???????????:?????????????
?????????2??15??? ????????:????????:?
?????? ?? ???
?,????,“??,????,????????”
?,????????,“???????????????????????????????????”
??????????????????42???????????????????,????????????,??“???????????”?????????
![](http://i2.chinanews.com.cn/simg/ypt/2025/250215/5154c29f-72a8-4656-902d-8ea31da84cda_zsite.jpg)
???????????,?????????“????????????”??????3910??????????,??“PLC?????????”????????30??,??????1??????????12????????????????20???????????,?????????
2002???,???????????????????????????????????,2012????????????
“????????,?????,????8?????????????????????”???????,????,???,????????????????????????????120????600??,?????????8??200??,???????????????????,???,??????????
![](http://i2.chinanews.com.cn/simg/ypt/2025/250215/ac685ecb-915b-4407-acc3-7b6ca0e290d7_zsite.jpg)
?????,??????????,???????,???????????????????:????????????????,?????????,??????????IGBT???
????,????????,??,“?,??????110V?……????????????????600V?”
??????????????,???,“??,????????,???????????,????????IGBT???????”
???,???IGBT????????,???????????????????????,??
?????????,????,????????????????????????,????????????????????,???????????????(??)
??????:???????????????????
??