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中電氣設備選(xuan)擇不(bu)當造成的(de)常(chang)見錯誤(wu):生產過程中交流(liu)接(jie)(jie)觸(chu)器(qi)的(de)體積選(xuan)擇不(bu)當,不(bu)同(tong)組的(de)插座控制電路安裝了相(xiang)同(tong)體積的(de)交流(liu)接(jie)(jie)觸(chu)器(qi),三(san)相(xiang)負載的(de)差異不(bu)完全(quan)考慮過的(de)。在(zai)平衡狀(zhuang)態下(xia),不(bu)能在(zai)所有正常(chang)模(mo)型中選(xuan)擇某些(xie)組的(de)輸(shu)出交流(liu)接(jie)(jie)觸(chu)器(qi)的(de)電流(liu)水(shui)平。基本上,電流(liu)水(shui)平是通過一個步驟選(xuan)擇的(de),該(gai)步驟會導致交流(liu)接(jie)(jie)觸(chu)器(qi)在(zai)高溫天氣下(xia)運行(xing)期間燒斷。
根(gen)據電(dian)氣設(she)備(bei)的接線(xian)規定(ding),接線(xian)盒可安裝在封(feng)閉或(huo)半封(feng)閉的金屬(shu)外殼(ke)中或(huo)屏幕上,以(yi)形成配(pei)電(dian)室設(she)備(bei)。如果一切正(zheng)常,可以(yi)使用(yong)手或(huo)控制開關連接或(huo)斷(duan)開電(dian)源電(dian)路。常見的錯誤或(huo)異常取決(jue)于家(jia)用(yong)電(dian)器的維護,以(yi)斷(duan)開電(dian)路或(huo)警報(bao)。識別儀可以(yi)在信(xin)息模式下顯示各(ge)種(zhong)主要(yao)(yao)參數,還(huan)可以(yi)調整某些電(dian)氣設(she)備(bei)的主要(yao)(yao)參數,并(bing)提醒或(huo)發(fa)出(chu)所有正(zheng)常工(gong)作設(she)置的偏差(cha)信(xin)號。常用(yong)于發(fa)電(dian),配(pei)電(dian)和變電(dian)站。
涉及電源系統中發電,傳輸,分配,轉換和功耗中的接通和斷開,控制或保護的作用。高壓配電柜用作電(dian)壓(ya)(ya)(ya)(ya)等級在3.6 kV~550 kV的電(dian)氣(qi)產品作為高(gao)(gao)壓(ya)(ya)(ya)(ya)隔(ge)離開(kai)關,有接地開(kai)關,高(gao)(gao)壓(ya)(ya)(ya)(ya)斷(duan)路器(qi)(qi),自動高(gao)(gao)壓(ya)(ya)(ya)(ya)重合和斷(duan)開(kai)裝(zhuang)置(zhi),高(gao)(gao)壓(ya)(ya)(ya)(ya)操作機構,防爆(bao)高(gao)(gao)壓(ya)(ya)(ya)(ya)配電(dian)裝(zhuang)置(zhi)和高(gao)(gao)壓(ya)(ya)(ya)(ya)開(kai)關柜(ju)等不同類別。通(tong)常,連(lian)接到系統(tong)(tong)主(zhu)母(mu)線(xian)的電(dian)容(rong)(rong)器(qi)(qi)柜(ju)用于中央無(wu)功(gong)功(gong)率補(bu)償,并(bing)且(qie)通(tong)常與輸(shu)入柜(ju)并(bing)聯安(an)裝(zhuang)(系統(tong)(tong)具有PT柜(ju),應為高(gao)(gao)壓(ya)(ya)(ya)(ya)系統(tong)(tong),而低壓(ya)(ya)(ya)(ya)系統(tong)(tong)沒有PT柜(ju)- PT柜(ju)相(xiang)當(dang)于降低變壓(ya)(ya)(ya)(ya)器(qi)(qi),只(zhi)需(xu)要低壓(ya)(ya)(ya)(ya)變壓(ya)(ya)(ya)(ya)器(qi)(qi),但是電(dian)容(rong)(rong)器(qi)(qi)柜(ju)很(hen)少用于高(gao)(gao)壓(ya)(ya)(ya)(ya)系統(tong)(tong)中,并(bing)且(qie)高(gao)(gao)壓(ya)(ya)(ya)(ya)電(dian)容(rong)(rong)器(qi)(qi)很(hen)難制(zhi)造,并(bing)且(qie)通(tong)常在低壓(ya)(ya)(ya)(ya)側進行集中補(bu)償。