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Reactive power compensation technology
Article By:
Dixon, Juan W. Department of Electrical Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile.
Morán, Luis A. Department of Electrical Engineering, Universidad de Concepcíon, Concepcíon, Chile.
Last reviewed:2008
DOI:https://doi.org/10.1036/1097-8542.YB084380
Reactive power compensation is defined as the management of reactive power to improve the performance of alternating-current (ac) power systems. In general, the problem of reactive power compensation is related to load and voltage support. In load support the objectives are to increase the value of the system power factor, to balance the real power drawn from the ac supply, to enhance voltage regulation, and to eliminate current harmonic components produced by large and fluctuating nonlinear industrial loads. Voltage support is generally required to reduce voltage fluctuation at a given terminal of a transmission line. Reactive power compensation in transmission systems also improves the stability of the ac system by increasing the maximum active power that can be transmitted. See also: Voltage stability
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