一、多功能電力儀表和電度表的區別是什么
1、什么是多功能電力儀表
多功(gong)能(neng)電(dian)(dian)力(li)儀(yi)表(biao)(biao)是(shi)一種具有可編(bian)程測量(liang)、顯(xian)示、數字通訊和電(dian)(dian)能(neng)脈沖變送輸出(chu)等多功(gong)能(neng)智能(neng)儀(yi)表(biao)(biao),具有完成電(dian)(dian)量(liang)測量(liang)、電(dian)(dian)能(neng)計量(liang)、數據顯(xian)示、采(cai)集及傳輸等功(gong)能(neng),廣泛應用(yong)于變電(dian)(dian)站自動化、配電(dian)(dian)自動化、智能(neng)建(jian)筑、企業(ye)內部的(de)電(dian)(dian)能(neng)測量(liang)、管理、考(kao)核(he)等。
2、什么是電度表
電(dian)度表又(you)叫電(dian)能表,簡稱電(dian)表,是測(ce)量電(dian)能的儀表,廣泛應用(yong)于家庭用(yong)電(dian)、商(shang)業用(yong)電(dian)等方(fang)面。
3、多功能電力儀表和電度表的區別
(1)原理區別
電(dian)(dian)度(du)表(biao)(biao)是(shi)一種(zhong)傳(chuan)統(tong)的(de)(de)電(dian)(dian)能(neng)測(ce)量(liang)儀表(biao)(biao),通(tong)常采用鐵芯電(dian)(dian)流(liu)互感器和(he)電(dian)(dian)磁式電(dian)(dian)壓表(biao)(biao)實(shi)現(xian)測(ce)量(liang)。電(dian)(dian)度(du)表(biao)(biao)通(tong)過(guo)對(dui)(dui)電(dian)(dian)流(liu)和(he)電(dian)(dian)壓的(de)(de)積(ji)分來計(ji)算電(dian)(dian)能(neng)的(de)(de)消耗(hao)量(liang),因此(ci)它的(de)(de)測(ce)量(liang)精度(du)會受(shou)到(dao)電(dian)(dian)壓和(he)電(dian)(dian)流(liu)波形的(de)(de)影響(xiang)。多功能(neng)電(dian)(dian)力儀表(biao)(biao)則采用數(shu)字(zi)化技(ji)術實(shi)現(xian)電(dian)(dian)能(neng)測(ce)量(liang),其(qi)原(yuan)理(li)是(shi)通(tong)過(guo)對(dui)(dui)電(dian)(dian)流(liu)和(he)電(dian)(dian)壓進行(xing)采樣和(he)數(shu)字(zi)處(chu)理(li),并對(dui)(dui)測(ce)量(liang)結果進行(xing)校正(zheng)和(he)計(ji)算,可(ke)以實(shi)現(xian)高精度(du)的(de)(de)電(dian)(dian)能(neng)測(ce)量(liang)。
(2)功能區別
電度表(biao)(biao)通(tong)常只能(neng)測量電能(neng)的消耗量,不(bu)能(neng)提(ti)供其他相關(guan)的電參數(shu),例如(ru)功(gong)(gong)率(lv)因數(shu)、電流(liu)(liu)諧波(bo)(bo)等(deng)信息(xi)。而多功(gong)(gong)能(neng)電力儀表(biao)(biao)不(bu)僅可以測量電能(neng)的消耗量,還(huan)可以提(ti)供豐富的電參數(shu)信息(xi),例如(ru)電流(liu)(liu)、電壓(ya)、功(gong)(gong)率(lv)因數(shu)、電流(liu)(liu)諧波(bo)(bo)、電壓(ya)諧波(bo)(bo)等(deng)。此(ci)外,多功(gong)(gong)能(neng)電力儀表(biao)(biao)還(huan)具有數(shu)據(ju)存儲(chu)、通(tong)信接口、報警(jing)功(gong)(gong)能(neng)等(deng)附(fu)加功(gong)(gong)能(neng),可以更好地滿足不(bu)同用途和(he)應(ying)用場合的需求(qiu)。
(3)應用區別
電(dian)(dian)度(du)表(biao)通常應用(yong)(yong)于家庭和(he)小(xiao)型(xing)(xing)商(shang)業用(yong)(yong)電(dian)(dian)量(liang)的計量(liang),例如住宅、商(shang)鋪等。而多(duo)功能電(dian)(dian)力儀(yi)表(biao)則主要(yao)應用(yong)(yong)于工業生產線、電(dian)(dian)力系統等大型(xing)(xing)用(yong)(yong)電(dian)(dian)場合,其豐富的電(dian)(dian)參數信息可以(yi)幫助用(yong)(yong)戶監測設備運行狀態(tai)、優化能源管(guan)理,提高用(yong)(yong)電(dian)(dian)效率。
二、多功能電力儀表能當電度表嗎
多功(gong)(gong)能(neng)(neng)電(dian)(dian)力儀表(biao)(biao)(biao)集(ji)成了(le)電(dian)(dian)壓(ya)表(biao)(biao)(biao)、電(dian)(dian)流(liu)表(biao)(biao)(biao)、功(gong)(gong)率(lv)因數表(biao)(biao)(biao)、功(gong)(gong)率(lv)表(biao)(biao)(biao)、頻率(lv)表(biao)(biao)(biao)、電(dian)(dian)度(du)表(biao)(biao)(biao)的功(gong)(gong)能(neng)(neng),可以(yi)在(zai)一(yi)個(ge)顯(xian)示(shi)界面上滾動顯(xian)示(shi)上述量值,它也是可以(yi)起到電(dian)(dian)度(du)表(biao)(biao)(biao)電(dian)(dian)能(neng)(neng)測量的作用的,不過一(yi)般(ban)來說,不建議(yi)用多功(gong)(gong)能(neng)(neng)電(dian)(dian)力儀表(biao)(biao)(biao)當電(dian)(dian)度(du)表(biao)(biao)(biao)用。
多功能電力儀表是(shi)測(ce)量(liang)表(biao),測(ce)量(liang)表(biao)僅作為顯示、監控(kong)等使用,可(ke)(ke)清零可(ke)(ke)復位可(ke)(ke)改變比,且(qie)測(ce)量(liang)表(biao)計(ji)接(jie)(jie)入的(de)CT、PT的(de)精(jing)度級也都是(shi)測(ce)量(liang)級(一般是(shi)0.5級);而電(dian)(dian)度表(biao)屬(shu)于計(ji)量(liang)表(biao),不(bu)可(ke)(ke)清零不(bu)可(ke)(ke)復位不(bu)可(ke)(ke)改變比(用計(ji)量(liang)表(biao)廠家只提供(gong)給電(dian)(dian)力(li)公司(si)的(de)專業(ye)軟件可(ke)(ke)以(yi)改,所(suo)以(yi)計(ji)量(liang)表(biao)需得到(dao)電(dian)(dian)力(li)公司(si)的(de)認(ren)證),接(jie)(jie)入的(de)CT、PT的(de)精(jing)度級也都是(shi)計(ji)量(liang)級(一般是(shi)0.2s或0.2級)。因此(ci),不(bu)能(neng)把(ba)多功(gong)能(neng)電(dian)(dian)力(li)儀(yi)表(biao)當電(dian)(dian)度表(biao)用。