
接地線成(cheng)組電阻(zu)測(ce)試儀(yi)是我(wo)公司研制的壹種(zhong)自動(dong)化程度(du)很(hen)高的便(bian)攜(xie)式(shi)測(ce)試儀(yi),專門用(yong)於測(ce)量(liang)攜(xie)帶(dai)型(xing)短路(lu)接地線以及個(ge)人保護(hu)接地線的直(zhi)流(liu)電(dian)阻(zu)。儀(yi)器采用高(gao)性能(neng)單片(pian)機控制,可實現(xian)測(ce)試過(guo)程智(zhi)能(neng)化(hua),操作簡(jian)單方便、精度高(gao)、測(ce)試速(su)度快,復測(ce)性好(hao)、讀(du)數(shu)直(zhi)觀,是(shi)符(fu)合規程(cheng)要(yao)...
測(ce)量(liang)系統(tong)的功(gong)能要(yao)求a.測(ce)量(liang)系統(tong)采用泰克示(shi)波(bo)器作(zuo)為數(shu)據采集核心(xin),前(qian)端(duan)帶(dai)有(you)專用高(gao)壓衰減器,將(jiang)從(cong)分(fen)壓器或(huo)分(fen)流(liu)器傳來(lai)的高(gao)壓(ya)測(ce)量(liang)信(xin)號(hao),無(wu)畸(ji)變(bian)衰減為可測(ce)量(liang)的低(di)壓(ya)信(xin)號(hao)輸(shu)入泰克示(shi)波(bo)器記(ji)錄輸(shu)入電(dian)壓(ya),並(bing)將(jiang)數(shu)字(zi)化(hua)的信(xin)號(hao)通過(guo)光(guang)纖傳送給(gei)計(ji)算機進(jin)行分(fen)析計算。測(ce)量(liang)軟(ruan)件采...
在(zai)電(dian)力變壓器的半(ban)成(cheng)品(pin)、成(cheng)品(pin)生產(chan)過(guo)程中(zhong),新(xin)安(an)裝(zhuang)的變(bian)壓(ya)器投(tou)入運(yun)行之前以及根(gen)據國(guo)家電力部(bu)的預防性試驗(yan)規程(cheng)中(zhong),要(yao)求變壓器進(jin)行匝(za)數(shu)比或(huo)電(dian)壓(ya)比測(ce)試。傳統(tong)的變(bian)比電橋(qiao)操作繁(fan)瑣(suo),讀數(shu)不直(zhi)觀,且(qie)要(yao)進(jin)行必要的換(huan)算,測(ce)試時(shi)只(zhi)能(neng)單相(xiang)進(jin)行,工作效(xiao)率低。本(ben)款變比測(ce)試儀(yi)克...
我(wo)國(guo)電(dian)力(li)系統(tong)的電(dian)源中(zhong)性點(dian)壹般(ban)是不直(zhi)接接地的,所以當線路(lu)單相(xiang)接地時(shi)流(liu)過(guo)故障(zhang)點的電(dian)流(liu)實際是(shi)線路(lu)對地電(dian)容產(chan)生的電(dian)容電(dian)流(liu)。據(ju)統(tong)計(ji),電力系統(tong)的故障(zhang)很(hen)大程(cheng)度(du)是由於線路(lu)單相(xiang)接地時(shi)電容電(dian)流(liu)過(guo)大(da)導(dao)致起(qi)弧(hu)且(qie)電(dian)弧(hu)無(wu)法自行熄弧(hu)引起(qi)的。因(yin)此,我(wo)國(guo)的電(dian)力(li)規(gui)程規定(ding)當(dang)10...
氧化(hua)鋅避(bi)雷器直(zhi)流(liu)參數(shu)測(ce)試儀(yi)是專門用(yong)於檢測(ce)10kV及(ji)以下電(dian)力系統(tong)用(yong)無間隙氧化鋅避(bi)雷器MOA閥(fa)電(dian)間接觸(chu)不良的內(nei)部(bu)缺陷(xian),根(gen)據《電(dian)力設備預防性試驗(yan)規程(cheng)》DL/T596-1996中(zhong)14.2的規(gui)定(ding),發電廠(chang)、變(bian)電所在(zai)每年(nian)雷雨(yu)季前(qian)和必要(yao)時應(ying)該對金屬氧化(hua)物(wu)避(bi)...
壹、局部(bu)放(fang)電(dian)發生時,產(chan)生超聲(sheng)波、熱(re)、光(guang)、磁(ci)等(deng)物(wu)理(li)現象(xiang),其中(zhong)超聲(sheng)波會(hui)以聲(sheng)源為中(zhong)心(xin),以球面(mian)波的形(xing)式(shi)向(xiang)四(si)周傳播。別(bie)名(ming):手持(chi)式(shi)局部(bu)放(fang)電(dian)檢測(ce)儀(yi)、手(shou)持(chi)式(shi)局部(bu)放(fang)電(dian)檢測(ce)儀(yi)、手(shou)持(chi)式(shi)局部(bu)放(fang)電(dian)檢測(ce)儀(yi)、手(shou)持(chi)式(shi)局部(bu)放(fang)電(dian)檢測(ce)儀(yi)、手(shou)持(chi)式(shi)局部(bu)放(fang)電(dian)巡(xun)檢(jian)檢(jian)測(ce)儀(yi)、超聲(sheng)波局部(bu)放(fang)電(dian)...
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