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. The calculator makes it easy to convert power in kilowatts to current in amperes, which is essential for properly sizing and selecting electrical components. 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. Solution: I = / = 31.25 A Three phase kW to Amps 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 appliance power ratings suggested are indicative only.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. Here’s our guide to the current ratings of commonly-used domestic appliances. Alternating current (AC) is used to supply things like houses and buildings and mains connected appliances. However, in alternating current (AC) the electric current changes direction at 50 times per second (50 Hz or hertz) in the UK supply.Īn example of direct current would be a battery powered torch. For direct current (DC) the electric current flows only in one direction. The labels ‘AC’ and ‘DC’ are used to describe the types of current flow in a circuit. In terms of the hosepipe example, this would refer to the amount of water being released. The higher the wattage is, the more power and output from the appliance. Our Power Consumption Calculator is easy to use & helps you know exact total load reqs for your property Three steps & youre done. WattsĪmps multiplied by Volts equals Watts, which is the measurement used to determine the amount of energy. In keeping with the earlier example, you could think of volts as the water pressure in the hosepipe, which makes the water flow. Volts are the measurement used to determine how much force is needed to cause the electric current to flow. The more water flowing through the hosepipe, the stronger the current is. You should think of electric current as the flow of water through a hosepipe. Watts / Volts = AmpsĪmps measure the flow of electricity as an electric current. Watts to Amps FormulaĪlternatively to using the calculator, here are some basic equations which allow you to calculate the missing information on your own. Find out how to convert Amps to Watts here or how to calculate Ohm's Law here.
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