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低压接地电阻柜

低压接地电阻柜

      低压供用电(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)统(tong)(tong)中(zhong),发电(dian)(dian)(dian)(dian)(dian)(dian)机、电(dian)(dian)(dian)(dian)(dian)(dian)动机在(zai)(zai)运(yun)行中(zhong)发生单相(xiang)接(jie)地(di)是最常见(jian)的(de)故障(zhang),故障(zhang)点出现(xian)电(dian)(dian)(dian)(dian)(dian)(dian)弧接(jie)地(di)时(shi)会进一步(bu)扩大(da)定子绕组(zu)绝缘损害(hai)甚至导(dao)致铁(tie)芯灼(zhuo)伤烧(shao)结,如不及时(shi)发现(xian)并快速切(qie)除(chu),故障(zhang)将发展成为(wei)相(xiang)间或匝间短路。基于(yu)上(shang)述原因,国际广泛(fan)(fan)采用发电(dian)(dian)(dian)(dian)(dian)(dian)机、电(dian)(dian)(dian)(dian)(dian)(dian)动机中(zhong)性点高阻接(jie)地(di),以限制接(jie)地(di)电(dian)(dian)(dian)(dian)(dian)(dian)流,防(fang)止(zhi)各种过电(dian)(dian)(dian)(dian)(dian)(dian)压的(de)危害(hai),取得(de)了良好的(de)运(yun)行经验;从20世纪90年代开始,中(zhong)性点经电(dian)(dian)(dian)(dian)(dian)(dian)阻接(jie)地(di)方式在(zai)(zai)我国配电(dian)(dian)(dian)(dian)(dian)(dian)网系(xi)(xi)统(tong)(tong)中(zhong),目前已(yi)广泛(fan)(fan)地(di)应用于(yu)我国城市供电(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)统(tong)(tong)、电(dian)(dian)(dian)(dian)(dian)(dian)厂、地(di)铁(tie)、冶(ye)金及石化(hua)等(deng)系(xi)(xi)统(tong)(tong)。

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保(bao)定(ding)尚(shang)源电(dian)(dian)(dian)(dian)力(li)科技(ji)有限公司位于(yu)国家批准命名的(de)“中(zhong)(zhong)国电(dian)(dian)(dian)(dian)谷”——保(bao)定(ding)市高新技(ji)术产(chan)业开发区,是(shi)一家致力(li)于(yu)从事电(dian)(dian)(dian)(dian)力(li)继电(dian)(dian)(dian)(dian)保(bao)护(hu),中(zhong)(zhong)性点接地保(bao)护(hu),输(shu)变(bian)电(dian)(dian)(dian)(dian)设备(bei),自动化及微机监控设备(bei),电(dian)(dian)(dian)(dian)力(li)仪(yi)器仪(yi)表(biao)等产(chan)品研(yan)发,销售及服(fu)务的(de)现代高新技(ji)术企(qi)业。

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