飞电容ZVS PWM变换器中辅助开关元件的优化设计

Proceedings of 1995 IEEE Applied Power Electronics Conference and Exposition - APEC'95 Pub Date : 1995-03-05 DOI:10.1109/APEC.1995.468994

S. Ben-Yaakov, G. Ivensky, O. Levitin, A. Treiner

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引用次数: 19

摘要

研究了一类带辅助开关辅助软开关(AASS)的PWM变换器。基本AASS单元包括一个电感与变换器的辅助开关串联连接，一个电容器与变换器的主开关二极管或主二极管并联连接，一个附加电容器(指定为“飞行”电容器)通过与电感并联的辅助二极管和通过与变换器的主二极管并联的额外辅助二极管连接。本研究中对广义AASS变换器稳态过程的统一分析适用于各种PWM拓扑。提出了一种优化AASS参数的设计方法。实验研究(升压DC-DC变换器130/380 V, 1.1 kW，开关频率100…160khz)证实了理论分析的结果。

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Optimization of the auxiliary switch components in a flying capacitor ZVS PWM converters

A family of PWM converters with an Auxiliary Switch Assisted Soft Switcher (AASS) is studied. The basic AASS cell includes an inductor connected in series with the auxiliary switch of the converter, a capacitor connected in parallel with the main switch diode or main diode of the converter and an additional capacitor (designated a 'flying' capacitor) connected through an auxiliary diode parallel to the inductor and through an extra auxiliary diode parallel to the main diode of the converter. The unified analysis of steady-state processes in a generalized AASS converter, carried out in this investigation, is applicable to various PWM topologies. A design procedure for optimization of AASS parameters is developed. Experimental investigation (a boost DC-DC converter 130/380 V, 1.1 kW, switching frequency 100...160 kHz) confirmed the results of the theoretical analysis.<>

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来源期刊

Proceedings of 1995 IEEE Applied Power Electronics Conference and Exposition - APEC'95

CiteScore

3.20

自引率

0.00%

发文量