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中(zhong)電(dian)氣(qi)設備選擇(ze)(ze)不(bu)當(dang)造成(cheng)的(de)(de)常(chang)見錯誤:生產過(guo)程中(zhong)交(jiao)流(liu)接觸(chu)器的(de)(de)體積選擇(ze)(ze)不(bu)當(dang),不(bu)同(tong)組的(de)(de)插(cha)座控制(zhi)電(dian)路安裝了(le)相(xiang)同(tong)體積的(de)(de)交(jiao)流(liu)接觸(chu)器,三(san)相(xiang)負載(zai)的(de)(de)差異不(bu)完全(quan)考(kao)慮過(guo)的(de)(de)。在平(ping)衡狀態下,不(bu)能(neng)在所有(you)正(zheng)常(chang)模(mo)型(xing)中(zhong)選擇(ze)(ze)某些組的(de)(de)輸出交(jiao)流(liu)接觸(chu)器的(de)(de)電(dian)流(liu)水(shui)平(ping)。基本(ben)上,電(dian)流(liu)水(shui)平(ping)是(shi)通過(guo)一個步驟選擇(ze)(ze)的(de)(de),該步驟會導(dao)致(zhi)交(jiao)流(liu)接觸(chu)器在高溫(wen)天氣(qi)下運行期(qi)間燒(shao)斷。
根據電(dian)氣設(she)(she)備(bei)的(de)(de)接線規定,接線盒可(ke)安裝(zhuang)在(zai)封(feng)閉(bi)或(huo)半(ban)封(feng)閉(bi)的(de)(de)金屬外殼中或(huo)屏幕上,以(yi)形成(cheng)配電(dian)室設(she)(she)備(bei)。如果一切正常,可(ke)以(yi)使用(yong)手或(huo)控制(zhi)開(kai)關連接或(huo)斷開(kai)電(dian)源電(dian)路。常見(jian)的(de)(de)錯誤(wu)或(huo)異常取決于(yu)家(jia)用(yong)電(dian)器的(de)(de)維護,以(yi)斷開(kai)電(dian)路或(huo)警報。識別儀可(ke)以(yi)在(zai)信息模(mo)式下顯示各種主(zhu)要參數,還可(ke)以(yi)調整某(mou)些電(dian)氣設(she)(she)備(bei)的(de)(de)主(zhu)要參數,并(bing)提醒或(huo)發出所有(you)正常工(gong)作設(she)(she)置的(de)(de)偏差(cha)信號。常用(yong)于(yu)發電(dian),配電(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)(ya)(ya)等級在3.6 kV~550 kV的電(dian)氣產品作為高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)隔離開(kai)關,有接地開(kai)關,高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)斷路器(qi)(qi),自(zi)動高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)重(zhong)合和斷開(kai)裝(zhuang)置,高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)操作機構,防爆(bao)高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)配電(dian)裝(zhuang)置和高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)開(kai)關柜等不同(tong)類別。通常,連(lian)接到系統(tong)(tong)主母線的電(dian)容器(qi)(qi)柜用于(yu)中央無功功率補償,并(bing)且通常與輸入柜并(bing)聯安裝(zhuang)(系統(tong)(tong)具有PT柜,應為高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)系統(tong)(tong),而低壓(ya)(ya)(ya)(ya)(ya)(ya)系統(tong)(tong)沒有PT柜- PT柜相當于(yu)降(jiang)低變壓(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi),只需要低壓(ya)(ya)(ya)(ya)(ya)(ya)變壓(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi),但是電(dian)容器(qi)(qi)柜很(hen)少用于(yu)高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)系統(tong)(tong)中,并(bing)且高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)電(dian)容器(qi)(qi)很(hen)難(nan)制(zhi)造,并(bing)且通常在低壓(ya)(ya)(ya)(ya)(ya)(ya)側進行集中補償。