无码精品一区二区三区在线_国产gaysexchina男外卖_色窝窝777欧美午夜精品影院_色噜噜狠狠色综合成人网

隨著農(nong)村(cun)經濟社會的(de)(de)(de)迅速發(fa)(fa)展(zhan)和家電(dian)(dian)(dian)(dian)下鄉等惠農(nong)政(zheng)策的(de)(de)(de)實施,農(nong)村(cun)電(dian)(dian)(dian)(dian)氣化(hua)程度不(bu)斷提高,各類用電(dian)(dian)(dian)(dian)設(she)備和負荷的(de)(de)(de)急劇增(zeng)加,漏(lou)(lou)電(dian)(dian)(dian)(dian)故(gu)(gu)障也日(ri)趨頻繁。作(zuo)為農(nong)村(cun)供(gong)電(dian)(dian)(dian)(dian)所臺(tai)區(qu)管理員,如(ru)何安(an)全(quan)、快(kuai)速查找(zhao)臺(tai)區(qu)漏(lou)(lou)電(dian)(dian)(dian)(dian)故(gu)(gu)障點,盡快(kuai)恢復(fu)臺(tai)區(qu)供(gong)電(dian)(dian)(dian)(dian),是一個緊迫(po)而又(you)棘手的(de)(de)(de)問(wen)題。1．臺(tai)區(qu)發(fa)(fa)生漏(lou)(lou)電(dian)(dian)(dian)(dian)故(gu)(gu)障的(de)(de)(de)原(yuan)(yuan)因臺(tai)區(qu)剩余電(dian)(dian)(dian)(dian)流動作(zuo)保護(hu)器動作(zuo)的(de)(de)(de)主要(yao)原(yuan)(yuan)因是臺(tai)區(qu)內(nei)線路(lu)漏(lou)(lou)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流增(zeng)大(da),而造(zao)成(cheng)漏(lou)(lou)電(dian)(dian)(dian)(dian)故(gu)(gu)障的(de)(de)(de)主要(yao)原(yuan)(yuan)因有以下幾(ji)種(zhong)。（1）用戶端發(fa)(fa)生漏(lou)(lou)電(dian)(dian)(dian)(dian)故(gu)(gu)障。用戶家用電(dian)(dian)(dian)(dian)器絕(jue)(jue)緣(yuan)損壞以及線路(lu)故(gu)(gu)障,如(ru)農(nong)村(cun)家用抽水機(ji)、電(dian)(dian)(dian)(dian)冰箱(xiang)等絕(jue)(jue)緣(yuan)損壞，室內(nei)線路(lu)安(an)裝(zhuang)不(bu)合格，私拉亂(luan)接...

電(dian)流(liu)互感(gan)器(qi)變比測(ce)試(shi)儀(yi)(yi)(yi)功能(neng)(neng)與特點(dian)電(dian)流(liu)互感(gan)器(qi)變比測(ce)試(shi)儀(yi)(yi)(yi)功能(neng)(neng)與特點(dian)；★現場不停電(dian)量測(ce)高(gao)(gao)、低壓(ya)CT一(yi)(yi)(yi)、二(er)次電(dian)流(liu)及(ji)電(dian)流(liu)變比。★一(yi)(yi)(yi)次電(dian)流(liu)信號使用(yong)無(wu)線(xian)傳輸，確保(bao)操作的安全性。★一(yi)(yi)(yi)次鉗表和(he)高(gao)(gao)壓(ya)絕緣桿(gan)相連，輕推、輕拉(la)即可(ke)鉗入、退出一(yi)(yi)(yi)次導線(xian)，能(neng)(neng)夠非常容易(yi)、安全地量測(ce)高(gao)(gao)空電(dian)流(liu)。★測(ce)試(shi)儀(yi)(yi)(yi)使用(yong)320*240高(gao)(gao)點(dian)陣真彩液晶，界面(mian)清晰(xi)直觀。★能(neng)(neng)量測(ce)CT比差、角差，可(ke)容易(yi)核對CT一(yi)(yi)(yi)、二(er)次相別、相序。★主機(ji)(ji)和(he)鉗頭均使用(yong)高(gao)(gao)速(su)DSP單片機(ji)(ji)，測(ce)試(shi)速(su)度快，接線(xian)完畢(bi)后(hou)20秒即可(ke)顯示量測(ce)結果。★一(yi)(yi)(yi)次鉗表使用(yong)鉗式設(she)計，相對...

雙鉗數字相(xiang)位伏(fu)安表特征(zheng)及(ji)優(you)點雙鉗數字相(xiang)位伏(fu)安表用(yong)(yong)途和作用(yong)(yong)：1、可以同時測量(liang)多至三(san)路交(jiao)流(liu)電(dian)壓(ya)；2．可以在不斷開被測電(dian)路的情況(kuang)下（通過鉗形電(dian)流(liu)互感(gan)器），同時測量(liang)多至三(san)路交(jiao)流(liu)電(dian)流(liu)；3．測量(liang)電(dian)壓(ya)間、電(dian)流(liu)間、電(dian)壓(ya)與(yu)電(dian)流(liu)間的相(xiang)位差；4．測量(liang)頻率；5．測量(liang)功(gong)率和功(gong)率因數；6．測量(liang)三(san)相(xiang)相(xiang)序；7．測量(liang)零序電(dian)流(liu)。8、由于(yu)儀器具有(you)上(shang)述(shu)基(ji)本功(gong)能，其用(yong)(yong)途極為廣泛：9、感(gan)性(xing)和容性(xing)電(dian)路的判別；10、繼電(dian)保護(hu)各(ge)組CT之間相(xiang)位關(guan)系；11、檢查變壓(ya)器接線(xian)組別；12、檢查有(you)功(gong)電(dian)度(du)表接線(xian)正(zheng)確與(yu)否(fou)；13、判斷電(dian)度(du)表運...