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变频器工作原理
更新时间: 2021-04-17 15:57:26  

变频器原理(英文Variable-frequency Drive,简称VFD)是应用变频技术与微电子技术的原理,通过改变电机工作电频率的方式控交流电动机的电力控设备。使用的电分为交流电和直流电,一般的直流电大多是由交流电通过变压器变压,整流滤波后得到的。交流电在人们使用电中占总使用电的95%左右。

关键词: 变频 工作 原理

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