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

??

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

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

?,????,“????????????????????,?,???”

??????????,??????,“??????????????”

????????42???,????,?????????“????”???

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

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

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

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

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

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

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

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

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

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

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

?????????

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

????????