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Implementation of soft-switching bidirectional flyback converter without auxiliary switch

机译:无辅助开关的软开关双向反激转换器的实现

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摘要

A new bidirectional flyback converter is introduced in this study. To provide soft-switching condition, two identical auxiliary circuits are applied to both sides of the converter, without using any extra switches. These circuits do not impose high voltage or current stresses on the converter. To transfer the power in each direction, only one switch is gated through pulse-width modulation technique. So, the control circuit of this converter is very simple. Regardless of the power flow direction, the switch of the converter is turned on under zero-current condition and is almost turned off under zero-voltage condition. The experimental results of the proposed bidirectional converter are presented to verify the theoretical analysis.
机译:本研究介绍了一种新型的双向反激转换器。为了提供软开关条件,两个相同的辅助电路应用于转换器的两侧,而无需使用任何额外的开关。这些电路不会在转换器上施加高电压或高电流应力。为了在每个方向上传输功率,通过脉宽调制技术只能选通一个开关。因此,该转换器的控制电路非常简单。无论功率流向如何,转换器的开关在零电流条件下导通,而在零电压条件下几乎截止。提出的双向转换器的实验结果被提出来验证理论分析。

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