????:1????????????:????

2????????????

3????????

4?????????

5????????

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

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

?????????,?????,“??,????????,???”

?,?,“??????”

??42????,???,?“??????????”????

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

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

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

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

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

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

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

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

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

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

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