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一种零电压转换型三相电压型双PWM变换器

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A zero-voltage transition for three-phase double-PWM voltage-fed converter
In comparison with several zero-voltage transition (ZVT) inverter topologies, a double-PWM converter is presented using a simple ZVT topology. The rectifier and inverter of this double-PWM share a set of commutation circuit which can provide soft-switching for the power devices and the diodes. The commutation circuit consists of 1 auxiliary device, 6 resonant inductors, and 12 diodes. Its topology is simpler than the conventional auxiliary resonant converter, leading to low loss and easy control. The control strategy and resonant working modes are analyzed. Experimental results show good performance of the system.

zero-voltage transition (ZVT), double-PWM, converter, resonant.

屈克庆、陈国呈、孙承波、李杰、吴国祥

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School of Mechatronics Engineering and Automation, Shanghai University, Shanghai 200072, P. R. China

Shanghai Key Laboratory of Power Station Automation Technology, School of Mechatronics Engineering and Automation,Shanghai University, Shanghai 200072, P. R. China

zero-voltage transition (ZVT), double-PWM, converter, resonant.

Shanghai Post Doctoral Scientific Research ProjectShanghai Leading Academic Discipline Project

05R214122T0103

2007

上海大学学报(英文版)
上海大学

上海大学学报(英文版)

影响因子：0.196
ISSN：1007-6417
年,卷(期)：2007.11(5)
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