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