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影響電(dian)壓(ya)(ya)擊穿(chuan)(chuan)(chuan)試驗儀工作的(de)因素影響固(gu)(gu)體介(jie)質擊穿(chuan)(chuan)(chuan)電(dian)壓(ya)(ya)的(de)因素甚多，下面介(jie)紹幾種(zhong)主(zhu)要的(de)影響因素。電(dian)壓(ya)(ya)作用(yong)時間(jian)如果(guo)電(dian)壓(ya)(ya)作用(yong)時間(jian)很(hen)短，固(gu)(gu)體介(jie)質的(de)擊穿(chuan)(chuan)(chuan)往(wang)往(wang)是電(dian)擊穿(chuan)(chuan)(chuan)，擊穿(chuan)(chuan)(chuan)電(dian)壓(ya)(ya)當然也(ye)較高。隨著(zhu)電(dian)壓(ya)(ya)作用(yong)時間(jian)的(de)增(zeng)長(chang)，擊穿(chuan)(chuan)(chuan)電(dian)壓(ya)(ya)將下降，如果(guo)在加電(dian)壓(ya)(ya)后數小時才(cai)引起(qi)擊穿(chuan)(chuan)(chuan)...

北廣公(gong)司低(di)(di)(di)溫(wen)(wen)脆(cui)性(xing)沖(chong)擊試(shi)(shi)驗(yan)機(ji)簡介如下新型低(di)(di)(di)溫(wen)(wen)脆(cui)化(hua)沖(chong)擊試(shi)(shi)驗(yan)機(ji)，低(di)(di)(di)溫(wen)(wen)脆(cui)性(xing)沖(chong)擊試(shi)(shi)驗(yan)機(ji)，低(di)(di)(di)溫(wen)(wen)沖(chong)擊試(shi)(shi)驗(yan)機(ji)，脆(cui)性(xing)沖(chong)擊試(shi)(shi)驗(yan)機(ji)低(di)(di)(di)溫(wen)(wen)脆(cui)性(xing)試(shi)(shi)驗(yan)機(ji)，低(di)(di)(di)溫(wen)(wen)脆(cui)性(xing)測定(ding)(ding)(ding)儀(yi)，脆(cui)化(hua)溫(wen)(wen)度沖(chong)擊儀(yi)，低(di)(di)(di)溫(wen)(wen)沖(chong)擊試(shi)(shi)驗(yan)機(ji)，脆(cui)化(hua)溫(wen)(wen)度測定(ding)(ding)(ding)儀(yi)單試(shi)(shi)樣硫化(hua)橡塑料(liao)低(di)(di)(di)溫(wen)(wen)脆(cui)性(xing)沖(chong)擊試(shi)(shi)驗(yan)機(ji)是(shi)測定(ding)(ding)(ding)硫化(hua)橡膠在(zai)規定(ding)(ding)(ding)...

電(dian)壓(ya)(ya)(ya)(ya)擊穿(chuan)試(shi)驗儀(yi)由四部(bu)(bu)(bu)分組(zu)(zu)成，即高(gao)壓(ya)(ya)(ya)(ya)試(shi)驗變壓(ya)(ya)(ya)(ya)器(qi)，自動(dong)升壓(ya)(ya)(ya)(ya)裝置，電(dian)壓(ya)(ya)(ya)(ya)電(dian)流采集裝置，計算機(ji)及測控軟(ruan)件四部(bu)(bu)(bu)分組(zu)(zu)成，下面就這四個(ge)(ge)部(bu)(bu)(bu)分分別(bie)說明(ming)原(yuan)理及使用情況(kuang)。1、高(gao)壓(ya)(ya)(ya)(ya)試(shi)驗變壓(ya)(ya)(ya)(ya)器(qi)的(de)原(yuan)理高(gao)壓(ya)(ya)(ya)(ya)試(shi)驗變壓(ya)(ya)(ya)(ya)器(qi)的(de)內部(bu)(bu)(bu)結構為(wei)三個(ge)(ge)繞組(zu)(zu)組(zu)(zu)成，一個(ge)(ge)輸(shu)入繞組(zu)(zu)，一個(ge)(ge)儀(yi)表端輸(shu)出繞...

電(dian)壓擊穿(chuan)試驗儀，體積電(dian)阻(zu)率表面電(dian)阻(zu)率主業生產商北廣精(jing)儀公司放假通(tong)知尊(zun)敬的客戶：根(gen)據《*關(guan)于(yu)修改〈全(quan)國年節及紀念日放假辦法〉的決定》精(jing)神，結合公司實(shi)際，本公司現將(jiang)“五一(yi)”放假的有關(guan)事宜通(tong)知如下：2013年“五一(yi)”放假時間(jian)為：2013年4月29...

體積電(dian)阻(zu)(zu)(zu)率表面電(dian)阻(zu)(zu)(zu)率測試儀概(gai)述一(yi)個電(dian)氣系(xi)統(tong)就好比一(yi)個管道系(xi)統(tong)，電(dian)壓好比是(shi)液(ye)體壓力，電(dian)流好比是(shi)液(ye)體的(de)(de)流速，而電(dian)氣絕緣就好比是(shi)管壁。絕緣防止電(dian)子從導體發生漏(lou)泄――其(qi)作用(yong)的(de)(de)大小(xiao)是(shi)用(yong)絕緣電(dian)阻(zu)(zu)(zu)表示的(de)(de)。有效(xiao)的(de)(de)絕緣電(dian)阻(zu)(zu)(zu)系(xi)統(tong)具(ju)有高的(de)(de)電(dian)阻(zu)(zu)(zu)值(zhi)，通常大于幾個兆歐...

表(biao)面(mian)電(dian)阻(zu)率(lv)(lv)/體積電(dian)阻(zu)率(lv)(lv)測試儀（電(dian)壓擊穿試驗(yan)儀）、試驗(yan)方法:將標(biao)準規格的試樣置于兩(liang)電(dian)極之間,60秒的時間內(nei)(nei),加500伏特的電(dian)壓并(bing)測量電(dian)阻(zu).計(ji)算表(biao)面(mian)/體積電(dian)阻(zu)率(lv)(lv)、試驗(yan)范圍：表(biao)面(mian)電(dian)阻(zu)率(lv)(lv)是(shi)絕(jue)緣材料抵抗(kang)表(biao)面(mian)漏泄電(dian)流(liu)的能力(li).體積電(dian)阻(zu)率(lv)(lv)是(shi)絕(jue)緣材料抵抗(kang)體內(nei)(nei)...

電(dian)(dian)(dian)壓擊穿試驗(yan)儀，體積(ji)電(dian)(dian)(dian)阻(zu)率(lv)表面電(dian)(dian)(dian)阻(zu)率(lv)測試儀，數據處理體積(ji)電(dian)(dian)(dian)阻(zu)率(lv)ρvρv=Rv（A/h），A=（π/4）·d22=（π/4）（d1+2g）2（3）式(shi)中，ρv——體積(ji)電(dian)(dian)(dian)阻(zu)率(lv)（Ω·m），Rv——測得(de)的試樣體積(ji)電(dian)(dian)(dian)阻(zu)（Ω），A——測量電(dian)(dian)(dian)極(ji)的有效面積(ji)（...