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三相電(dian)容(rong)電(dian)感測試儀概述(shu):無(wu)(wu)功補償(chang)電(dian)容(rong)器是滿足電(dian)力系統無(wu)(wu)功平衡的重要設備。近(jin)年來(lai)無(wu)(wu)功問題得到了電(dian)業(ye)部門的普遍重視,無(wu)(wu)功補償(chang)成套裝置(zhi)已大量投入配電(dian)網(wang)運(yun)行。
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三相電容電感測試儀概述:無功補償電容器是滿足電力系統無功平衡的重要設備。近年來無功問題得到了電業部門的普遍重視,無功補償成套裝置已大量投入配電網運行。
電(dian)(dian)(dian)能供給要(yao)(yao)求系統有功(gong)與無功(gong)實(shi)(shi)時平(ping)衡。因此,無功(gong)補(bu)償裝置應滿(man)足自動跟蹤、實(shi)(shi)時補(bu)償的(de)(de)(de)要(yao)(yao)求,這就不(bu)(bu)可避免地要(yao)(yao)頻繁投(tou)、切無功(gong)補(bu)償電(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)(qi)(qi)組(zu)(zu)(zu)。電(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)(qi)(qi)組(zu)(zu)(zu)的(de)(de)(de)投(tou)、切操(cao)作(zuo),就會產生過電(dian)(dian)(dian)流(liu)與過電(dian)(dian)(dian)壓沖擊,引起電(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)(qi)(qi)損壞。為保(bao)證設(she)備的(de)(de)(de)可靠性(xing),早期(qi)發現(xian)電(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)(qi)(qi)缺(que)陷,避免故(gu)障(zhang)擴大,需要(yao)(yao)定期(qi)進行(xing)檢測。而在現(xian)場電(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)(qi)(qi)都是成組(zu)(zu)(zu)并聯的(de)(de)(de),傳統方法是將(jiang)電(dian)(dian)(dian)容(rong)(rong)匯流(liu)排拆(chai)除(chu),然(ran)后用(yong)老(lao)式電(dian)(dian)(dian)容(rong)(rong)表進行(xing)測量(liang),由(you)于(yu)電(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)(qi)(qi)組(zu)(zu)(zu)是由(you)幾(ji)十至上百個小(xiao)電(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)(qi)(qi)組(zu)(zu)(zu)成,要(yao)(yao)拆(chai)線(xian)測量(liang)電(dian)(dian)(dian)容(rong)(rong)量(liang)的(de)(de)(de)工作(zuo)量(liang)很大,而且經常(chang)拆(chai)線(xian)會使得螺絲滑(hua)牙或沒(mei)有上緊而留下安全(quan)隱患(huan),也(ye)容(rong)(rong)易造(zao)成電(dian)(dian)(dian)容(rong)(rong)的(de)(de)(de)二次損壞。因此,非常(chang)期(qi)望有一種(zhong)測試儀器(qi)(qi)(qi)(qi)不(bu)(bu)用(yong)拆(chai)線(xian)就能測量(liang)各(ge)個小(xiao)電(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)(qi)(qi)的(de)(de)(de)電(dian)(dian)(dian)容(rong)(rong)量(liang),減(jian)輕檢修(xiu)人員的(de)(de)(de)負擔,提高(gao)(gao)檢修(xiu)工作(zuo)的(de)(de)(de)效率,提高(gao)(gao)配電(dian)(dian)(dian)網運行(xing)的(de)(de)(de)安全(quan)性(xing)。
三相電容電感測試儀可(ke)以在不拆線(xian)(xian)的(de)狀(zhuang)態下,測(ce)量(liang)成(cheng)組(zu)并聯電(dian)(dian)容(rong)器(qi)的(de)單相電(dian)(dian)容(rong)或各種(zhong)組(zu)合連接類型的(de)三相電(dian)(dian)容(rong)器(qi),同時也能夠測(ce)量(liang)各種(zhong)電(dian)(dian)抗器(qi)的(de)電(dian)(dian)感,本儀(yi)器(qi)還能測(ce)量(liang)工頻狀(zhuang)況下的(de)電(dian)(dian)流(liu),該儀(yi)器(qi)接線(xian)(xian)方(fang)便,操(cao)作(zuo)簡單,減輕了(le)檢(jian)修人員的(de)工作(zuo)負擔,大大提高了(le)現場的(de)測(ce)試效率,為電(dian)(dian)網的(de)正常運行提供(gong)了(le)安(an)全保障。
二、功能特(te)點
此儀器(qi)在測(ce)量三相電容器(qi)時(shi)可三相同(tong)時(shi)測(ce)試,省(sheng)去(qu)了反復(fu)拆線(xian)、接線(xian)的繁瑣工序
本儀器(qi)可在不拆線情況下測量(liang)成組(zu)并聯電(dian)容器(qi)的(de)(de)單個單相(xiang)電(dian)容及同(tong)時(shi)(shi)測量(liang)各種連接類型的(de)(de)三相(xiang)電(dian)容,同(tong)時(shi)(shi)本儀器(qi)也(ye)能測量(liang)各種電(dian)抗器(qi)的(de)(de)電(dian)感(gan)量(liang),還可以做(zuo)為工頻電(dian)流測試儀使(shi)用(yong)(yong),一機三用(yong)(yong),滿足現場的(de)(de)多種使(shi)用(yong)(yong);
測量(liang)時(shi)本儀器顯(xian)示測量(liang)電容(rong)值或(huo)電感值的(de)同時(shi)還可(ke)以(yi)顯(xian)示測量(liang)的(de)電壓(ya)、電流、功率、頻(pin)率、阻抗(kang)、相位角等數據,以(yi)便更好的(de)分析試(shi)品(pin)的(de)好壞;
儀器采(cai)用240×128大屏(ping)幕帶背光(guang)的液晶顯(xian)示(shi),白天夜(ye)間(jian)均(jun)能清晰觀察,中(zhong)文(wen)菜單(dan)提示(shi),操作簡便;
儀器內(nei)置大(da)容量非(fei)易失性存儲(chu)器:可存儲(chu)50組測量數據(ju);
儀器內置高(gao)精度(du)實(shi)時(shi)(shi)時(shi)(shi)鐘(zhong)功能:可進行日(ri)期及時(shi)(shi)間校準;
儀器自帶高速微型熱敏打印機:可打印測量及歷史數(shu)據;
儀器(qi)試(shi)驗電源過流保(bao)護功能:電源輸出短(duan)路(lu)不會損(sun)壞儀器(qi)。
三、技術(shu)指(zhi)標
輸出電壓: ~ 2V, ~ 20V
測(ce)量范(fan)圍: 電容:2uF~2200uF
電感: 1mH~10H
電阻:50mΩ-20000Ω
電流:50mA~10A
電(dian)壓: 0- ~25V
容量范圍:0~20,000 kvar
測量精度 : 電(dian)容:±(1%+5字)
電感:±(1%+5字)
電流:±(1%+5字)
電(dian)壓:±(1%+5字)
容量:±(1%+5字)
分 辨 率: 電壓:0.1mV
電流:0.1mA
電(dian)容:0.1nF
電感:0. 1mH
外(wai)形尺寸 350mm×230mm×190mm
儀器重量(liang) 8kg
四、使用條件(jian)
環境(jing)溫(wen)度 -10℃~50℃
環境(jing)濕(shi)度(du) ≤85%RH
工作(zuo)電源 AC220V±10%
電(dian)源頻率 50±1Hz
儀器功(gong)率(lv) 200W
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