In many cases, however, an intermediate DC bus voltage is used, derived from an AC/DC regulator that takes a universal AC input and provides PFC, isolation, and filtering.

 
  • 然而,在很多情况下,我们需要使用一个中间DC总线电压,它是由一个采用了通用AC输入并且PFC、隔离和滤波的AC/DC调节器产生的。
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