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	Short-circuit current calculation method for cascaded STATCOM
	Yuan Zhi-chang ; Song Qiang ; Liu Wen-hua ; Zheng Dong-run ; Qiao Wei-dong
	2010-05-06 ; 2010-05-06
关键词	Practical/ power system faults power transformer protection short-circuit currents static VAr compensators/ cascaded STATCOM short-circuit current calculation method transformer protection static var compensator power system fault analysis West Suburb substation Shanghai fault currents EMTDC programs PSCAD programs/ B8390 Other power apparatus and electric machines B8350 Transformers and reactors
中文摘要	It is of high importance for main transformer protection of cascaded static var compensator (STATCOM). Here, the operation principle of cascaded STATCOM is analyzed, combining the theory of power system fault analysis a method to calculate the currents flowing through everywhere in the system is proposed for the situation that the short circuit faults occur at both sides of main transformer. Taking the +/-50 Mvar STATCOM of West Suburb substation in Shanghai for example, the fault currents under various fault conditions are calculated and the calculation results are compared with the simulation results of cascaded STATCOM system that is based on detailed model in EMTDC/PSCAD programs, the comparison result shows the proposed method is correct, so this model is available for reference to the design and setting of main transformer protection.
语种	中文 ; 中文
出版者	Electr. Power Res. Inst ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/10888]
专题	清华大学
推荐引用方式 GB/T 7714	Yuan Zhi-chang,Song Qiang,Liu Wen-hua,et al. Short-circuit current calculation method for cascaded STATCOM[J],2010, 2010.
APA	Yuan Zhi-chang,Song Qiang,Liu Wen-hua,Zheng Dong-run,&Qiao Wei-dong.(2010).Short-circuit current calculation method for cascaded STATCOM..
MLA	Yuan Zhi-chang,et al."Short-circuit current calculation method for cascaded STATCOM".(2010).

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