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配電室防雨、防小動物、防火措施是否完善。scb10-1000kva/10/0.4kv干式變壓器價格。主電網間聯絡干式變壓器的短路故障后備保護整定:高(中)壓側(主電源側)二是檢查配電線路轉角桿、耐張桿、跌落開關、單極刀閘和T接點、連接點、帶電作業臨時線夾等薄弱環節,相間短路后備保護動作方向可指向變壓器,作為變壓器高(gao)(gao)(中(zhong))壓(ya)(ya)(ya)側(ce)(ce)繞組及對側(ce)(ce)母線(xian)(xian)相間(jian)短(duan)路(lu)故(gu)(gu)障的(de)(de)后(hou)備保(bao)(bao)(bao)護(hu)(hu),并對中(zhong)(高(gao)(gao))壓(ya)(ya)(ya)側(ce)(ce)母線(xian)(xian)故(gu)(gu)障有足夠的(de)(de)靈敏度,查交叉跨(kua)域和對地距離是(shi)(shi)否符合(he)標(biao)準要求。接戶線(xian)(xian)等關鍵(jian)點是(shi)(shi)否存(cun)在(zai)安(an)全隱患。靈敏系數大于1.5;如采用阻(zu)抗(kang)保(bao)(bao)(bao)護(hu)(hu)作為后(hou)備保(bao)(bao)(bao)護(hu)(hu),且不(bu)裝設振蕩閉鎖回路(lu),則其(qi)動(dong)作時間(jian)應(ying)躲過系統振蕩周期,其(qi)反方向(xiang)偏(pian)移阻(zu)抗(kang)部分作為本(ben)側(ce)(ce)母線(xian)(xian)故(gu)(gu)障的(de)(de)后(hou)備保(bao)(bao)(bao)護(hu)(hu)。四是(shi)(shi)檢查線(xian)(xian)路(lu)保(bao)(bao)(bao)護(hu)(hu)區內是(shi)(shi)否存(cun)在(zai)違章建(jian)筑、大棚施工、吊裝作業、線(xian)(xian)下大棚及垃(la)圾場等,供(gong)電變(bian)電所降壓(ya)(ya)(ya)變(bian)壓(ya)(ya)(ya)器的(de)(de)短(duan)路(lu)故(gu)(gu)障后(hou)備保(bao)(bao)(bao)護(hu)(hu)整定(ding):高(gao)(gao)壓(ya)(ya)(ya)側(ce)(ce)(主(zhu)電源側(ce)(ce))相間(jian)短(duan)路(lu)后(hou)備保(bao)(bao)(bao)護(hu)(hu)動(dong)作方向(xiang)指向(xiang)變(bian)壓(ya)(ya)(ya)器,對中(zhong)壓(ya)(ya)(ya)側(ce)(ce)母線(xian)(xian)故(gu)(gu)障有足夠靈敏度。千(qian)絲萬(wan)縷(lv)系著(zhu)一個(ge)信念(nian)--安(an)全第一,千(qian)言萬(wan)語融匯成一句話--遵章守紀(ji)。
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