if we convert ampers into kw,which one formula use by
us,pls tell me?
Answers were Sorted based on User's Feedback
Answer / rangnath
For AC Circuit,
KW = (V*I*PF)/ 1000
And For DC Circuit,
KW = (V*I)/ 1000
Where V = Voltage, I = Current, and PF = Power Factor
| Is This Answer Correct ? | 25 Yes | 5 No |
there is no one formula only.
there are some formulas that you must know,,
you must know how to use the correct one when you need it.
for DC power it is always just voltage x current = watts
for AC single phase it is always volt x current x pf = watts
for AC 3 phase it is root 3 x volt x current x pf = watts
the watts than you change to KW or MW if necessary.
this are all for real calculations. when you practice with it often than you will be able to give an estimate bcos the pf varies according to situation.
| Is This Answer Correct ? | 6 Yes | 0 No |
Answer / kumavat nareshkumar .c.
kw=v*i*cos(phi)/1000 in 1-phase ac
kw=1.73*v*i*cos(phi)/1000 in 3-phase ac
kw=v*i/1000 in dc
| Is This Answer Correct ? | 6 Yes | 1 No |
Answer / kumavat nareshkumar .c.
kw=v*i*cos(phi)*1000 in ac
kw=v*i*1000 in dc
where v=voltage,i=current,cos(phi)=powerfactor
| Is This Answer Correct ? | 2 Yes | 2 No |
Answer / arockia doss
Power(KW)*1000 = 1.732*V*I*Cos(pi)
I = KW*1000 /(1.732*V*Cos(pi))
| Is This Answer Correct ? | 1 Yes | 1 No |
Answer / dinesh (techie.dinesh@gmail.co
first, KVA*PF=KW
WE know that, power = VI
so KW=VI
KVA*PF=VI
so, I= (KVA*PF)/ V
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / sud
WE CANNOT CONVERT AMPERS INTO kw we can only convert amps
into kiloamps or watts into kilowatts, h.p
| Is This Answer Correct ? | 0 Yes | 8 No |
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