12V逆变可做到的最大功率是多少?高手请进有图,我的管子发热问题已解决
我做了一个SPWM逆变电源,频率为20KHZ,用的1K107微晶逆变铁芯,初级2T次级50T,开关管为P75NF75,共6只.驱动块是3846,死区占1\10,200W以下一切正常,但是只要高200W左右,输出电压就会低到150V左右,并且开关管发热严重.去除反遣电路后还是如此,请问问题出在哪里?请指教!
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