AC power

electric current which periodically reverses direction

common electrical power generation, transmission and distribution method for alternating currents

ratio of active power to apparent power in an AC electrical system

thumb|An example of series RLC circuit and respective phasor diagram for a specific . The arrows in the upper diagram are phasors, drawn in a phasor diagram ([[complex plane without axis shown), which must not be confused with the arrows in the lower diagram, which are the reference polarity for the voltages and the reference direction for the current.]]

distribution of AC electric power in a system where the voltages of the supply vary in unison

means of distributing alternating-current electrical power

electric power distribution system

electrical machine

type of single-phase electric power distribution

type of electrical circuit

process of matching the speed and frequency of a generator or other source to a running alternating current power network

Alimentació de CA