两个人看的WWW在线观看_国产精品久久久久精品香蕉_老头天天吃我奶躁我的动图_亚洲成AV人片在线观看无

體積電(dian)阻率表(biao)面電(dian)阻率測(ce)試儀技術3說明3.1通常，絕緣材(cai)料用(yong)于電(dian)氣系統的(de)各部件相互絕緣和對(dui)地絕緣，固體絕緣材(cai)料還(huan)起(qi)機械支撐作用(yong)一(yi)般希望材(cai)料有盡(jin)可能(neng)高的(de)絕緣電(dian)阻并具有合適的(de)機械、化學和耐(nai)熱性能(neng)。3.2體積電(dian)阻率可作為選擇絕緣材(cai)料的(de)一(yi)個參(can)數，電(dian)阻...

體積電(dian)阻(zu)(zu)率(lv)表面(mian)電(dian)阻(zu)(zu)率(lv)測試(shi)儀(yi)試(shi)驗儀(yi)操作注意事項注意事項★★★★★★★★★★★★★體積電(dian)阻(zu)(zu)率(lv)表面(mian)電(dian)阻(zu)(zu)率(lv)測試(shi)儀(yi)試(shi)驗儀(yi)儀(yi)器(qi)使用前請仔細閱讀以(yi)下內容，否(fou)則(ze)將造成儀(yi)器(qi)損壞或(huo)電(dian)擊情況(kuang)。1.★檢查儀(yi)器(qi)后面(mian)板電(dian)壓量程是(shi)(shi)否(fou)置于10V檔(dang)，電(dian)流(liu)電(dian)阻(zu)(zu)量程是(shi)(shi)否(fou)置于10...

體(ti)積電(dian)(dian)(dian)阻(zu)率和表(biao)面(mian)電(dian)(dian)(dian)阻(zu)率測(ce)試儀定義2.1體(ti)積電(dian)(dian)(dian)阻(zu)在(zai)試樣的相對兩(liang)表(biao)面(mian)上放(fang)置的兩(liang)電(dian)(dian)(dian)極(ji)(ji)間(jian)(jian)所加(jia)直(zhi)流(liu)電(dian)(dian)(dian)壓與流(liu)過兩(liang)個(ge)電(dian)(dian)(dian)極(ji)(ji)之(zhi)間(jian)(jian)的穩態電(dian)(dian)(dian)流(liu)之(zhi)商;該電(dian)(dian)(dian)流(liu)不包括沿材料表(biao)面(mian)的電(dian)(dian)(dian)流(liu)。在(zai)兩(liang)電(dian)(dian)(dian)極(ji)(ji)間(jian)(jian)可能形成的極(ji)(ji)化忽略不計(ji)。2.2體(ti)積電(dian)(dian)(dian)阻(zu)率在(zai)絕緣材料里面(mian)的直(zhi)流(liu)電(dian)(dian)(dian)場強度與穩態...

電(dian)壓(ya)(ya)(ya)擊穿(chuan)(chuan)試(shi)驗儀分析方法(fa)和(he)解釋電(dian)壓(ya)(ya)(ya)擊穿(chuan)(chuan)試(shi)驗儀工頻交流電(dian)壓(ya)(ya)(ya)作用(yong)下的(de)氣(qi)體(ti)介質擊穿(chuan)(chuan)。電(dian)壓(ya)(ya)(ya)擊穿(chuan)(chuan)試(shi)驗儀在均勻(yun)(yun)電(dian)場（見(jian)不均勻(yun)(yun)電(dian)場）的(de)間(jian)隙中(zhong)，工頻擊穿(chuan)(chuan)電(dian)壓(ya)(ya)(ya)和(he)直流擊穿(chuan)(chuan)電(dian)壓(ya)(ya)(ya)相等。在極不均勻(yun)(yun)電(dian)場的(de)間(jian)隙中(zhong)（如(ru)棒－板間(jian)隙），擊穿(chuan)(chuan)總是發生在棒電(dian)極處于正極性的(de)狀態，因(yin)而...

電(dian)(dian)壓擊穿試驗(yan)儀目前(qian)關于絕緣油(you)擊穿電(dian)(dian)壓測試方法(fa)(fa)的標準比較常用的有(you)GB／T507—1986《電(dian)(dian)氣用油(you)絕緣強度(du)測定(ding)法(fa)(fa)》和(he)DL／T429—1991《電(dian)(dian)力系統油(you)質試驗(yan)方法(fa)(fa)》，其中(zhong)GB／T507—1986主要參照(zhao)IEC156《絕緣油(you)電(dian)(dian)氣強度(du)測定(ding)方法(fa)(fa)》制...

電(dian)壓擊(ji)(ji)穿試(shi)驗儀(yi)意義(yi)介紹(shao)固體電(dian)介質(zhi)(zhi)擊(ji)(ji)穿導(dao)致擊(ji)(ji)穿的zui低臨界電(dian)壓稱為(wei)擊(ji)(ji)穿電(dian)壓。均勻電(dian)場(chang)中(zhong)，擊(ji)(ji)穿電(dian)壓與(yu)介質(zhi)(zhi)厚度之(zhi)比(bi)稱為(wei)擊(ji)(ji)穿電(dian)場(chang)強度（簡稱擊(ji)(ji)穿場(chang)強，又(you)稱介電(dian)強度）。它反映固體電(dian)介質(zhi)(zhi)自身的耐電(dian)強度。不均勻電(dian)場(chang)中(zhong)，擊(ji)(ji)穿電(dian)壓與(yu)擊(ji)(ji)穿處介質(zhi)(zhi)厚度之(zhi)比(bi)稱為(wei)平均...

日常維護(hu)包(bao)括哪些內容我們(men)的電(dian)(dian)壓(ya)擊(ji)穿試(shi)(shi)驗儀(yi)，介(jie)電(dian)(dian)擊(ji)穿強度試(shi)(shi)驗儀(yi)，體積電(dian)(dian)阻率(lv)表面電(dian)(dian)阻率(lv)測(ce)(ce)試(shi)(shi)儀(yi)應該怎么去清理(li)1、試(shi)(shi)驗機為大型(xing)精密(mi)測(ce)(ce)試(shi)(shi)儀(yi)器，應特別注意防水、防潮，中橫梁及工作(zuo)臺應經常涂抹防銹油，以防止生銹。2、對易銹件或長(chang)期不(bu)用(yong)的輔具(ju)，如夾具(ju)、鉗口...