Queries, comments, suggestions? Please contact us.



Area Circuit theory / General

IEV ref131-11-42

Symbol
P

en
active power
under periodic conditions, mean value, taken over one period T, of the instantaneous power p

P= 1 T 0 T pdt MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaKqzGfGaamiuaiabg2 da9OWaaSaaaeaajugybiaaigdaaOqaaKqzGfGaamivaaaakmaapeha baqcLbwacaWGWbGaaGPaVlGacsgacaaMi8UaamiDaaWcbaacbaqcLb oacaWFWaaaleaajugabiaadsfaa0Gaey4kIipaaaa@47E0@

Note 1 to entry: Under sinusoidal conditions, the active power is the real part of the complex power S _ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdi9qqqj=hEeeu0lXdbb a9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9 q8qiLsFr0=vr0=vr0db8meaabaGacmGadiWaaiWabaabaiaafaaake aadaadaaqaaiaadofaaaaaaa@3A75@ , thus P _ =Re S _ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdi9qqqj=hEeeu0lXdbb a9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9 q8qiLsFr0=vr0=vr0db8meaabaGacmGadiWaaiWabaabaiaafaaake aadaadaaqaaiaadcfaaaGaeyypa0JaciOuaiaacwgadaadaaqaceaa KvGaam4uaaaaaaa@3E8D@ .

Note 2 to entry: The coherent SI unit for active power is watt, W.


fr
puissance active, f
en régime périodique, moyenne, sur une période T, de la puissance instantanée p

P= 1 T 0 T pdt MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaKqzGfGaamiuaiabg2 da9OWaaSaaaeaajugybiaaigdaaOqaaKqzGfGaamivaaaakmaapeha baqcLbwacaWGWbGaaGPaVlGacsgacaaMi8UaamiDaaWcbaacbaqcLb oacaWFWaaaleaajugabiaadsfaa0Gaey4kIipaaaa@47E0@

Note 1 à l’article: En régime sinusoïdal, la puissance active est la partie réelle de la puissance complexe S _ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdi9qqqj=hEeeu0lXdbb a9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9 q8qiLsFr0=vr0=vr0db8meaabaGacmGadiWaaiWabaabaiaafaaake aadaadaaqaaiaadofaaaaaaa@3A75@ , soit P=Re S _ MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaKqzGeGaamiuaiabg2 da9KqzaeGaciOuaiaacwgacaaMe8+cdaadaaqcLbqabaqcLbsacaWG tbaaaaaa@3D67@ .

Note 2 à l’article: L’unité SI cohérente de puissance active est le watt, W.


ar
القدرة الفعالة

de
Wirkleistung, f

es
potencia activa

it
potenza attiva

ja
有効電力

pl
moc czynna

pt
potência activa

zh
有功功率

Publication date: 2013-08
Copyright © IEC 2017. All Rights Reserved.