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過電壓保護器綜合測試儀 避雷測試儀

過(guo)電(dian)(dian)(dian)(dian)壓(ya)保護(hu)(hu)(hu)器(qi)(qi)(qi)綜合測(ce)試(shi)(shi)儀適用于(yu)10kV電(dian)(dian)(dian)(dian)壓(ya)等(deng)級及以(yi)下的三相(xiang)組合式過(guo)電(dian)(dian)(dian)(dian)壓(ya)保護(hu)(hu)(hu)器(qi)(qi)(qi)綜合檢測(ce)裝置(zhi),可(ke)完成無間隙型過(guo)電(dian)(dian)(dian)(dian)壓(ya)保護(hu)(hu)(hu)器(qi)(qi)(qi)及氧化鋅避雷器(qi)(qi)(qi)的直(zhi)流1mA參考(kao)電(dian)(dian)(dian)(dian)壓(ya)試(shi)(shi)驗(yan),通過(guo)外接試(shi)(shi)驗(yan)變壓(ya)器(qi)(qi)(qi)可(ke)實現對有間隙型過(guo)電(dian)(dian)(dian)(dian)壓(ya)保護(hu)(hu)(hu)器(qi)(qi)(qi)的工頻放電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)壓(ya)試(shi)(shi)驗(yan),測(ce)試(shi)(shi)項目全面,同(tong)時具有體積小、重量輕、精度高、使用方便等(deng)優點。

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過電壓保護器綜合測試儀概述

    對過(guo)(guo)(guo)電(dian)壓(ya)保(bao)護器(qi)(qi)(qi)的試(shi)驗(yan)(yan),應該符合《DL/T 474.5-2006》現場絕緣試(shi)驗(yan)(yan)實(shi)施導則(ze)第5部分:避雷器(qi)(qi)(qi)試(shi)驗(yan)(yan)要求(qiu)。三相組合式過(guo)(guo)(guo)電(dian)壓(ya)保(bao)護器(qi)(qi)(qi)主要分為有帶串聯(lian)間(jian)(jian)隙過(guo)(guo)(guo)壓(ya)保(bao)護器(qi)(qi)(qi)和(he)無間(jian)(jian)隙過(guo)(guo)(guo)壓(ya)保(bao)護器(qi)(qi)(qi)兩(liang)(liang)大類(lei),其(qi)試(shi)驗(yan)(yan)項目內(nei)容要求(qiu)分別使用高(gao)壓(ya)工(gong)頻交流(liu)和(he)高(gao)壓(ya)直(zhi)流(liu)電(dian)源,試(shi)驗(yan)(yan)時需要直(zhi)流(liu)高(gao)壓(ya)試(shi)驗(yan)(yan)設備及交流(liu)耐壓(ya)試(shi)驗(yan)(yan)設備各一套,設備體積大、件(jian)(jian)數多,試(shi)驗(yan)(yan)接線(xian)測(ce)試(shi)較為繁瑣(suo),工(gong)作效(xiao)率低下(xia)。本儀器(qi)(qi)(qi)一共兩(liang)(liang)件(jian)(jian),接線(xian)簡單,使用方便,可(ke)完成無間(jian)隙型(xing)過電壓保護器及氧(yang)化(hua)鋅避雷器的直(zhi)流1mA參考電壓試驗

過電壓保護器綜合測試儀特點

    適用(yong)于10kV電(dian)壓等級及(ji)以下的三相(xiang)組合(he)式過電(dian)壓保護器綜合(he)檢測裝置,用(yong)于三相(xiang)組合(he)式過電(dian)壓保護器調(diao)試及(ji)試驗項目(mu),以期及(ji)早發現設備(bei)內部絕緣受(shou)潮及(ji)閥片老化等危(wei)險缺陷

技術參數

1工頻放電試驗

⑴輸出電(dian)壓(AC): 0.00~30.0kV

⑵分辨:  0.1kV

⑶測量準(zhun)確度±1%±2個字(zi)

⑷測試間(jian)隔時(shi)間(jian):≥15S

⑸測試(shi)完畢自(zi)動計算三次(ci)平均值并具有可選打(da)印功能(neng)

2 直流1mA參(can)考電壓試驗

額定輸出(DC):電壓0-30kV  電流0-1000μA   脈動(dong)不大(da)于±1.5%

測(ce)量(liang)范圍:電流0-1000μA   電壓:0-30.0kVdc

分(fen)辨(bian)率:電(dian)(dian)流1uA   電(dian)(dian)壓:0.1kV

⑷測量(liang)準確度±1%±1個字

具(ju)有殘壓自動泄放功能

3  其他(ta)參數

電(dian)(dian)源(yuan)供電(dian)(dian)方式(shi):鉛酸電(dian)(dian)池12V/7Ah

環(huan)境溫(wen)度: -10℃~+50℃

相(xiang)對濕(shi)度:  RH ≤80%

海拔高度: <1000米

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