锟斤拷锟斤拷锟斤拷锟斤拷電癸拷锟绞癸拷式锟斤拷P=√3*锟斤拷電夛拷U*I*锟斤拷锟斤拷锟斤拷(sh锟斤拷)COSΦ锟斤拷式锟斤拷P锟斤拷锟斤拷锟斤拷锟斤拷U锟斤拷锟斤拷電夛拷锟斤拷I锟斤拷锟斤拷锟�锟斤拷cosφ锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷cosφ锟斤拷锟斤拷锟斤拷锟斤拷負(f锟斤拷)锟絛锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷cosφ锟斤拷锟节革拷锟斤拷負(f锟斤拷)锟絛锟斤拷

锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷P(gu锟斤拷n)計锟姐公式

锟斤拷锟斤拷1. P=W/t 锟斤拷要锟絤锟斤拷锟斤拷锟斤拷知锟斤拷芎蜁r锟絞锟斤拷锟斤拷

锟斤拷锟斤拷2. P=UI 锟斤拷要锟絤锟斤拷锟斤拷锟斤拷知電夛拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷3. P=U^2/R =I^2R锟斤拷要锟絤锟斤拷锟节硷拷锟斤拷锟斤拷路

锟斤拷锟斤拷一锟斤拷锟斤拷锟节诧拷聯(li锟斤拷n)锟铰凤拷锟诫妷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷變锟斤拷锟斤拷锟诫姽锟斤拷锟�

锟斤拷锟斤拷4.P=I^2R 锟斤拷要锟斤拷锟节硷拷锟斤拷锟斤拷路

锟斤拷锟斤拷一锟斤拷锟斤拷锟节达拷聯(li锟斤拷n)锟铰凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟阶冿拷锟斤拷锟斤拷電癸拷锟斤拷

锟斤拷锟斤拷5.P=n/Nt 锟斤拷要锟絤锟斤拷锟斤拷锟斤拷锟斤拷鼙锟斤拷锟界姳锟斤拷锟斤拷電癸拷锟斤拷

锟斤拷锟斤拷t-----锟斤拷锟斤拷锟斤拷为锟�(d锟斤拷)锟斤拷锟斤拷锟侥時锟絞锟斤拷锟斤拷位锟斤拷小锟絩

锟斤拷锟斤拷n----锟斤拷锟斤拷锟斤拷为锟�(d锟斤拷)锟斤拷锟斤拷 t 锟絩锟絞锟斤拷(n锟斤拷i)锟斤拷鼙锟斤拷D(zhu锟斤拷n)锟絇锟紻(zhu锟斤拷n)锟絕锟斤拷锟紻(zhu锟斤拷n)锟斤拷(sh锟斤拷)

锟斤拷锟斤拷N----锟斤拷鼙锟斤拷锟斤拷锟斤拷每锟斤拷锟斤拷 1 千锟竭時锟斤拷鼙锟斤拷D(zhu锟斤拷n)锟絇锟紻(zhu锟斤拷n)锟絕锟斤拷锟紻(zhu锟斤拷n)锟斤拷(sh锟斤拷)

锟斤拷锟斤拷6.锟斤拷锟绞的憋拷锟斤拷锟絇(gu锟斤拷n)系

锟斤拷锟斤拷锟斤拷聯(li锟斤拷n)锟铰凤拷锟絇/P'=R/R' P锟斤拷=P'*P''/P'+P"锟斤拷聯(li锟斤拷n)锟铰凤拷锟絇/P'=R'/R P锟斤拷=P'+P"

