How to calculate KW what is the formula for KW.
Answers were Sorted based on User's Feedback
Answer / manoj kumar
for single phase it is-
average voltage x average amp. x power factor (0.85)
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1000
for three phase it is-
average voltage x average amp. x power factor (0.85) x 1.732
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1000
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Answer / ram kumar pandey
For single phase
kW = V*I*cosQ/1000
For three phase
kW = 1.732*V*I*CosQ/1000
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Answer / p l narayana
KW is an electrical specification that which intends the
amount of energy required to do a job
The given example will give an idea to calculate KW
10KG object is to move one meter distance in one
section then required kw is =weight*g*d/(t*1000) KW in
mechanical terms
Now in electrical terms
KW=V*I*PF
= 3^0.5*V*I*PF
WHERE V=Phase voltage
I=Phase current
PF=Power factor
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Answer / arunkumar.s
Normally Voltage & Current Vil b Given,
Kw = V*i*Power Factor ( only Single Phase )
Kw = 1.73*V*I*Power factor ( only Three Phase )
Then, KVA vil b Given,
KW = KVA*Powerfactor ( Both single & Three Phase )
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Answer / arun kumar.s
Voltage & Current vil b Given,
KW = (V*I*Powerfactor)/1000 ( only Single Phase )
KW = (1.732*V*I*Powerfactor)/1000 (Only Three phase )
KVA Vil b Given,
KW = KVA/Powerfactor (Both Single & Three Phase )
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Answer / manik chatterjee
IN SINGLE PHASE,KW=V*I COS$
IN THREE PHASE,KW=1.732 *V*I COS$
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