双管正激变换电路变压器两端波形哪个是对的?(附测试图)

我的测试波形如图1,但理论上是否应如图2呢?测试条件如图3.
是要符合伏秒相等,但这下降沿也有点不理想啊,这开关管的判断与开通就这么地不同吗?大家踊跃指教啊

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