Power Calculations


Three Phase Power


V

Convert Current to Power
A
kVA
kW

Convert Power in kVA to Current
kVA
A

Convert Power in kW to Current
kW
A

The equations:


$$P_{kVA} = \sqrt{3}VI$$
$$P_{kW} = {\sqrt{3}VI \over cos\phi}$$
$$I = {P_{kVA} \over {\sqrt{3} V }}$$
$$I = {P_{kW} \over {\sqrt{3} V cos\phi}}$$

References and further information:

Electrical Engineering books