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三源申特電能表原理及主要功能

三源(yuan)申特電能表是用(yong)來測(ce)量電(dian)能的(de)儀(yi)(yi)表(biao)(biao)(biao)(biao)，又稱電(dian)度表(biao)(biao)(biao)(biao)，火表(biao)(biao)(biao)(biao)，千瓦小時表(biao)(biao)(biao)(biao)，指(zhi)測(ce)量各(ge)種電(dian)學量的(de)儀(yi)(yi)表(biao)(biao)(biao)(biao)。使用(yong)電(dian)能表(biao)(biao)(biao)(biao)時要注意，在低電(dian)壓(ya)(ya)（不(bu)超過500伏）和(he)小電(dian)流（幾十安(an)）的(de)情況下，電(dian)能表(biao)(biao)(biao)(biao)可直接(jie)(jie)接(jie)(jie)入(ru)電(dian)路進行測(ce)量。在高電(dian)壓(ya)(ya)或大電(dian)流的(de)情況下，電(dian)能表(biao)(biao)(biao)(biao)不(bu)能直接(jie)(jie)接(jie)(jie)入(ru)線路，需配合電(dian)壓(ya)(ya)互感器(qi)或電(dian)流互感器(qi)使用(yong)。

當把電(dian)(dian)(dian)能表(biao)接入被(bei)測電(dian)(dian)(dian)路時，電(dian)(dian)(dian)流(liu)線圈(quan)和電(dian)(dian)(dian)壓線圈(quan)中就(jiu)有交變電(dian)(dian)(dian)流(liu)流(liu)過(guo)，這兩個交變電(dian)(dian)(dian)流(liu)分別在(zai)它們的(de)(de)(de)(de)(de)鐵芯中產(chan)生(sheng)交變的(de)(de)(de)(de)(de)磁通(tong)；交變磁通(tong)穿過(guo)鋁(lv)盤，在(zai)鋁(lv)盤中感(gan)應出渦(wo)(wo)流(liu)；渦(wo)(wo)流(liu)又在(zai)磁場中受到(dao)力的(de)(de)(de)(de)(de)作用，從(cong)而(er)使(shi)鋁(lv)盤得到(dao)轉(zhuan)矩（主(zhu)動力矩）而(er)轉(zhuan)動。負載(zai)消耗的(de)(de)(de)(de)(de)功(gong)率越(yue)(yue)大，通(tong)過(guo)電(dian)(dian)(dian)流(liu)線圈(quan)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)流(liu)越(yue)(yue)大，鋁(lv)盤中感(gan)應出的(de)(de)(de)(de)(de)渦(wo)(wo)流(liu)也越(yue)(yue)大，使(shi)鋁(lv)盤轉(zhuan)動的(de)(de)(de)(de)(de)力矩就(jiu)越(yue)(yue)大。即轉(zhuan)矩的(de)(de)(de)(de)(de)大小跟負載(zai)消耗的(de)(de)(de)(de)(de)功(gong)率成正比。

功率(lv)越(yue)大(da)，轉(zhuan)(zhuan)矩(ju)(ju)也(ye)越(yue)大(da)，鋁盤(pan)(pan)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)(dong)(dong)也(ye)就越(yue)快。鋁盤(pan)(pan)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)(dong)(dong)時(shi)，又受到*磁鐵產生(sheng)的(de)(de)制(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)力(li)(li)矩(ju)(ju)的(de)(de)作(zuo)用，制(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)力(li)(li)矩(ju)(ju)與主(zhu)動(dong)(dong)(dong)(dong)(dong)(dong)力(li)(li)矩(ju)(ju)方向相反；制(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)力(li)(li)矩(ju)(ju)的(de)(de)大(da)小(xiao)與鋁盤(pan)(pan)的(de)(de)轉(zhuan)(zhuan)速成正比(bi)，鋁盤(pan)(pan)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)(dong)(dong)得越(yue)快，制(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)力(li)(li)矩(ju)(ju)也(ye)越(yue)大(da)。當主(zhu)動(dong)(dong)(dong)(dong)(dong)(dong)力(li)(li)矩(ju)(ju)與制(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)力(li)(li)矩(ju)(ju)達到暫時(shi)平衡時(shi)，鋁盤(pan)(pan)將勻速轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)(dong)(dong)。負載(zai)所消(xiao)耗的(de)(de)電能與鋁盤(pan)(pan)的(de)(de)轉(zhuan)(zhuan)數(shu)成正比(bi)。鋁盤(pan)(pan)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)(dong)(dong)時(shi)，帶(dai)動(dong)(dong)(dong)(dong)(dong)(dong)計數(shu)器(qi)，把所消(xiao)耗的(de)(de)電能指(zhi)示出(chu)來。這就是電能表工(gong)作(zuo)的(de)(de)簡單過程。

三源申特電能表主要功能

用(yong)(yong)戶(hu)持IC卡(ka)到供電(dian)(dian)(dian)(dian)部(bu)門(men)交款購(gou)電(dian)(dian)(dian)(dian)，供電(dian)(dian)(dian)(dian)部(bu)門(men)用(yong)(yong)售(shou)電(dian)(dian)(dian)(dian)管(guan)理(li)機將購(gou)電(dian)(dian)(dian)(dian)量寫入IC卡(ka)中，用(yong)(yong)戶(hu)持IC卡(ka)在感應(ying)區刷非接觸式IC卡(ka)（簡稱刷卡(ka)，下同），即可合閘(zha)供電(dian)(dian)(dian)(dian)，供電(dian)(dian)(dian)(dian)后將卡(ka)拿走。當(dang)表(biao)內剩(sheng)余電(dian)(dian)(dian)(dian)量等(deng)于(yu)報警電(dian)(dian)(dian)(dian)量時(shi)，拉閘(zha)斷(duan)電(dian)(dian)(dian)(dian)報警（或(huo)蜂(feng)鳴器報警），此時(shi)用(yong)(yong)戶(hu)在感應(ying)區刷卡(ka)即可恢(hui)復正常，此時(shi)用(yong)(yong)戶(hu)在感應(ying)區刷卡(ka)即可恢(hui)復供電(dian)(dian)(dian)(dian)；當(dang)剩(sheng)余電(dian)(dian)(dian)(dian)量為零時(shi)，自動(dong)拉閘(zha)斷(duan)電(dian)(dian)(dian)(dian)，用(yong)(yong)戶(hu)必須再次持卡(ka)交費(fei)(fei)購(gou)電(dian)(dian)(dian)(dian)，才可以(yi)恢(hui)復用(yong)(yong)電(dian)(dian)(dian)(dian)。有效(xiao)地解決上門(men)抄表(biao)和收(shou)電(dian)(dian)(dian)(dian)費(fei)(fei)難的(de)(de)問題。同時(shi)，用(yong)(yong)戶(hu)的(de)(de)購(gou)電(dian)(dian)(dian)(dian)信(xin)息(xi)實行(xing)(xing)微機管(guan)理(li)，方便進行(xing)(xing)查(cha)詢、統計、收(shou)費(fei)(fei)及打(da)印票據等(deng)。具有雙顯示(shi)、計量準(zhun)確、精度(du)穩定、安全保密、性(xing)能(neng)(neng)可靠、功能(neng)(neng)完全、低(di)功耗(hao)、操作(zuo)簡單方便等(deng)優點。另外還有低(di)成本的(de)(de)單顯示(shi)電(dian)(dian)(dian)(dian)能(neng)(neng)表(biao)。

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