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电压互感器的主要类型

来源:河南广盛电器有限公司添加时间:2018-12-17

  ⑴按安装地点可分为户内(nei)式(shi)和户外式(shi)。35kV及以(yi)下(xia)多制成户内(nei)式(shi);35kV以(yi)上则制成户外式(shi)。

  ⑵按相(xiang)数可分为(wei)单(dan)相(xiang)和三(san)相(xiang)式,35kV及以上不能制成三(san)相(xiang)式。

  ⑶按绕组数目可分为双绕组和三绕组电(dian)压互感器,三绕组电(dian)压互感器除一次侧(ce)(ce)和基本二次侧(ce)(ce)外,还有一组辅助二次侧(ce)(ce),供接地(di)保护用。

  ⑷按(an)绝缘方(fang)式(shi)(shi)(shi)(shi)可分为(wei)干式(shi)(shi)(shi)(shi)、浇注式(shi)(shi)(shi)(shi)、油浸式(shi)(shi)(shi)(shi)和充气(qi)式(shi)(shi)(shi)(shi)。干式(shi)(shi)(shi)(shi)电(dian)(dian)压互感器(qi)结构简单(dan)、无着火和爆炸危险(xian),但绝缘强度较低,只适用(yong)于6kV以(yi)下(xia)的户内(nei)式(shi)(shi)(shi)(shi)装(zhuang)置;浇注式(shi)(shi)(shi)(shi)电(dian)(dian)压互感器(qi)结构紧(jin)凑、维护(hu)方(fang)便(bian),适用(yong)于3kV~35kV户内(nei)式(shi)(shi)(shi)(shi)配(pei)电(dian)(dian)装(zhuang)置;油浸式(shi)(shi)(shi)(shi)电(dian)(dian)压互感器(qi)绝缘性能较好,可用(yong)于10kV以(yi)上的户外式(shi)(shi)(shi)(shi)配(pei)电(dian)(dian)装(zhuang)置;充气(qi)式(shi)(shi)(shi)(shi)电(dian)(dian)压互感器(qi)用(yong)于SF6全封闭电(dian)(dian)器(qi)中。

  ⑸按工作原理划分,还可分为(wei)电(dian)(dian)磁(ci)式电(dian)(dian)压互感器,电(dian)(dian)容式电(dian)(dian)压互感器和电(dian)(dian)子式电(dian)(dian)压互感器。


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