kva to amps calculator

Kilovolt-Amp (kVA)

The unit KVA (kilovolt-amperes) is the power associated with the electric current.

1 kilo-volt-ampere is equal to 1000 volt-ampere. KVA is equal to the square root of 3 (1.732) times amps times volts, divided by 1,000.

Amps (A)

Amps is the flow of electricity as an electrical current.

Specifically, it measures the number of electrons that flow past a certain point per second, so basically one Ampere is defined as the current that flows with electric charge of one Coulomb per second.

The mathematical formulas to convert kVA to Amps are as follow:

Single phase kVA to Amps calculation formula

The current I in amperes is equal to 1000 times the apparent power S in kilovolt-amps, divided by the voltage V in volts:

I(A) = 1000 × S(kVA) / V(V)

3 phase kVA to amps calculation formula

Calculation with line to line voltage

The phase current I in amp (with balanced loads) is equal to 1000 multiplied by the apparent power P in kilovolt-amps, divided by the square root of 3 times the line to line RMS voltage VL-L in volts:

I (A) = 1000 × P(kVA) / (√3 × VL-L(V) )

Calculation with line to neutral voltage

The phase current I in amps amp (with balanced loads) is equal to 1000 times the apparent power S in kilovolt-amps, divided by 3 times the line to neutral RMS voltage VL-N in volts:

I (A) = 1000 × S(kVA) / (3 × VL-N(V) )

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You can also use kva to amps calculator for quick conversion.