The following table shows the different electrical power formulas in both AC and DC circuits. Quantity DC AC (1-Phase) AC (3-Phase) Power (W) P = V x I P = I2 x R P = V2 / R P = V x I x Cos Ф P = I2 x R x Cos Ф P = V2 / R (Cos Ф) P = √3 x VL x IL x ...
For EN/PN above version 04.07, this updated software should be used to download the data. Click this link for software download page, http://www.elmeasure.com/resources/software