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

2?????600?????

3??????

4???????

5???????

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

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

??????,?,“??????,????????,?????????”

??,??,“??????????????”

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

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

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

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

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

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

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

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

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

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

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

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