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高壓介質損耗測試儀采用輕便的設計,便于攜帶和操作

  • 發布日期:2023-03-16      瀏覽次數:410
    •   高壓介質損耗測試儀在(zai)交流電(dian)(dian)(dian)(dian)壓作用(yong)下,電(dian)(dian)(dian)(dian)介(jie)(jie)質(zhi)要消耗部分(fen)電(dian)(dian)(dian)(dian)能,這部分(fen)電(dian)(dian)(dian)(dian)能將(jiang)轉變(bian)為(wei)熱能產生損(sun)(sun)耗。這種能量(liang)(liang)(liang)(liang)損(sun)(sun)耗叫(jiao)做(zuo)電(dian)(dian)(dian)(dian)介(jie)(jie)質(zhi)的(de)(de)損(sun)(sun)耗。當電(dian)(dian)(dian)(dian)介(jie)(jie)質(zhi)上施加交流電(dian)(dian)(dian)(dian)壓時,電(dian)(dian)(dian)(dian)介(jie)(jie)質(zhi)中(zhong)的(de)(de)電(dian)(dian)(dian)(dian)壓和電(dian)(dian)(dian)(dian)流間存(cun)在(zai)相角(jiao)(jiao)差Ψ,Ψ的(de)(de)余角(jiao)(jiao)δ稱為(wei)介(jie)(jie)質(zhi)損(sun)(sun)耗角(jiao)(jiao),δ的(de)(de)正切(qie)tgδ稱為(wei)介(jie)(jie)質(zhi)損(sun)(sun)耗角(jiao)(jiao)正切(qie)。tgδ值(zhi)是用(yong)來(lai)衡量(liang)(liang)(liang)(liang)電(dian)(dian)(dian)(dian)介(jie)(jie)質(zhi)損(sun)(sun)耗的(de)(de)參數。儀器測量(liang)(liang)(liang)(liang)線路(lu)(lu)(lu)包括一標準(zhun)回(hui)(hui)(hui)(hui)路(lu)(lu)(lu)(Cn)和一被(bei)試(shi)回(hui)(hui)(hui)(hui)路(lu)(lu)(lu)(Cx)。標準(zhun)回(hui)(hui)(hui)(hui)路(lu)(lu)(lu)由內置高穩定度標準(zhun)電(dian)(dian)(dian)(dian)容器與測量(liang)(liang)(liang)(liang)線路(lu)(lu)(lu)組(zu)成(cheng),被(bei)試(shi)回(hui)(hui)(hui)(hui)路(lu)(lu)(lu)由被(bei)試(shi)品和測量(liang)(liang)(liang)(liang)線路(lu)(lu)(lu)組(zu)成(cheng)。測量(liang)(liang)(liang)(liang)線路(lu)(lu)(lu)由取樣電(dian)(dian)(dian)(dian)阻與前置放(fang)大器和A/D轉換器組(zu)成(cheng)。通(tong)過(guo)測量(liang)(liang)(liang)(liang)電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)分(fen)別測得(de)標準(zhun)回(hui)(hui)(hui)(hui)路(lu)(lu)(lu)電(dian)(dian)(dian)(dian)流與被(bei)試(shi)回(hui)(hui)(hui)(hui)路(lu)(lu)(lu)電(dian)(dian)(dian)(dian)流幅值(zhi)及其相位等,再由單片機運(yun)用(yong)數字化實時采集(ji)方法,通(tong)過(guo)矢量(liang)(liang)(liang)(liang)運(yun)算便可(ke)得(de)出試(shi)品的(de)(de)電(dian)(dian)(dian)(dian)容值(zhi)和介(jie)(jie)質(zhi)損(sun)(sun)耗正切(qie)值(zhi)。
        
        高壓介質損耗測試儀的特征:
        
        1.高(gao)精(jing)度測試:采用*的(de)數字處理技(ji)術和(he)高(gao)精(jing)度測量電(dian)路(lu),能夠精(jing)確地(di)測量介(jie)(jie)質損耗和(he)介(jie)(jie)電(dian)常(chang)數等(deng)參(can)數,并(bing)可(ke)自動(dong)計(ji)算(suan)誤差(cha),保(bao)證測試結(jie)果的(de)準確性(xing)。
        
        2.多功能測試(shi)(shi):還可(ke)進(jin)行電容測試(shi)(shi)、介質電阻測試(shi)(shi)等多種(zhong)測試(shi)(shi),滿足不(bu)同的測試(shi)(shi)需求。同時,還可(ke)進(jin)行數據存(cun)儲和傳輸,實現(xian)數據共享(xiang)和查詢。
        
        3.便(bian)攜式設(she)計(ji):采用輕便(bian)的設(she)計(ji),便(bian)于攜帶和操作。同(tong)時,還可(ke)配(pei)置不同(tong)長(chang)度(du)的測(ce)試(shi)導線和絕緣材料,以適(shi)應不同(tong)的測(ce)試(shi)需求(qiu)。
        
        4.安(an)全可靠:采用專(zhuan)業的安(an)全保(bao)(bao)護(hu)措施,如(ru)過壓、過流(liu)、短路等(deng)保(bao)(bao)護(hu)功(gong)能,確保(bao)(bao)測試過程中不會(hui)對測試人員和設備造成損(sun)害(hai)。
        
        5.高效節(jie)能:采用*的低功(gong)耗設計和環保節(jie)能技術,具(ju)有低功(gong)耗、高效節(jie)能、長續航等(deng)優點(dian)。同時,還具(ju)備快速啟動、快速充電(dian)等(deng)特點(dian),提高測試效率。