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