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基于GaN的高效率1.6kW高密度1MHz CrM图腾柱PFC转换器控制的PFC如何实现软开关

该拓扑结构应是与软开关的实现密切相关,那么请问这个拓扑比较的意义和作用是什么呢?

1.比较电感电压的大小吗?

2.AUX1A输出接的电容是什么作用?

3.blank是由什么获得的?

4.为何输出1=ZVS LOSS?