ZGF2000-直流高壓泄漏電流測試儀采(cai)用(yong)(yong)中頻倍(bei)壓(ya)(ya)電(dian)(dian)路(lu)(lu)(lu)(lu)，新(xin)型直(zhi)流(liu)高(gao)(gao)(gao)壓(ya)(ya)發(fa)生器(qi)(qi)應用(yong)(yong)PWM脈寬(kuan)調制(zhi)技術和(he)大(da)(da)功(gong)(gong)(gong)率(lv)IGBT器(qi)(qi)件(jian)，根據電(dian)(dian)磁兼(jian)容性理論，采(cai)用(yong)(yong)特(te)殊屏(ping)蔽、隔(ge)(ge)離和(he)接(jie)地等(deng)(deng)措施。使(shi)直(zhi)流(liu)高(gao)(gao)(gao)壓(ya)(ya)試(shi)驗(yan)(yan)(yan)實現了高(gao)(gao)(gao)品(pin)質、便攜式并(bing)能(neng)承受額定電(dian)(dian)壓(ya)(ya)放電(dian)(dian)而不(bu)損壞。直(zhi)流(liu)泄(xie)漏電(dian)(dian)流(liu)測試(shi)儀具有多種保護(hu)(hu)功(gong)(gong)(gong)能(neng)，如(ru)：低壓(ya)(ya)過(guo)流(liu)、低壓(ya)(ya)過(guo)壓(ya)(ya)、高(gao)(gao)(gao)壓(ya)(ya)過(guo)流(liu)、高(gao)(gao)(gao)壓(ya)(ya)過(guo)壓(ya)(ya)、零位保護(hu)(hu)、不(bu)接(jie)地保護(hu)(hu)等(deng)(deng)。采(cai)用(yong)(yong)故障(zhang)取樣的(de)(de)(de)(de)傳感器(qi)(qi)，動(dong)作時間為(wei)納秒(miao)級(ji)，光隔(ge)(ge)離元件(jian)也為(wei)納秒(miao)級(ji)，動(dong)作時間一(yi)般在(zai)(zai)10微秒(miao)可(ke)(ke)(ke)*關(guan)斷(duan)直(zhi)流(liu)主(zhu)回路(lu)(lu)(lu)(lu)。推(tui)動(dong)信號(hao)快(kuai)速關(guan)斷(duan)保護(hu)(hu)在(zai)(zai)輸出端采(cai)用(yong)(yong)傳感器(qi)(qi)取樣，反應時間為(wei)納秒(miao)級(ji)，通過(guo)納秒(miao)級(ji)的(de)(de)(de)(de)光隔(ge)(ge)離元件(jian)和(he)納秒(miao)級(ji)的(de)(de)(de)(de)模(mo)擬開關(guan)，全過(guo)程在(zai)(zai)2微秒(miao)內(nei)將功(gong)(gong)(gong)放電(dian)(dian)路(lu)(lu)(lu)(lu)的(de)(de)(de)(de)推(tui)動(dong)信號(hao)切斷(duan)，保證在(zai)(zai)輸出短路(lu)(lu)(lu)(lu)的(de)(de)(de)(de)情況下(xia)(xia)，不(bu)損壞功(gong)(gong)(gong)率(lv)器(qi)(qi)件(jian)。是指主(zhu)要用(yong)(yong)于(yu)(yu)(yu)(yu)絕緣和(he)漏電(dian)(dian)檢(jian)測中的(de)(de)(de)(de)高(gao)(gao)(gao)壓(ya)(ya)電(dian)(dian)源，現在(zai)(zai)高(gao)(gao)(gao)壓(ya)(ya)電(dian)(dian)源和(he)高(gao)(gao)(gao)壓(ya)(ya)發(fa)生器(qi)(qi)已經沒有嚴格(ge)的(de)(de)(de)(de)區別。在(zai)(zai)行業內(nei)*采(cai)用(yong)(yong)分(fen)節(jie)(jie)式結(jie)構，即既(ji)可(ke)(ke)(ke)用(yong)(yong)于(yu)(yu)(yu)(yu)高(gao)(gao)(gao)電(dian)(dian)壓(ya)(ya)等(deng)(deng)級(ji)，又能(neng)用(yong)(yong)于(yu)(yu)(yu)(yu)較低電(dian)(dian)壓(ya)(ya)等(deng)(deng)級(ji)，并(bing)保持其(qi)精度(du)不(bu)變。以(yi)100/200kV/2mA分(fen)兩節(jie)(jie)為(wei)例，單節(jie)(jie)時可(ke)(ke)(ke)做(zuo)100kV/2mA使(shi)用(yong)(yong)，可(ke)(ke)(ke)用(yong)(yong)于(yu)(yu)(yu)(yu)35kV及(ji)以(yi)下(xia)(xia)系(xi)統電(dian)(dian)氣(qi)設備直(zhi)流(liu)高(gao)(gao)(gao)壓(ya)(ya)試(shi)驗(yan)(yan)(yan)，此時可(ke)(ke)(ke)保證測量的(de)(de)(de)(de)準確性避(bi)免(mian)大(da)(da)馬拉小車；兩節(jie)(jie)使(shi)用(yong)(yong)時可(ke)(ke)(ke)做(zuo)200kV/2mA 使(shi)用(yong)(yong).可(ke)(ke)(ke)用(yong)(yong)于(yu)(yu)(yu)(yu)220kV分(fen)節(jie)(jie)、110kV及(ji)以(yi)下(xia)(xia)氧(yang)化(hua)鋅(xin)避(bi)雷(lei)器(qi)(qi)直(zhi)流(liu)試(shi)驗(yan)(yan)(yan)及(ji)交(jiao)聯電(dian)(dian)纜(lan)的(de)(de)(de)(de)直(zhi)流(liu)耐壓(ya)(ya)試(shi)驗(yan)(yan)(yan)。真(zhen)正做(zuo)到一(yi)機(ji)兩用(yong)(yong)，大(da)(da)大(da)(da)方便了現場用(yong)(yong)戶(hu)的(de)(de)(de)(de)使(shi)用(yong)(yong)。

直流高壓測試(shi)儀產品特點：
1、精度高、測量準確。電壓、電流表均為數字顯示，電壓分辨率為0.1kV，電流分辨率為0.1uA，控制箱上電壓表直接顯示加在負載試品上的電壓值，使用時無需外加分壓器，接線簡單。儀器具有高、低壓端測量泄漏電流、
2、體積更小、重量更輕、更美觀、更可靠、操作簡便、功能齊全，便于野外使用
3、增設了高精度75%VDC-1mA的功能，做氧化鋅避雷器測量帶來極大的方便。輕輕一按無須計算。本儀器控制箱上有75%的電壓功能鍵，在做避雷器試驗時，當電流升到1000uA時、就打開0.75的按鈕，這時電壓表、電流表所顯示的值就是75%的數據，做完后應立即將升壓的旋鈕回到零位上，同時將細調電壓旋鈕回到零位上，并應立即按綠色按鈕，切斷高壓并關閉電源開關。再做其它的試驗
直流高壓泄漏電流測試儀 技術參數：
1.電源：AC220V±10%，50Hz±1%
2.輸出電壓指示精度：<1級
3.輸出電流指示精度：<1級
4.紋波系數：≤0.5% 0.75倍輸出電壓指示精度：<1級，帶鎖存
5. 使用條件
a.相對濕度：25℃時不大于85%，無凝露
b.工作方式：間斷使用30分鐘
c.環(huan)境溫度：- 10 ~ 40℃