Amp to Watt conversion: Learn how to calculate watts from volts and amps in both DC and AC circuits. Understand the impact of power factor & reactance on the calculation.
Power (single phase):P=Vp×Ip×cosφPower (3 phases):P= √3Vl×Il×cosφorP= √3Vp×Ip×cosφ Power factorPF= cosφ=R/(R2 + X2)1/2,φ= power factor angle. For the purely resistive circuit,PF= 1 (perfect). The apparent powerSis calculated according to Pythagoras, the active ...
To calculate the wattage of an electrical device, multiply its current (amps) by its voltage (volts). The formula is Watts (W) = Volts (V) × Amps (A). For example, if a device operates at 12V and draws 5A, its power consumption is 60W. For AC circuits, consider the power factor...
However, it’s crucial not to supply any device or system with more than its rated amperage — which also goes for wattage and voltage. Oversupply of electricity can cause permanent damage or fire. High-amperage batteries come in handy when you need to charge or operate devices or appliances ...