AC power | Wikipedia audio article
Channel: wikipedia tts
Date: 02/10/2019

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/AC_power


00:00:39 1 Active, reactive, and apparent power
00:05:37 2 Calculations and equations
00:05:44 3 Power factor
00:10:00 4 Reactive power
00:11:55 4.1 Capacitive vs. inductive loads
00:12:46 5 Reactive power control
00:14:55 6 Unbalanced polyphase systems
00:16:46 7 Real number formulas
00:20:02 8 Multiple frequency systems
00:26:24 9 See also
00:26:53 10 References
00:31:39 11 External links
00:35:35 See also



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SUMMARY
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Power in an electric circuit is the rate of flow of energy past a given point of the circuit. In alternating current circuits, energy storage elements such as inductors and capacitors may result in periodic reversals of the direction of energy flow.
The portion of power that, averaged over a complete cycle of the AC waveform, results in net transfer of energy in one direction is known as active power (more commonly called real power to avoid ambiguity especially in discussions of loads with non-sinusoidal currents). The portion of power due to stored energy, which returns to the source in each cycle, is known as reactive power.