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