RLC Resonance frequency calculator: A useful electronics tool for finding the frequency at which a circuit resonates. Solution: I = / = 80.28 Aģ Phase Induction Motor current calculator: A useful calculator to find the FLA and RLA in 3 phase induction motorĮlectricity bill calculator: Used to find the cost of appliances in your bill.Ĥ Band Resistor color code calculator: A useful tool for decoding 4 band resistors.ĥ Band Resistor color coding calculator: Provides the value of 4 band resistor. ![]() Find the current if the power factor is 0.9. 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.Įxample: A 3 phase 400 volt circuit has a 50 kW load connected to it. Also, explore many other unit converters or learn more about energy unit conversions. Free online energy converter - converts between 55 units of energy, including joule J, kilojoule kJ, kilowatt-hour kWh, watt-hour Wh, etc. Solution: I = / = 31.25 A Three phase kW to Amps 1 Rydberg constant 2.1798741E-18 joule J Rydberg constant to joule, joule to Rydberg constant. Here the formula is identical to the previous one with the difference being a 2 is introduced in the denominator.Įxample: A 200 volt, two-phase circuit operating at 0.8 PF is loaded with 10 kW load. Solution: I = / = 196 A Two-phase kW to Amps ![]() The system is operating at 0.85 power factor. Single phase formula is a ration of thousand times kilowatts to the power factor times operating voltages.Įxample: A 120-volt single phase AC circuit has 20 kW load. The single phase and all other alternating current circuits introduce an additional concept of power factor in the denominator. Solution: I = / 100 = 500 A Single phase kW to Amps ![]() The phase current I in amps (A) is equal to 1000, multiplied by the power P in kilowatts (kW), divided by 3, multiplied by the power factor PF, multiplied by the line to neutral RMS voltage V L-N in volts (V).It is a ratio of 1000 times kW to the system voltages.Įxample: A 50 kW, 100-volt dc (Direct current) generator power v belt at a cement production power plant. When the rating in is ampere, enter the perphase line current for 3phase systems. 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 VL-L in volts (V): I (A) 1000 ×. ![]() I (A) = 1000 × P (kW) / (3 × PF × V L-N(V)) Rating: Specify the load rating in kW, kVA, A, or hp. The phase current I in amps (A) is equal to 1000, multiplied by the power P in kilowatts (kW), divided by square root of 3, multiplied by the power factor PF, multiplied by the line to line RMS voltage V L-L in volts (V).Ĭurrent (I) = 1000 x 3kW / (√3 × 0,7 x 110V) = 22,49A Line to neutral voltage Going by the formula, we need voltage to do amp-hours-kilowatt-hours. This is what happens under the hood of a conversion calculator. Basically, to convert kilowatt-hours (kWh) to amps-hours (Ah), multiply kWh by 1000, then divide by battery voltage. I (A) = 1000 × P (kW) / (√3 × PF × V L-L(V)) The conversion formula for kilowatt-hours (kWh) to ampere-hours (Ah) is Ah kWh/volts x 1000. The phase current I in amps (A) is equal to 1000, multiplied by the power P in kilowatts (kW), divided by the power factor PF, multiplied by the RMS voltage V in volts (V).Ĭurrent (I) = 1000 x 3kW / (0,7 x 110V) = 38,96A AC three phase kW to amps calculation formula Line to line voltage Advertisements AC single phase kilowatts kW to amps calculation formula
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