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Zhejiang Yubu Electric Co., LTD 6yr.
Main Products:nylon cable tie，cable tie，Stainless steel cable tie，Expansion tube，cable clip，Tile cross，Frequency converter，Heat shrinkable tube，Cable joint，Throat band
Contacts:Huang HuahuaChat
Mobile:86-18867711136
WhatsApp:18867711136
E-mail: WeChat:18867711136
Address:15326 , 6 Street, 2 F, 43 Gate, International Trade Mart (District 2).
Address:Twelve hills， Houzhai Street， Yiwu City， Zhejiang Province,Yiwu,Jinhua City,Zhejiang Province
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变频器基本简介
1.变频器（Variable-frequency Drive，缩写：VFD），也称为变频驱动器或驱动控制器，可译作Inverter（和逆变器的英文相同）。变频器是可调速驱动系统的一种，是应用变频驱动技术改变交流电动机工作电压的频率和幅度，来平滑控制交流电动机速度及转矩，最常见的是输入及输出都是交流电的交流/交流转换器。
2.在变频器出现之前，要调整电动机转速的应用需透过直流电动机才能完成，不然就是要透过利用内建耦合机的VS电动机，在运转中用耦合机使电动机的实际转速下降，变频器简化了上述的工作，缩小了设备体积，大幅度降低了维修率。不过变频器的电源线及电动机线上面有高频切换的讯号，会造成电磁干扰，而变频器输入侧的功率因素一般不佳，会产生电源端的谐波。
变频器
3.变频器的应用范围很广，从小型家电到大型的矿场研磨机及压缩机。全球约1/3的能量是消耗在驱动定速离心泵、风扇及压缩机的电动机上，而变频器的市场渗透率仍不算高。能源效率的显著提升是使用变频器的主要原因之一。
4.变频器技术和电力电子有密切关系，包括半导体切换元件、变频器拓扑、控制及模拟技术、以及控制硬件及固件的进步等。
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