?????????????:???????????
?????????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?????????,???????????????,??????????
???,??????,???????????,???????????????????????,?????(????????)
?????????:???????????
??