基于高频变压器漏抗理论的脉冲电源多模块并联充电误差机理研究

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Abstract The series resonant charging equipment based on high frequency transformer is one of the advanced charging methods of capacitive pulse power supply. The existing literature has done a lot of research on its charging principle, mainly focusing on the mathematical modeling of the charging process and the performance comparison with other charging methods. This paper aims at the special phenomenon that the charging error of this kind of charging equipment is related to the number of parallel modules in actual use. Firstly, the mechanism of charging error is studied according to the actual circuit topology, and the quantitative relationship between charging error and load is deduced. Furthermore, the correctness of the theoretical analysis is verified by combining the finite element method and circuit simulation. Finally, the control scheme to eliminate the error is proposed and the experimental verification is completed. The conclusion of related research has certain practical significance for optimizing the capacitive pulse power supply system of the electromagnetic launcher.

Key words： high frequency transformer winding leakage reactance pulse power supply capacitor charging power series resonant

Received: 30 June 2021

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	Articles by authors
	ZHU Bofeng
	LU Junyong
	ZHANG Xiao
	DAI Yufeng
	MA Tao

Cite this article:

ZHU Bofeng,LU Junyong,ZHANG Xiao等. Charging error analysis of multi parallel pulse power modules based on leakage reactance of high frequency transformer[J]. Electrical Engineering, 2022, 23(5): 39-44.

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http://dqjs.cesmedia.cn/EN/Y2022/V23/I5/39

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