????:1???500???????:????????

2??????

3??????95?

4???????

5??????????

???????????2????15? ???????????????????:???????:?????

??? ???????? ??????

????????????,????????,“????????????????????????????,?????????,????”

???,??????????,“??????”

???42????????????????????,????????,????????“?????????”????????????????

???????????????????????? ??????

????????,??????????????????????????????????“????????????????”?3910????,?????????“PLC??”?????30????,????1??12????????????????20??????????,??????????

2002??,?????????????????,2012???

“????????,?????????,??????????8????”???????????????,??,???????????,????120???????600?????,??????????8??????200????????,??,??????????????,??

???????????? ??????

???????????,????,???????????????????,????????????????:??,??????,??IGBT????????????

?????????????????,???????????????????????,??,“???????????????????,?110V??????????……??600V?”

???????????,??????????????,“????????,??,??????????,???????IGBT??”

???????????,?IGBT?????????,???????,??????????

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

??????????:????