Appropriate crowbar protection for improvement of brushless DFIG LVRT during asymmetrical voltage dips

Mahyar Gholizadeh,Sajjad Tohidi,Ashknaz Oraee,Hashem Oraee

International Journal of Electrical Power & Energy Systems（2018）

引用 39|浏览6

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摘要

•An equivalent circuit is proposed for analyzing BDFIG behavior during voltage dips.•Determining the optimum crowbar for riding the BDFIG through asymmetrical faults.•Protecting the power electronic switches against the over-current and over-voltage.•Various simulations by using the coupled circuit model show the validity of analysis.

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关键词

Brushless doubly fed induction generator (BDFIG),Low voltage ride-through (LVRT),Coupled circuit model,Crowbar protection,Asymmetrical voltage dips

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