3 Phase Motor Kw To Amps Chart

3 phase motor kw to amps chart Amps kw 1 000 3 pf volts for example find the current of a 25kw three phase generator with an efficiency of 80 at 240 volts. For example if you have a refrigerator that consumes 1 2kw you must multiply 1 2 1000 obtaining 1200 1 2 1000 1200.

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The phase current i in amps a is equal to 1000 times the power p in kilowatts kw divided by square root of 3 times the power factor pf times the line to line rms voltage v l l in volts v.

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I kw 1000 e pf 1 73 example.

Three phase kw to amps calculations involve a ration of 1000 times kw to the power factor times voltage and an additional factor 1 73 that represents an equivalent of 3 and is added because the circuit is three phase in nature. For example if i have a 220v fridge with a power factor of 0 8 i multiply 220 0 8x 3 and get 304 84 220 0 8x 3 304 84. Calculation of ac three phase amps to kilowatts line to line voltage p kw 3 x pf x i a x v l l v 1000 which means that the power in kilowatts is calculated by the square root of three multiplied by the power factor times the phase current in amps by the line to line voltage rms.

Three phase kw to amps. The formula to find amps for a three phase ac circuit is a little different than the formula for a single phase circuit. A 3 phase 400 volt circuit has a 50 kw load connected to it.

P kw pf i a v v 1000. I a 1000 p kw 3 pf v l l v calculation with line to neutral voltage. The power p in kilowatts kw is equal to square root of 3 times the power factor pf times the phase current i in amps a times the line to line rms voltage v l l in volts v divided by 1000.

Multiply the corresponding voltage according to the formula by the power factor and by the root of three. P kw 3 pf i a v l l v 1000. Divide step 1 between.

I a 1000 p kw pf v v ac three phase kilowatts to amps calculation calculation with line to line voltage. Multiply the kw by 1000. Ac three phase amps to kilowatts calculation calculation with line to line voltage.

The results are then divided by 1000. How to convert from kw to amperes in just 3 steps.


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