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气体继电器起什么作用？

来源(yuan)：detroitsignfactory.com     更新时间：2020-09-21

气(qi)体(ti)(ti)(ti)继(ji)电(dian)(dian)(dian)(dian)器(qi)(qi)是(shi)大、中型变压(ya)(ya)器(qi)(qi)不可(ke)缺少的(de)(de)安(an)全(quan)保护装(zhuang)置(zhi)(zhi)。变压(ya)(ya)器(qi)(qi)局部发生(sheng)(sheng)击(ji)穿或短路故(gu)障(zhang)时，常会破(po)坏绝缘或变压(ya)(ya)器(qi)(qi)油而产(chan)生(sheng)(sheng)气(qi)体(ti)(ti)(ti)。监视(shi)产(chan)生(sheng)(sheng)气(qi)体(ti)(ti)(ti)的(de)(de)速(su)度(du)、分析(xi)气(qi)体(ti)(ti)(ti)的(de)(de)各种特征(zheng)及成分，可(ke)以间(jian)接(jie)地推测故(gu)障(zhang)发生(sheng)(sheng)的(de)(de)原因、部位(wei)和(he)严重(zhong)程度(du)。在(zai)变压(ya)(ya)器(qi)(qi)出现突然(ran)性严重(zhong)故(gu)障(zhang)时，应自(zi)动报警或切断(duan)电(dian)(dian)(dian)(dian)源(yuan)，气(qi)体(ti)(ti)(ti)继(ji)电(dian)(dian)(dian)(dian)器(qi)(qi)就是(shi)起到(dao)(dao)上述作用(yong)的(de)(de)装(zhuang)置(zhi)(zhi)。平时变压(ya)(ya)器(qi)(qi)内(nei)产(chan)生(sheng)(sheng)的(de)(de)气(qi)体(ti)(ti)(ti)逐渐集积到(dao)(dao)气(qi)体(ti)(ti)(ti)继(ji)电(dian)(dian)(dian)(dian)器(qi)(qi)的(de)(de)上部，当(dang)达(da)到(dao)(dao)一定(ding)量(liang)时，发出警报信号。若故(gu)障(zhang)严重(zhong)，短时间(jian)内(nei)产(chan)生(sheng)(sheng)大量(liang)气(qi)体(ti)(ti)(ti)，油气(qi)流冲进气(qi)体(ti)(ti)(ti)继(ji)电(dian)(dian)(dian)(dian)器(qi)(qi)，它就能迅速(su)接(jie)通继(ji)电(dian)(dian)(dian)(dian)保护装(zhuang)置(zhi)(zhi)，自(zi)动切断(duan)电(dian)(dian)(dian)(dian)源(yuan)。
  常用气体继电器分浮筒式(shi)和挡板式(shi)两种，工作原(yuan)理基本相似。

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