuan Tao Qing Yang Xuena Zheng Yanxiao He Ruixue Wang Hefei Lv Jie Zhang
author_facet	Jiayuan Tao Qing Yang Xuena Zheng Yanxiao He Ruixue Wang Hefei Lv Jie Zhang
author_sort	Jiayuan Tao
title	Switching transients caused by vacuum circuit breakers in collection grids of offshore wind farms
title_short	Switching transients caused by vacuum circuit breakers in collection grids of offshore wind farms
title_full	Switching transients caused by vacuum circuit breakers in collection grids of offshore wind farms
title_fullStr	Switching transients caused by vacuum circuit breakers in collection grids of offshore wind farms
title_full_unstemmed	Switching transients caused by vacuum circuit breakers in collection grids of offshore wind farms
title_sort	switching transients caused by vacuum circuit breakers in collection grids of offshore wind farms
publisher	Wiley
publishDate	2021
url	https://doaj.org/article/07b2766f44a04abeacdd723037535905
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Switching transients caused by vacuum circuit breakers in collection grids of offshore wind farms

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