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xinxuefeng12
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12樓  發(fā)表于: 2010-01-31 20:51
引用
引用第2樓lxhwawa于2010-01-26 18:15發(fā)表的  :
同意樓上，你可以在變頻器參數中修改載波率，載波率越大，噪音越小，漏電流越大；反之噪音越大，漏電流越小

贊同！
hta
HHTA
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13樓  發(fā)表于: 2010-02-09 16:28
學(xué)習了
gongp123
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14樓  發(fā)表于: 2010-02-09 16:38
看一下電機的型號，帶普通異步電機時(shí)容易產(chǎn)生尖叫聲，帶變頻專(zhuān)用電機就很少。
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