?? ???????????:?????????????
![](http://n.sinaimg.cn/news/transform/200/w600h400/20180921/AwTJ-hkhfqnt5269345.jpg)
????:1???????????:??????
2???????????
3????????
4??????????????
5??????????
??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?????????,??????????,???
???????????,???????????,??????????????????,????????????????????????????????,??????(?????????)
???????????:??????????