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電表通電應檢查一些什么
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發布日期:2020-11-02
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電表通(tong)(tong)(tong)電(dian)的(de)檢查(cha):通(tong)(tong)(tong)電(dian)檢查(cha)電(dian)表是否工(gong)作正常。智(zhi)(zhi)能電(dian)能表借助遠(yuan)程通(tong)(tong)(tong)信(xin)功(gong)能,用(yong)戶(hu)在異地可以通(tong)(tong)(tong)過互聯網或者移動通(tong)(tong)(tong)信(xin)網絡(luo)對家(jia)里的(de)各種智(zhi)(zhi)能負荷,如空調、洗(xi)衣機、冰箱、照明等實現(xian)(xian)遠(yuan)端開關(guan)控制,同時通(tong)(tong)(tong)過智(zhi)(zhi)能電(dian)表的(de)遠(yuan)端通(tong)(tong)(tong)信(xin)功(gong)能還(huan)可以實現(xian)(xian)異地監(jian)控和報警。

電表通電應檢查一些什么

電表通電應檢查一些什么

智(zhi)能電(dian)(dian)(dian)(dian)能表(biao)作(zuo)為(wei)電(dian)(dian)(dian)(dian)網的(de)(de)入戶接(jie)口,一(yi)方面(mian)電(dian)(dian)(dian)(dian)網通(tong)過(guo)(guo)智(zhi)能電(dian)(dian)(dian)(dian)表(biao)將安全、高質(zhi)的(de)(de)電(dian)(dian)(dian)(dian)能輸送到(dao)用(yong)戶的(de)(de)用(yong)電(dian)(dian)(dian)(dian)設備(bei)上;而(er)隨著新(xin)能源的(de)(de)廣泛應用(yong),許(xu)多分(fen)布式新(xin)能源,如(ru)風能、太陽能等(deng),已經(jing)在用(yong)戶端得到(dao)了(le)充分(fen)的(de)(de)使用(yong),這種微型分(fen)布式能源也可(ke)(ke)以通(tong)過(guo)(guo)智(zhi)能電(dian)(dian)(dian)(dian)表(biao)反(fan)(fan)饋(kui)到(dao)電(dian)(dian)(dian)(dian)網中,與(yu)電(dian)(dian)(dian)(dian)網實現并(bing)網。所以智(zhi)能電(dian)(dian)(dian)(dian)表(biao)需要具備(bei)雙向電(dian)(dian)(dian)(dian)能傳輸和計量的(de)(de)功(gong)能。如(ru)有不轉、反(fan)(fan)轉和誤差過(guo)(guo)大等(deng)失常(chang)現象,應分(fen)析原因(yin)予以排除(chu)。造(zao)成(cheng)這些(xie)故障的(de)(de)原因(yin),大多數是接(jie)線錯誤。造(zao)成(cheng)反(fan)(fan)轉的(de)(de)原因(yin),除(chu)可(ke)(ke)能為(wei)電(dian)(dian)(dian)(dian)壓、電(dian)(dian)(dian)(dian)流(liu)線圈性接(jie)反(fan)(fan),電(dian)(dian)(dian)(dian)流(liu)、電(dian)(dian)(dian)(dian)壓互(hu)感器性接(jie)反(fan)(fan)外(wai),也可(ke)(ke)能是負載失常(chang)。

例如(ru),在三相(xiang)有(you)(you)功(gong)(gong)電(dian)(dian)(dian)表(biao)(biao)(biao)的(de)(de)負載(zai)中,當容量較大的(de)(de)電(dian)(dian)(dian)機(ji)(ji)出現超速運轉時(shi),電(dian)(dian)(dian)動機(ji)(ji)變成了發電(dian)(dian)(dian)機(ji)(ji)運行(xing),這(zhe)時(shi)有(you)(you)功(gong)(gong)電(dian)(dian)(dian)度表(biao)(biao)(biao)就會反轉。計(ji)(ji)算核對(dui)電(dian)(dian)(dian)表(biao)(biao)(biao)的(de)(de)運行(xing)情況:電(dian)(dian)(dian)表(biao)(biao)(biao)在投入(ru)使用(yong)一(yi)段時(shi)間后應進行(xing)計(ji)(ji)算核對(dui)。有(you)(you)時(shi)接線(xian)雖然錯誤,單從電(dian)(dian)(dian)度表(biao)(biao)(biao)的(de)(de)運行(xing)狀態(tai)上很難觀察出來(lai),這(zhe)就要根據負載(zai)的(de)(de)功(gong)(gong)率(lv)、功(gong)(gong)率(lv)因素和工(gong)作(zuo)時(shi)間進行(xing)計(ji)(ji)算,將計(ji)(ji)算結果(guo)與電(dian)(dian)(dian)表(biao)(biao)(biao)讀數(shu)進行(xing)對(dui)比,以(yi)便確認電(dian)(dian)(dian)表(biao)(biao)(biao)的(de)(de)可靠運行(xing)。

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