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Convert Watts (W) to Voltage (V) Calculation
To convert KVA to Amps , Please provide the values below:
To calculate watts to volts DC circuit, use the following formula:
In DC circuits,The voltage V in volt (V) is equal to the Real power P in Watts (W) divided by the current I in amps (A).
To calculate watts to volts single phase , use the following formula:
In AC circuits,The voltage V in volt (V) is equal to the Real power P in Watts (W) divided by the current I in amps (A) and times the power factor (pf).
To calculate watts to volts 3 phase , use the following formula:
In AC circuits,The voltage V in volt (V) is equal to the Real power P in Watts (W) divided by √3 times the current I in amps (A) and times the power factor (pf).
For Example 01
If an DC motor takes 12amp and real power 2760W . Calculate the voltage of the motor.
Answer
Where,
I= 12amps ,P = 2760W
We Know
V (V) = P(W) ÷ I(A)
V(V) = 2760 ÷ 12
V (V) = 230
Voltage = 230 V
For Example 02
If an single phase Induction motor takes 15amp and real power 5000W at 0.9 (lag) power factor . Calculate the voltage of the motor.
Answer
Where,
I= 12amps ,P = 5000W,pf=0.9
We Know
V (V) = P(W) ÷ I(A) x pf
V(V) = 5000÷ 12 x 0.9
V (V) = 370.37
Voltage = 370.37 V
For Example 03
If an three phase Induction motor takes 10amp and real power 10000W at 0.92 (lag) power factor . Calculate the line to line voltage of the motor.
Answer
Where,
I= 10amps ,P = 10000W,pf=0.92
We Know
V (V) = P(W) ÷ √3 x I(A) x pf
V(V) = 10000÷ √3 x 10 x 0.92
V (V) = 627.55
Voltage = 627.55 V
See Also:
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| Power Factor Value conversion table | ||
|---|---|---|
| SL No | Device | Typical PF |
| 01 | Synchronous Motor | 0.9 |
| 02 | Induction Motor full load | 0.85 |
| 03 | Induction Motor no Load | 0.35 |
| 04 | Fluorescent Lamp | 0.95 |
| 05 | Resistive Oven | 1 |
| 06 | Resistive Load | 1 |
| 07 | Incandescent Lamp | 1 |
Do not use normal power factor values for exact calculations
DC circuit watts,current to volts Table:
Single phase watts,current to volts Table:
Three phase line to line watts,current to volts Table:
Three phase line to neutral watts,current to volts Table:
Frequently Asked Questions:
What do you convert DC circuit watts to voltage for ?
One (1) watts and one (1) amps is equal to one (1) voltage for DC circuit
What do you convert single phase watts to voltage for ?
One (1) watts,one (1) amps and one (1) pf is equal to one (1) voltage for single phase
What do you convert three phase watts to line to neutral voltage for ?
One (1) watts,one (1) amps and one (1) pf is equal to 0.33 (v) line to neutral voltage for three phase
What do you convert three phase watts to line to line voltage for ?
One (1) watts,one (1) amps and one (1) pf is equal to 0.577 (v) line to line voltage for three phase
What is DC Circuit 440 watts,5 amps in voltage ?
88 (v) voltage
What is AC Circuit single phase 4000 watts,6amps,and 0.9 pf in voltage?
740.74 voltage
What is AC Circuit three phase 2300 watts,7 amps,and 0.85 pf in line to neutral voltage ?
128.852 voltage
What is AC Circuit three phase line to line 4000 watts,8 amps,and 0.85 pf in line to line voltage ?
339.618 voltage
What is DC circuit the formula for watts (w) to voltage (v) ?
Voltage (V) = Watts (w) / Amps (A)
What is single phase the formula for watts (w) to voltage (v) ?
Voltage (V) = Watts (w) / Amps (A) x pf
What is three phase the formula for watts (W) to line to neutral Voltage (V) ?
Voltage (V)= Watts (w)/3 x Amps (A) x pf
What is three phase the formula for watts (W) to line to line Voltage (V) ?
Voltage (V)= Watts (w) / √3 x Amps (A) x pf
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