锟斤拷锟斤拷2锟斤拷锟斤拷電碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷锟�锟斤拷锟絣锟斤拷锟斤拷同锟斤拷锟斤拷锟斤拷位锟斤拷锟�120°锟侥斤拷锟斤拷電猴拷锟斤拷一锟斤拷徒M锟斤拷一锟斤拷锟斤拷锟洁交锟斤拷锟�锟斤拷锟斤拷(sh锟斤拷)锟紿锟斤拷锟斤拷锟洁交锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絣(f锟斤拷)電機(j锟斤拷)锟絘(ch锟斤拷n)锟斤拷锟侥ｏ拷锟节發(f锟斤拷)電機(j锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷同锟斤拷锟紷锟組锟斤拷锟斤拷锟絞锟斤拷锟�120°锟斤拷锟斤拷植锟�锟斤拷锟紷锟接ｏ拷锟絣(f锟斤拷)電機(j锟斤拷)锟斤拷锟紻(zhu锟斤拷n)锟酵匡拷锟皆產(ch锟斤拷n)锟斤拷锟組锟斤拷锟斤拷锟斤拷锟絣锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟洁交锟斤拷锟�锟斤拷锟斤拷锟节筹拷锟斤拷位锟斤拷锟�120°锟斤拷锟节革拷锟絣锟斤拷(d锟斤拷o)锟斤拷锟斤拷锟斤拷锟絕锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷r锟絞锟斤拷锟斤拷锟紷锟接就诧拷锟斤拷要锟斤拷锟絣锟斤拷(d锟斤拷o)锟斤拷锟斤拷锟�锟斤拷锟斤拷只锟斤拷锟节發(f锟斤拷)電機(j锟斤拷)锟斤拷(n锟斤拷i)锟斤拷锟斤拷锟斤拷锟斤拷锟紷锟組锟斤拷一锟斤拷锟斤拷式聯(li锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絣锟斤拷锟侥條锟斤拷(d锟斤拷o)锟斤拷锟斤拷電★拷锟絣(f锟斤拷)電機(j锟斤拷)每锟斤拷锟紷锟組锟絣(f锟斤拷)锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷電斤拷锟斤拷锟斤拷锟洁交锟斤拷锟斤拷械锟揭伙拷锟�锟斤拷锟斤拷锟斤拷锟揭傦拷锟斤拷使锟矫的嗭拷锟洁交锟斤拷锟�锟斤拷

锟斤拷锟斤拷锟絣(f锟斤拷)電機(j锟斤拷)锟斤拷锟斤拷锟紷锟組锟街別锟絈锟斤拷A锟斤拷锟紷锟組锟斤拷B锟斤拷锟紷锟組锟斤拷C锟斤拷锟紷锟組锟斤拷

锟斤拷锟斤拷锟揭傦拷锟斤拷一锟斤拷锟紷锟組锟斤拷尾锟斤拷锟絚锟斤拷一锟斤拷锟紷锟組锟斤拷锟阶端斤拷锟斤拷一锟斤拷锟斤拷一锟斤拷锟紷锟組锟斤拷尾锟斤拷锟斤拷锟絚锟斤拷一锟斤拷锟紷锟組锟斤拷锟阶端斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟紷锟組锟接筹拷一圈锟斤拷锟斤拷每锟斤拷锟斤拷锟絚(di锟斤拷n)锟接筹拷一锟絣锟斤拷锟絈锟斤拷锟斤拷锟斤拷锟轿接凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紷锟組锟斤拷尾锟剿斤拷锟斤拷一锟斤拷锟斤拷每锟斤拷锟阶端接筹拷一锟絣锟斤拷锟絈锟斤拷锟斤拷锟酵接凤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟絔锟斤拷

锟斤拷锟斤拷锟竭匡拷锟斤拷锟斤拷知锟絉锟絚(di锟斤拷n)锟絉锟斤拷

锟斤拷锟斤拷锟斤拷锟絖(d锟斤拷)锟斤拷效锟斤拷(y锟斤拷ng)锟斤拷什么锟紽(xi锟斤拷n)锟斤拷锟斤拷锟斤拷些锟斤拷(y锟斤拷ng)锟斤拷

锟斤拷锟铰高匡拷锟結訊锟斤拷锟竭匡拷锟斤拷锟斤拷锟斤拷锟斤拷前锟斤拷(zh锟斤拷n)锟斤拷锟斤拷志愿锟斤拷锟�锟斤拷锟饺★拷锟�?j锟斤拷n)?sh锟斤拷)锟斤拷锟斤拷

锟竭匡拷锟絩锟絞锟斤拷锟斤拷全锟斤拷锟斤拷要锟斤拷(ji锟斤拷)锟絚(di锟斤拷n)

锟組锟斤拷"微锟斤拷"