An APFC circuit based on average current mode control is designed and tested. It is indicated that the average current mode control has many advantages.
用平均电流型控制原理设计一个APFC电路，并进行了实际测试，证明该平均电流型控制的优越性。
Passive Power factor correction circuit, two-stage and single-stage APFC circuits are researched, which applications are given by comparison of their performance.
对无源pfc电路、有源两级PF c电路和有源单级PF C电路进行了分析及性能比较，指出它们分别适用的场合。
The operation principle of APFC circuit is analysed, the design method of the key circuit parameter is particularly introduced, and a design example is also given.
分析了有源功率因数校正电路的工作原理，详细介绍了关键电路参数设计方法，并给出了设计实例。
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