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