With high chopping frequency and novel control strategy, the size of filter elements is reduced and switching loss of IGBTs drops.
由于采用了较高的斩波频率和新颖的控制策略，减小了滤波元件的尺寸，并降低了IGBT的开关损耗。
The transient peak voltage of the heterojunctions were observed when the laser was turned on and off, and increased with chopping frequency and showed saturate tendency finally.
在激光打开和关闭时，都观测到了异质结光伏信号的瞬态响应峰值，且该峰值随斩波频率不断增大并在频率较大时趋于饱和。
The transient peak voltage of the heterojunctions were observed when the laser was turned on and off, and increased with chopping frequency and showed saturate tendency finally.
在激光打开和关闭时，都观测到了异质结光伏信号的瞬态响应峰值，且该峰值随斩波频率不断增大并在频率较大时趋于饱和。
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