Formula to Calculate Amps from kVA [kVA to Ampere]

Electrical transformers and heavy machines are often rated in kVA (kilovolt-ampere). Today you'll learn the formula to calculate amps from kVA.

Single Stage Circuits 

Single stage amps are characterized as different of 1000 times kVA partitioned by voltage.

Scientifically

Amps (1 φ) = [kVA * 1000]/E

Illustration: Locate the current drawn by a solitary stage 5 kVA circuit at an evaluated voltage of 400 volts.

Arrangement: I = [5 * 1000]/400 = 12.5 A

Two Stage Circuits 

Three stage amps are characterized as 1000 times kVA isolated by 2 times framework voltage.

Scientifically

Amps (2 φ) = [kVA * 1000]/[E * 2]

Illustration: Locate the current drawn by a two-stage 3 kVA circuit at an evaluated voltage of 230 V.

Arrangement: I = [3 * 1000]/[230 * 2] = 6.52 A

Three Stage Circuits 

Three stage amps are characterized as 1000 times kVA separated by 1.73 times framework voltage.

Numerically

Amps (3 φ) = [kVA * 1000]/[E * 1.73]

Case: Locate the current drawn by a three stage 8 kVA circuit at an evaluated voltage of 480 volts.

Arrangement: I = [8 * 1000]/[480 * 1.73] = 9.63 A