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QZB自耦变压器

更新:2013/9/12 13:05:49      点击:
  • 产品品牌   
  • 产品型号   QZB
  • 产品描述

    QZB自耦变压器,是上海人民电气有限公司 http://www.shamandq.com 为您提供的关于QZB自耦变压器型号,QZB自耦变压器价格,有关QZB自耦变压器的相关资料,上海人民电气有限公司...

产品介绍
 降压起动自耦变压器|QZB起动自耦变压器,在自耦变压器降压起动的控制线路中,限制电动机起动电流

是依靠自耦变压器的降压作用来实现的。自耦变压器的初级和电源相接,自耦变压器的次级与电动机相联。

自耦变压器的次级一般有3个抽头,可得到3种数值不等的电压。使用时,可根据起动电流和起动转矩的要求

灵活选择。电动机起动时,定子绕组得到的电压是自耦变压器的二次电压,一旦起动完毕,自耦变压器便被

切除,电动机直接接至电源,即得到自耦变压器的一次电压,电动机进入全电压运行。通常称这种自耦变压

器为起动补偿器。这一线路的设计思想和串电阻起动线路基本相同,都是按时间原则来完成电动机起动过程

的。

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