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推挽效率偏低,经过示波器测量,发现关断损耗太大,想采用软开关。
推挽电路,变压器绕组串联LC谐振电路,在特定条件下可以实现MOS管零电压开启。
变压器的漏感太小 试过额外加电感和电容,使其频率为开关频率 ,但是没有效果,而且使igbtce间的电压波形变得很奇怪