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henku
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樓主  發(fā)表于: 2008-11-07 11:38
最近在工作中遇見(jiàn)日立  L200的變頻器輸入為單相ＡＣ２２０Ｖ卻帶ＡＣ３８０Ｖ的電機．為此我至今不明白這是何原理．現慶給位大仙指點(diǎn)下．
竹風(fēng)涼
巧者勞，智者憂(yōu)，無(wú)能者，無(wú)所求。蔬食者遨游，泛若不系之舟。
級別: 家園�？�
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1樓  發(fā)表于: 2008-12-03 09:09
挺熱鬧,似乎聽(tīng)誰(shuí)都有理,是非還要自己甄別.
禍兮福所倚
福兮禍所伏
竹風(fēng)涼
巧者勞，智者憂(yōu)，無(wú)能者，無(wú)所求。蔬食者遨游，泛若不系之舟。
級別: 家園�？�
精華主題: 0
發(fā)帖數量: 470 個(gè)
工控威望: 588 點(diǎn)
下載積分: 516 分
在線(xiàn)時(shí)間: 146(小時(shí))
注冊時(shí)間: 2008-10-16
最后登錄: 2022-08-24
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2樓  發(fā)表于: 2008-12-03 17:56
星改角應該是最簡(jiǎn)單實(shí)用的方法
禍兮福所倚
福兮禍所伏

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