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樓主  發(fā)表于: 2008-09-13 21:33
我是做系統工程的，plc編程和變頻的使用都沒(méi)問(wèn)題。但我想學(xué)習一下維修變頻器的硬件，不知道好不好學(xué)？我對變頻的原理不怎么懂的？有人讓我交5000元的學(xué)費一個(gè)月就能學(xué)會(huì )，并且什么牌子的變頻器的硬件維修都沒(méi)問(wèn)題，大家給個(gè)意見(jiàn)。他是不是在騙人？在線(xiàn)等回答
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1樓  發(fā)表于: 2008-09-13 21:53
　　騙人的，變頻器的原理可能一樣．但對硬件電路的了解，需要很多的知識．當然有一種方法，就是和修手機一樣，把電路板分成若干功能電路，用好的元件一一更換．拉面和刀削面還不一樣呢

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