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

2?????

3??????????????

4?????spa

5???????

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

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

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

???????????,??????????,“???”

??42????????,??,?“?????”??????????

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

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

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

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

?????? ????

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

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

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

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

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

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