- 十大消弧線圈企業排名!河北旭輝電氣第一
- 發布人:電虎網 時間:2017-05-15 新聞來源:電大象網 瀏覽量:
消弧線圈
是一種帶鐵芯的電感線圈,應用在中性點接地系統中,電力系統輸電線路經消弧線圈接地,為小電流接地系統的一種。
當線(xian)路(lu)發(fa)生短路(lu)接地時,電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)在(zai)30A以上的情況下,放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)間隙產(chan)生的電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)會升(sheng)高(gao)2.5-3倍的線(xian)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya),當變(bian)壓(ya)(ya)器中性點加裝消(xiao)弧線(xian)圈(quan)后,放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)處(chu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)在(zai)電(dian)(dian)(dian)(dian)(dian)感線(xian)圈(quan)阻尼作用(yong)下,得(de)不到升(sheng)高(gao),從而減(jian)(jian)小(xiao)了(le)放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)的大小(xiao),電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)減(jian)(jian)小(xiao)了(le),也就起到了(le)消(xiao)弧的作用(yong)。當兩電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)的量值(zhi)小(xiao)于發(fa)生電(dian)(dian)(dian)(dian)(dian)弧的最(zui)小(xiao)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)時,電(dian)(dian)(dian)(dian)(dian)弧就不會發(fa)生,也不會出現諧振(zhen)過電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)現象(xiang)。
本期資訊,“國內專業的電氣產品銷售與服務平臺”——電老虎網為大家整理了2014、2015和2016這三年,在國網輸變電項目——消弧線圈招標中標的企業名單,具體如下圖表:
2016年消弧線圈中標企業排名
2014年消弧線圈中標企業排名
這三年的消弧線圈中標名單中,主要中標企業以思源電氣、河北旭輝電氣、北京電力設備總廠、山東泰開電力電子、許繼電氣這5家為主,中標總數超過90%。在國家電網公司輸變電項目2017年第一次變電設備(含電纜)招標采購—消弧線圈中,12包消弧線圈被6家供應商分享,上述5家企業均有中標。
在消弧線圈這個領域,誰能更勝一籌?是思源電氣?或是河北旭輝電氣?還是許繼電氣?感謝您的支持!如果此文對您有幫助,歡迎轉發哦,也歡迎大家通過留言發表自己的觀點!
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重要的(de)詞:十大(da),消弧,線圈,企業,排名(ming),河(he)北,旭輝,電氣,
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