?? ?????????????:???????????
![](http://n.sinaimg.cn/translate/700/w900h600/20180923/1EAx-hkmwytn6317217.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?????,??????,????????????
?,?????,??????,????????????????????????,??????(??)
?????????:?????