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(duo)功(gong)能電(dian)(dian)力儀表是一(yi)種具有可編程測(ce)量(liang)(liang)、顯(xian)示(shi)、數字通(tong)訊和電(dian)(dian)能脈沖變(bian)送輸(shu)出等(deng)多(duo)功(gong)能智(zhi)能儀表,具有完成(cheng)電(dian)(dian)量(liang)(liang)測(ce)量(liang)(liang)、電(dian)(dian)能計量(liang)(liang)、數據(ju)顯(xian)示(shi)、采集及傳輸(shu)等(deng)功(gong)能,廣泛(fan)應用于變(bian)電(dian)(dian)站自動(dong)化(hua)、配電(dian)(dian)自動(dong)化(hua)、智(zhi)能建筑、企業內部的電(dian)(dian)能測(ce)量(liang)(liang)、管理、考核(he)等(deng)。
2、什么是電度表
電(dian)度表又叫電(dian)能(neng)(neng)表,簡(jian)稱電(dian)表,是測(ce)量電(dian)能(neng)(neng)的儀表,廣泛應(ying)用(yong)于家庭用(yong)電(dian)、商業(ye)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)(dian)度表(biao)(biao)(biao)是一種傳統的(de)電(dian)(dian)(dian)能(neng)(neng)測(ce)量(liang)儀表(biao)(biao)(biao),通(tong)常采用鐵芯(xin)電(dian)(dian)(dian)流(liu)互感器和(he)(he)(he)電(dian)(dian)(dian)磁(ci)式電(dian)(dian)(dian)壓表(biao)(biao)(biao)實(shi)(shi)現測(ce)量(liang)。電(dian)(dian)(dian)度表(biao)(biao)(biao)通(tong)過對(dui)電(dian)(dian)(dian)流(liu)和(he)(he)(he)電(dian)(dian)(dian)壓的(de)積(ji)分來計(ji)算(suan)(suan)電(dian)(dian)(dian)能(neng)(neng)的(de)消耗量(liang),因此它的(de)測(ce)量(liang)精度會(hui)受到電(dian)(dian)(dian)壓和(he)(he)(he)電(dian)(dian)(dian)流(liu)波形(xing)的(de)影響。多功能(neng)(neng)電(dian)(dian)(dian)力儀表(biao)(biao)(biao)則采用數字化技術(shu)實(shi)(shi)現電(dian)(dian)(dian)能(neng)(neng)測(ce)量(liang),其原理(li)是通(tong)過對(dui)電(dian)(dian)(dian)流(liu)和(he)(he)(he)電(dian)(dian)(dian)壓進(jin)行(xing)采樣和(he)(he)(he)數字處理(li),并對(dui)測(ce)量(liang)結果進(jin)行(xing)校正和(he)(he)(he)計(ji)算(suan)(suan),可以實(shi)(shi)現高精度的(de)電(dian)(dian)(dian)能(neng)(neng)測(ce)量(liang)。
(2)功能區別
電(dian)度表(biao)通常(chang)只(zhi)能(neng)測量電(dian)能(neng)的(de)消耗量,不能(neng)提供(gong)其他相關的(de)電(dian)參(can)數(shu),例如功(gong)(gong)率因數(shu)、電(dian)流諧(xie)(xie)波(bo)等(deng)信息。而多功(gong)(gong)能(neng)電(dian)力(li)儀(yi)表(biao)不僅可(ke)(ke)以測量電(dian)能(neng)的(de)消耗量,還可(ke)(ke)以提供(gong)豐富的(de)電(dian)參(can)數(shu)信息,例如電(dian)流、電(dian)壓、功(gong)(gong)率因數(shu)、電(dian)流諧(xie)(xie)波(bo)、電(dian)壓諧(xie)(xie)波(bo)等(deng)。此外,多功(gong)(gong)能(neng)電(dian)力(li)儀(yi)表(biao)還具有(you)數(shu)據存(cun)儲、通信接口(kou)、報(bao)警功(gong)(gong)能(neng)等(deng)附(fu)加功(gong)(gong)能(neng),可(ke)(ke)以更好地滿足(zu)不同用途和應用場合的(de)需求。
(3)應用區別
電(dian)(dian)度表通常應用于(yu)家庭和小型商(shang)業用電(dian)(dian)量的計量,例(li)如住(zhu)宅、商(shang)鋪(pu)等(deng)。而(er)多功(gong)能電(dian)(dian)力儀表則主要應用于(yu)工業生產(chan)線、電(dian)(dian)力系統等(deng)大型用電(dian)(dian)場合(he),其豐富(fu)的電(dian)(dian)參數信息可以幫助(zhu)用戶監測(ce)設(she)備運(yun)行狀態、優化能源管理(li),提(ti)高用電(dian)(dian)效率(lv)。
二、多功能電力儀表能當電度表嗎
多功能電(dian)(dian)力儀(yi)表(biao)(biao)集成了電(dian)(dian)壓表(biao)(biao)、電(dian)(dian)流表(biao)(biao)、功率(lv)因數表(biao)(biao)、功率(lv)表(biao)(biao)、頻率(lv)表(biao)(biao)、電(dian)(dian)度(du)表(biao)(biao)的功能,可(ke)以(yi)在一(yi)個顯(xian)示界面(mian)上滾(gun)動顯(xian)示上述量值(zhi),它(ta)也是可(ke)以(yi)起到電(dian)(dian)度(du)表(biao)(biao)電(dian)(dian)能測量的作用(yong)的,不過(guo)一(yi)般來(lai)說(shuo),不建議(yi)用(yong)多功能電(dian)(dian)力儀(yi)表(biao)(biao)當電(dian)(dian)度(du)表(biao)(biao)用(yong)。
多功能電力儀表是測量(liang)表(biao)(biao)(biao)(biao),測量(liang)表(biao)(biao)(biao)(biao)僅(jin)作為顯(xian)示、監控等(deng)使用,可(ke)(ke)清(qing)零(ling)可(ke)(ke)復位(wei)可(ke)(ke)改變(bian)比,且測量(liang)表(biao)(biao)(biao)(biao)計(ji)(ji)接入(ru)的CT、PT的精度(du)(du)級(ji)(ji)也都是測量(liang)級(ji)(ji)(一般是0.5級(ji)(ji));而電(dian)(dian)(dian)度(du)(du)表(biao)(biao)(biao)(biao)屬于(yu)計(ji)(ji)量(liang)表(biao)(biao)(biao)(biao),不(bu)(bu)可(ke)(ke)清(qing)零(ling)不(bu)(bu)可(ke)(ke)復位(wei)不(bu)(bu)可(ke)(ke)改變(bian)比(用計(ji)(ji)量(liang)表(biao)(biao)(biao)(biao)廠家只(zhi)提供給電(dian)(dian)(dian)力公司的專業軟(ruan)件可(ke)(ke)以改,所以計(ji)(ji)量(liang)表(biao)(biao)(biao)(biao)需得到電(dian)(dian)(dian)力公司的認(ren)證),接入(ru)的CT、PT的精度(du)(du)級(ji)(ji)也都是計(ji)(ji)量(liang)級(ji)(ji)(一般是0.2s或0.2級(ji)(ji))。因此,不(bu)(bu)能把多功(gong)能電(dian)(dian)(dian)力儀表(biao)(biao)(biao)(biao)當(dang)電(dian)(dian)(dian)度(du)(du)表(biao)(biao)(biao)(biao)用。