Conversion of electric energy from one form to another
For generic power conversion (e.g., heat to electric energy), see Energy transformation.
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In all fields of electrical engineering, power conversion is the process of converting electric energy from one form to another. A power converter is an electrical or electro-mechanical device for converting electrical energy. A power converter can convert alternating current (AC) into direct current (DC) and vice versa; change the voltage or frequency of the current or do some combination of these.
The power converter can be as simple as a transformer or it can be a far more complex system, such as a resonant converter. The term can also refer to a class of electrical machinery that is used to convert one frequency of alternating current into another. Power conversion systems often incorporate redundancy and voltage regulation.
Power converters are classified based on the type of power conversion they perform. One way of classifying power conversion systems is based on whether the input and output are alternating current or direct current. Ultimately, the task of all power converters is to "process and control the flow of electrical energy by supplying voltages and currents in a form that is optimally suited for user loads".[1]
^Petrocelli, R. (2015). "One-Quadrant Switched-Mode Power Converters". In Bailey, R. (ed.). Proceedings of the CAS–CERN Accelerator School: Power Converters. Geneva: CERN. p. 15. arXiv:1607.02868. doi:10.5170/CERN-2015-003. ISBN 9789290834151. S2CID 125663953.
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