四(si)(si)級電(dian)(dian)力資質(zhi)(zhi)承(cheng)試(shi)設(she)備(bei)(bei)報價是(shi)(shi)不是(shi)(shi)很(hen)(hen)高(gao)(gao)?其(qi)次,四(si)(si)級電(dian)(dian)力資質(zhi)(zhi)承(cheng)試(shi)設(she)備(bei)(bei)之所以價格不高(gao)(gao),也是(shi)(shi)因為其(qi)整體可(ke)用(yong)性有待提高(gao)(gao)。俗話說,價格很(hen)(hen)低(di),可(ke)能(neng)是(shi)(shi)購買設(she)備(bei)(bei)是(shi)(shi)垃圾產品,使用(yong)時可(ke)能(neng)會給自己帶來很(hen)(hen)大的損失(shi)。西安旭之輝機電(dian)(dian)科技有限(xian)公司具備(bei)(bei)強大的檢測(ce)試(shi)驗能(neng)力,電(dian)(dian)力檢測(ce)試(shi)驗設(she)備(bei)(bei)第三方檢測(ce)校(xiao)準(zhun),35kV電(dian)(dian)壓...
2020-10-30其(qi)中提到(dao)的(de)護層過(guo)電(dian)壓(ya)保護器需要注意(yi)氧(yang)化鋅電(dian)阻片和非(fei)線(xian)性電(dian)阻片及其(qi)對地絕(jue)緣電(dian)阻。試驗(yan)過(guo)程(cheng)中,對氧(yang)化鋅電(dian)阻片施加直流(liu)(liu)參(can)考電(dian)流(liu)(liu)后,可通(tong)過(guo)測(ce)量壓(ya)降獲得直流(liu)(liu)參(can)考電(dian)壓(ya)。同時將非(fei)線(xian)性電(dian)阻的(de)所有引(yin)線(xian)并聯與接地外殼絕(jue)緣后,能夠(gou)用1000V兆歐表測(ce)量引(yin)線(xian)與外殼之間的(de)絕(jue)緣電(dian)阻(不得小(xiao)于10MΩ)
2020-10-29解說:“二(er)點五下乘(cheng)以九(jiu),往上減一順號走”:25mm及以下的(de)(de)各種截(jie)面鋁(lv)芯絕(jue)(jue)緣(yuan)線(xian),其載(zai)流量約為(wei)截(jie)面數的(de)(de)9倍。“條件有變加折(zhe)算(suan),高(gao)溫九(jiu)折(zhe)銅升(sheng)級(ji)”:鋁(lv)芯絕(jue)(jue)緣(yuan)線(xian)、明(ming)敷在(zai)環(huan)境溫度25℃的(de)(de)條件下而(er)定的(de)(de)。若鋁(lv)芯絕(jue)(jue)緣(yuan)線(xian)明(ming)敷在(zai)環(huan)境溫度長期高(gao)于25℃的(de)(de)地區,導(dao)線(xian)載(zai)流量可按上述(shu)口訣(jue)計算(suan)方法算(suan)出,然后再打(da)...
2020-10-28直流(liu)耐壓(ya)(ya)(ya)試(shi)(shi)驗(yan)可通(tong)(tong)過不(bu)同(tong)試(shi)(shi)驗(yan)電(dian)(dian)壓(ya)(ya)(ya)時泄漏電(dian)(dian)流(liu)的數值繪制(zhi)泄漏電(dian)(dian)流(liu)—電(dian)(dian)壓(ya)(ya)(ya)特性曲線,通(tong)(tong)過對電(dian)(dian)氣設備進行耐壓(ya)(ya)(ya)試(shi)(shi)驗(yan),可以發現絕緣的局(ju)部缺陷、受潮(chao)及老化。10KV電(dian)(dian)纜耐壓(ya)(ya)(ya)試(shi)(shi)驗(yan)的電(dian)(dian)壓(ya)(ya)(ya)和(he)時間是多(duo)少。電(dian)(dian)纜的直流(liu)耐壓(ya)(ya)(ya)試(shi)(shi)驗(yan)額定電(dian)(dian)壓(ya)(ya)(ya)4倍,時間1分鐘,因(yin)此10kV電(dian)(dian)纜直流(liu)耐壓(ya)(ya)(ya)試(shi)(shi)驗(yan)電(dian)(dian)壓(ya)(ya)(ya)為40kV
2020-10-27真(zhen)空(kong)(kong)開關動作特性需要用(yong)什么試驗(已發)在(zai)電(dian)力(li)系統中(zhong),高(gao)(gao)壓(ya)真(zhen)空(kong)(kong)開關主要用(yong)于電(dian)路開斷或者(zhe)關合(he)導電(dian)回路的(de)電(dian)氣設備(bei),一般高(gao)(gao)壓(ya)真(zhen)空(kong)(kong)開關不(bu)僅可(ke)以關閉或切斷高(gao)(gao)壓(ya)電(dian)路中(zhong)的(de)空(kong)(kong)載(zai)電(dian)流和(he)負荷電(dian)流,而且能在(zai)電(dian)力(li)系統內部發生(sheng)故障時,還(huan)可(ke)以通過(guo)繼(ji)電(dian)保護(hu)裝置的(de)作用(yong)切斷過(guo)載(zai)
2020-10-26