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mnökjmojmö. -ÖpjmÖpjöolm,. efnaiofnnncma#sd dfa#pfm#df' FGORJGPOGJÄDLFMVorjgotrjgmästgjnsrktngm,kdfmgkergnlllllllllllllllllllllllllllllllrierdkkkkkkkkkkkkkkkkkktgldrkgjniergnmitrjgz The power factor of an AC electric power system is defined as the ratio of the real power flowing to the load to the apparent power,[1][2] and is a number between 0 and 1 (frequently expressed as a percentage, e. g. 0. 5 pf = 50% pf). Real power is the capacity of the circuit for performing work in a particular time. Apparent power is the product of the current and voltage of the circuit. Due to energy stored in the load and returned to the source, or due to a non-linear load that distorts the wave shape of the current drawn from the source, the apparent power can be greater than the real power. In an electric power system, a load with low power factor draws more current than a load with a high power factor for the same amount of useful power transferred.