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Message: <blockquote data-quote="ctooi" data-source="post: 20560587" data-attributes="member: 113967">Single phase kVA to amps calculation formulaThe phase current I in amps is equal to 1000 times the apparent power S in kilovolt-amps, divided by the RMS voltage V in volts:I(A) = 1000 × S(kVA) / V(V)So amps are equal to 1000 times kilovolt-amps divided by volts.amps = 1000 × kVA / voltsorA = 1000 · kVA / VExampleQuestion: What is the phase current in amps when the apparent power is 3 kVA and the RMS voltage supply is 110 volts?Solution:I = 1000 × 3kVA / 110V = 27.27A3 phase kVA to amps calculation formulaCalculation with line to line voltageThe phase current I in amps is equal to 1000 times the apparent power S in kilovolt-amps, divided by the square root of 3 times the line to line RMS voltage V in volts:I(A) = 1000 × S(kVA) / (√3 × VL-L(V) )So amps are equal to 1000 times kilovolt-amps divided by the square root of 3 times volts.amps = 1000 × kVA / (√3 × volts)orA = 1000 · kVA / (√3 × V)ExampleQuestion: What is the phase current in amps when the apparent power is 3 kVA and the line to line RMS voltage supply is 190 volts?Solution:I = 1000 × 3kVA / (√3 × 190V) = 9.116A Calculation with line to neutral voltageThe phase current I in amps is equal to 1000 times the apparent power S in kilovolt-amps, divided by 3 times the line to line RMS voltage V in volts:I(A) = 1000 × S(kVA) / (3 × VL-N(V) )So amps are equal to 1000 times kilovolt-amps divided by 3 times volts.amps = 1000 × kVA / (3 × volts)orA = 1000 · kVA / (3 × V)ExampleQuestion: What is the phase current in amps when the apparent power is 3 kVA and the line to neutral RMS voltage supply is 120 volts?Solution:I = 1000 × 3kVA / (3 × 120V) = 8.333A</blockquote>

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