Formula of calculating three-phase (kVA) to Amps Line to line voltage I (A) = 1000 x S (kVA) / (√3 x V L-L (V)), which means that the phase current in amps is calculated by multiplying 1000 by the apparent power in kilovolt-amps dividing the result by the square root of three multiplied by the line to line voltage RMS in volts Line to Neutral Voltage

AC three phase kilowatts to amps calculation Calculation with line to line voltage. 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): I (A) = 1000 × P (kW) / (√ 3 × PF × V L-L (V)) Calculation ... The formula to convert kVA to amps in a three-phase circuit looks like this: Current (A) = (1,000 × Power (kVA) ) ÷ (√3 × Voltage (V) ) So, amps are equal to 1,000 times the power in kVA divided by the square root of 3 (1.732) times the voltage.