AEG ALU202

AEG ALU202

AEG ALU202

v

只要改變輸入頻率、電機轉(zhuǎn)差率、電機磁極對數(shù)，任意一項即可以改變電動機轉(zhuǎn)速，改變電機磁極對數(shù)調(diào)速是極的，即選用多極電動機，但多極電動機繞組比較復雜。
　　而改變電機轉(zhuǎn)差率調(diào)速又是不經(jīng)濟的，對鼠籠型異步電動機只有改變其頻率，才是既經(jīng)濟又現(xiàn)實的調(diào)速方式，所以通過改變電動機工作電源頻率達到改變電機轉(zhuǎn)速的目的，被稱為變頻調(diào)速，而變頻器就是主要依靠這個起作用的裝置?！?/span>
　

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張可可（銷售工程師）
：

:  1640913454  2859764516

： 
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