考虑谐振回路损耗的辅助谐振换流极开关损耗分析

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摘要为了精确分析辅助谐振换流极（ARCP）软开关技术对变流设备开关损耗的影响,本文在考虑了谐振回路杂散参数的基础上,对ARCP软开关技术换流过程进行详尽的分析,通过数学推导建立了更为准确的ARCP换流方程和开关损耗模型。最后通过实验验证了换流方程以及ARCP损耗模型的正确性。研究表明,尽管ARCP软开关技术能够基本消除功率器件的开关损耗,但是谐振回路带来了额外的损耗。因此ARCP软开关技术的理想模型不再适用,必须考虑各部分杂散参数对ARCP的影响,并在设计中尽量减小杂散参数,否则很难达到提高效率的目的。

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	周飞
	姚修远
	吴学智
	李友敏

关键词 ：辅助谐振换流极, 软开关, 开关损耗, 杂散参数, 谐振损耗

Abstract：In order to accurately analyze the converter’s switching losses of the auxiliary resonant commutated pole(ARCP) circuit, power loss in all commutating process of the ARCP circuit is given in this paper, with the stray parameters of the resonant circuit being considered. The mathematic models of commutation process and power loss in the ARCP are also established. The experimental results verify the validities of the models. Although the switching losses of the power devices are largely reduced by the ARCP soft-switching technology, the losses of resonant circuit can’t be ignored and the ideal model of the ARCP is not suitable. The value of stray parameters must be reduced to ensure the overall efficiency being improved.

Key words： Auxiliary resonant commutated pole soft-switching switching losses stray parameters resonant losses

收稿日期: 2013-07-12 出版日期: 2014-11-05

PACS:

TM46

基金资助:国家高技术研究发展计划（863计划）资助项目（2011AA05A306）

作者简介: 周飞男,1984年生,博士,研究方向为电力电子及电力传动；姚修远男,1987年生,博士,研究方向为新能源发电技术。

引用本文:

周飞, 姚修远, 吴学智, 李友敏. 考虑谐振回路损耗的辅助谐振换流极开关损耗分析[J]. 电工技术学报, 2014, 29(8): 211-218. Zhou Fei, Yao Xiuyuan, Wu Xuezhi, Li Youmin. Analysis of Auxiliary Resonant Commutated Pole’s Switching Losses Considering the Losses of the Resonant Circuit. Transactions of China Electrotechnical Society, 2014, 29(8): 211-218.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2014/V29/I8/211

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