EMF2172IB倫茨變頻器火爆勁銷
EMF2172IB倫茨變頻器火爆勁銷
失速防止功能是什么意思?
如果給定的加速時間過短,變頻器的輸出頻率變化遠遠超過轉(zhuǎn)速(電角頻率)的變化,變頻器將因流過過電流而跳閘,運轉(zhuǎn)停止,這就叫作失速。為了防止失速使電機繼續(xù)運轉(zhuǎn),就要檢出電流的大小進行頻率控制。當(dāng)加速電流過大時適當(dāng)放慢加速速率。減速時也是如此。兩者結(jié)合起來就是失速功能。
EVS9326-EPV100
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9329 EVS9329-ES
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EVS9331-ES
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EVS9332-ETV100