知道電壓電流怎么算功率?_百度知道
功(gong)率的計算(suan)是(shi)P=U*IP功(gong)率U電(dian)壓I電(dian)流你的問題是(shi)P=2.4V*0.12A=0.288W=288mW注(zhu)意公式計算(suan)要同等量級的單位計算(suan)添(tian)加(jia)評(ping)論(0)評(ping)論讀取。
知道電壓電流,怎么算功率?_工程_技術_天涯問答
知(zhi)道電(dian)(dian)(dian)壓(ya),知(zhi)道電(dian)(dian)(dian)流(liu)我怎么算功(gong)率(lv)(lv)呀(ya)?電(dian)(dian)(dian)壓(ya)是(shi)12V電(dian)(dian)(dian)流(liu)是(shi)100ma那功(gong)率(lv)(lv)應該是(shi)多少呀(ya)?電(dian)(dian)(dian)流(liu)電(dian)(dian)(dian)壓(ya)功(gong)率(lv)(lv)P=UI=12*0.1=1.2(w)。
知道電壓電流時間怎么算功率-已解決-搜搜問問
電(dian)(dian)壓408V;405V;405V;電(dian)(dian)流97A;電(dian)(dian)流105A;電(dian)(dian)流56A;答案:亂了的(de)心緒2010-04-2816:00三(san)相(xiang)負載不平(ping)衡(heng),可采用平(ping)均值計算,三(san)相(xiang)交流電(dian)(dian)路功率公式:P=根號3。
計算所有關于電流,電壓,電阻,功率的計算公式總結_基礎_百度
已(yi)經知道電(dian)機功(gong)率(lv)為300KW,380v電(dian)壓》,相電(dian)流怎么計算啊?-已(yi)回(hui)答(da)-搜搜問問2011-09-14閱(yue):轉:分(fen)享答(da)案功(gong)率(lv)除以電(dian)壓3000000*380=7895A夢醒。
知道電壓,知道電流我怎么算功率呀?急_愛問知識人
計(ji)算(suan)所有關(guan)于(yu)電(dian)(dian)(dian)流,電(dian)(dian)(dian)壓,電(dian)(dian)(dian)阻(zu),功(gong)率(lv)的(de)計(ji)算(suan)公式總結(基(ji)(ji)礎(chu)的(de)基(ji)(ji)礎(chu))1、串(chuan)聯(lian)電(dian)(dian)(dian)路電(dian)(dian)(dian)流和電(dian)(dian)(dian)壓有以下(xia)幾個規(gui)律:(如(ru):R1,R2串(chuan)聯(lian))①電(dian)(dian)(dian)流:I=I1=I2(串(chuan)聯(lian)電(dian)(dian)(dian)路中各(ge)處的(de)。
知道電壓,知道電流我怎么算功率呀?急_愛問知識人
電(dian)(dian)(dian)(dian)動機啟動時的瞬時啟動電(dian)(dian)(dian)(dian)流(liu)是電(dian)(dian)(dian)(dian)機額(e)定(ding)(ding)電(dian)(dian)(dian)(dian)流(liu)的5-7倍(bei),如果電(dian)(dian)(dian)(dian)機質量不好,甚有(you)到10倍(bei)的,額(e)定(ding)(ding)功率除(chu)以額(e)定(ding)(ding)電(dian)(dian)(dian)(dian)壓是額(e)定(ding)(ding)電(dian)(dian)(dian)(dian)流(liu)三(san)相(xiang)電(dian)(dian)(dian)(dian)有(you)個1.732的系數(P=1.732UI,。
已知三相線路的電流電壓,如何計算線路總功率_百度知道
誰知道功率電(dian)壓電(dian)流(liu)的(de)(de)情況下怎么(me)算線的(de)(de)面(mian)(mian)(mian)積?滿(man)(man)意答案愛迪2138個(ge)滿(man)(man)意答案2011-05-09我們可依據用(yong)電(dian)器的(de)(de)工(gong)作電(dian)流(liu)來(lai)估算所需導線截面(mian)(mian)(mian)的(de)(de)面(mian)(mian)(mian)積,下面(mian)(mian)(mian)有個(ge)口訣,。
已知三相線路的電流電壓,如何計算線路總功率其他問題_PCauto快問
功率、電(dian)壓(ya)、電(dian)流都知道,是怎么算要使(shi)用多大電(dian)線?里(li)面的1.732是指什(shen)么?twyued的答復(fu):銅(tong)線1平方,按7A除以1.732計(ji)算(保(bao)險起見(jian)直(zhi)接按每平方4A計(ji)算)。
已經知道電機功率為300KW,380v電壓》,相電流怎么計算啊?-已回答
功(gong)率是(shi)4700W\電(dian)(dian)(dian)(dian)加熱的(de)(de)功(gong)率是(shi)3500W(此功(gong)能冬季(ji)使用)我想知(zhi)道怎(zen)么計算它的(de)(de)電(dian)(dian)(dian)(dian)流(P損:輸(shu)(shu)電(dian)(dian)(dian)(dian)線上損失的(de)(de)功(gong)率,P:輸(shu)(shu)送電(dian)(dian)(dian)(dian)能的(de)(de)總功(gong)率,U:輸(shu)(shu)送電(dian)(dian)(dian)(dian)壓,R:輸(shu)(shu)電(dian)(dian)(dian)(dian)線。
計算所有關于電流,電壓,電阻,功率的計算公式總結(基礎的基礎)-
所求的(de)應當是線(xian)(xian)電(dian)流,根據三相對稱負荷(he)電(dian)路中功率的(de)計算式P=1.732U線(xian)(xian)I線(xian)(xian)cosφ得I線(xian)(xian)=P/(1.732U線(xian)(xian)cosφ).如U線(xian)(xian)取千伏(fu),P則取千瓦(wa),cosφ設為(wei)0.85(實際。
已知功率和電壓怎樣計算電流_百度知道
故答(da)案為:燈泡的功率隨電(dian)(dian)壓的增加而增大;測定值電(dian)(dian)阻(或(huo)長度測量等).(6)①測量時,應閉合開關S和S1,當電(dian)(dian)流(liu)表示數為I1=U額R0時,燈泡兩(liang)端電(dian)(dian)壓等于額定電(dian)(dian)壓,。
知道功率和電壓怎樣計算電流_百度知道
32000每(mei)相(xiang)的(de)功率÷380電(dian)(dian)壓=84.21每(mei)相(xiang)電(dian)(dian)流開關相(xiang)對要大一些,150A以上樓上計算有問題“已經知道整個小(xiao)區(qu)的(de)總功率加起來有96000瓦,用的(de)380V三相(xiang)四。
380V總功率是54KW的照明線路請問電流是多少需要多少平方銅蕊電線
400KVA變壓(ya)(ya)器的功(gong)率(lv)電(dian)壓(ya)(ya)功(gong)率(lv)電(dian)流時怎么(me)計算的?根據變壓(ya)(ya)器容量公式S=√3UI,該(gai)變壓(ya)(ya)器額定電(dian)流I=400/0.4/1.732≈577A。125KW的負(fu)荷不(bu)知(zhi)道(dao)是(shi)什么(me)性質,。