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aabbcc296
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樓主  發(fā)表于: 2009-07-10 09:21
惠豐37KW變頻器用的10千歐電位器換了幾個(gè)2W10千歐電位器都調速不穩,電機時(shí)快時(shí)慢,尋問(wèn)廠(chǎng)家,說(shuō)買(mǎi)的10千歐電位器可能是劣質(zhì)品,換了惠豐變頻器專(zhuān)用的10千歐電位器就好了.可是我們買(mǎi)的同一批電位器2.2千歐2W的用在5.5KW變頻器上都好好的.難道惠豐37KW變頻器必須用惠豐專(zhuān)配的電位器?請高手教教!
xjx0618
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1樓  發(fā)表于: 2009-07-10 14:22
你注意到一個(gè)環(huán)節沒(méi)有--電位器型號后的尾綴'X"-線(xiàn)性式;"Z"-指數式,(還有D--對數式)如WX-2W-10K-X即為2W,10K繞線(xiàn)式線(xiàn)性電位器.這種電位器主要用在要求變化平穩的場(chǎng)所如儀器中,指數式;對數式故明思意它是按指數或者對數曲線(xiàn)變化的.多用于收音機;音響等設備中作音量或者音調用.你看看你的2.2K歐和10K歐的是否有這個(gè)差異?
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