1、直進式電表怎么看
一(yi)般的(de)直進(jin)(jin)式(shi)的(de)單相(xiang)(xiang)電表(biao)和三相(xiang)(xiang)電表(biao)可直接讀取數字,減(jian)去上次(ci)的(de)讀數就(jiu)為這一(yi)階段(duan)的(de)電量。直進(jin)(jin)式(shi)的(de)電表(biao)進(jin)(jin)線較粗,仔(zi)細觀察沒有經過互感(gan)器連接,有互感(gan)器連接的(de)還要(yao)乘以相(xiang)(xiang)應的(de)倍率。
2、三相電表怎么看
三相電(dian)(dian)(dian)(dian)表(biao)通過電(dian)(dian)(dian)(dian)流(liu)(liu)互感器連(lian)接(jie)方式連(lian)接(jie),電(dian)(dian)(dian)(dian)表(biao)的接(jie)線(xian)有10根,要觀察連(lian)接(jie)的電(dian)(dian)(dian)(dian)流(liu)(liu)互感器的電(dian)(dian)(dian)(dian)流(liu)(liu)比(bi)。電(dian)(dian)(dian)(dian)流(liu)(liu)互感器的銘(ming)牌上有電(dian)(dian)(dian)(dian)流(liu)(liu)比(bi),都是一個(ge)數字(zi)比(bi)5標出的,例如100/5、150/5等(deng),電(dian)(dian)(dian)(dian)表(biao)上讀取(qu)的數字(zi)乘(cheng)以電(dian)(dian)(dian)(dian)流(liu)(liu)比(bi)就是計量(liang)的電(dian)(dian)(dian)(dian)量(liang),精確的還(huan)要加上變損和線(xian)損。
3、單相電表怎么看
單相電表計量三相電的電量,電量讀取方式是直進式的連接電表的方式,讀取電表上的數字乘以3,若通過互感器連接的電表,要讀取電表數字乘以互感器電流倍數再乘以3,這種電表品牌產品讀法比較簡單。
4、智能電表怎么看
智能電(dian)表(biao)只(zhi)有(you)一(yi)個液(ye)晶屏,如(ru)果是(shi)單相(xiang)里(li)面(mian)(mian)會(hui)直接顯(xian)示總有(you)電(dian)量(liang)(liang)和剩(sheng)余電(dian)量(liang)(liang),直接讀(du)數(shu)就可(ke)以。如(ru)果是(shi)IC卡電(dian)表(biao),只(zhi)有(you)發光管顯(xian)示就是(shi)單顯(xian)卡表(biao),那電(dian)表(biao)上(shang)面(mian)(mian)上(shang)會(hui)有(you)個小(xiao)紅(hong)點(dian)。紅(hong)色的(de)小(xiao)點(dian)跳到總用那里(li)就是(shi)總用,跳到剩(sheng)余那里(li)就是(shi)剩(sheng)余。雙顯(xian)卡表(biao),讀(du)上(shang)面(mian)(mian)或下(xia)面(mian)(mian)都可(ke)以。三相(xiang)的(de)預付(fu)費(fei)電(dian)表(biao)直入式的(de)直接讀(du)數(shu),互感(gan)式的(de)用表(biao)的(de)讀(du)數(shu)乘以互感(gan)器(qi)倍率。
5、電表顯示跳閘怎么辦
空(kong)(kong)氣開(kai)(kai)關(guan)出現(xian)老化的(de)問題,內部電(dian)磁脫扣(kou)不能(neng)很好的(de)鎖扣(kou)。經常性出現(xian)脫扣(kou)問題,不存在修復的(de)可能(neng),只能(neng)直接(jie)換掉(diao),或(huo)讓當地供電(dian)部門進行處理。空(kong)(kong)氣開(kai)(kai)關(guan)接(jie)線(xian)柱(zhu)接(jie)觸(chu)不良導致發熱,熱量傳遞到空(kong)(kong)開(kai)(kai)上,空(kong)(kong)開(kai)(kai)有(you)過載(zai)跳閘功(gong)能(neng)也叫熱脫扣(kou),會出現(xian)跳閘。空(kong)(kong)氣開(kai)(kai)關(guan)上都會標有(you)額定電(dian)流數,比如C32是指家用最(zui)大功(gong)率不能(neng)超(chao)過7000W,如果(guo)超(chao)過就會引起(qi)跳閘。