三相FMSPWM软开关逆变器分析与设计

Transactions of China Electrotechnical Society(2007)

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Abstract
针对双极性FMSPWM逆变器只能用于单相变换器的问题,提出了一种三相FMSPWM软开关逆变器拓扑结构,分析了三相FMSPWM实现软开关的原理,提出了最佳载波频率公式,对电路中主要元件参数进行了设计。实验结果证明了该电路能实现三相逆变器开关管的软开关、改善输出波形质量。
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Key words
inverter,modulating frequency and width,Soft switching
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