無(wu)功補(bu)償(chang)(chang)對電網的安全、優質、經(jing)濟運(yun)行具(ju)有重要作用。合(he)理選(xuan)擇無(wu)功補(bu)償(chang)(chang)方案和無(wu)功補(bu)償(chang)(chang)元器(qi)件意義重大。本(ben)文重點分析了(le)常用無(wu)功補(bu)償(chang)(chang)元器(qi)件電容、電抗(kang)的特點,并結合(he)電網的現(xian)狀就自愈式電容器(qi)和串(chuan)聯電抗(kang)器(qi)的選(xuan)擇方面提(ti)出(chu)了(le)幾點注意事項。
醫院配電(dian)系(xi)統無(wu)功補償(chang)柜設計時需要注意(yi)的事項
電(dian)(dian)能(neng)質(zhi)量(liang)測試儀是(shi)新一代多功能(neng)電(dian)(dian)力儀表,產品(pin)設(she)計(ji)過程(cheng)中充分考慮(lv)了高性(xing)能(neng)和(he)易(yi)用性(xing)。它具備電(dian)(dian)力參(can)數測量(liang)、完善的電(dian)(dian)能(neng)計(ji)量(liang)、分時(shi)復費率電(dian)(dian)能(neng)、定時(shi)自動抄表、電(dian)(dian)能(neng)質(zhi)量(liang)分析、實時(shi)電(dian)(dian)網波形和(he)相位(wei)測量(liang)、可編(bian)(bian)程(cheng)遙控報(bao)警、可編(bian)(bian)程(cheng)模擬量(liang)輸(shu)出、可編(bian)(bian)程(cheng)開關輸(shu)入、可編(bian)(bian)程(cheng)需量(liang)統計(ji)記(ji)(ji)錄(lu)、SOE事件記(ji)(ji)錄(lu)、負荷曲線(xian)、分次諧波測量(liang)等(deng)功能(neng)。
對(dui)于沒有沖擊性(xing)負(fu)荷(he)的電(dian)(dian)(dian)網(wang)及供(gong)電(dian)(dian)(dian)范圍內負(fu)荷(he)變化(hua)不大的情(qing)況(kuang),電(dian)(dian)(dian)壓(ya)波(bo)動(dong)和(he)閃(shan)變的影響很(hen)小(xiao)或不存(cun)在(zai),電(dian)(dian)(dian)壓(ya)波(bo)動(dong)和(he)閃(shan)變的指標一(yi)般不需要在(zai)線(xian)連(lian)續(xu)監測(ce)(ce)(ce),定(ding)期檢測(ce)(ce)(ce)的時間(jian)一(yi)般半年(nian)或一(yi)年(nian)一(yi)次能滿足要求(qiu)。對(dui)存(cun)在(zai)沖擊性(xing)負(fu)荷(he)的電(dian)(dian)(dian)網(wang),一(yi)般一(yi)個季度或一(yi)個月檢測(ce)(ce)(ce)一(yi)次,可視具體(ti)情(qing)況(kuang)而定(ding),檢測(ce)(ce)(ce)儀器使用閃(shan)變儀或便(bian)攜式電(dian)(dian)(dian)能質量分析儀。