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Active and Reactive Power Control of DFIG Based Grid Connected Wind Energy System

Journal: International Journal of Trend in Scientific Research and Development (Vol.3, No. 5)

Publication Date:

Authors : ;

Page : 961-965

Keywords : Electrical Engineering; Doubly-Fed Induction Generator; back-to-back converter; Active and Reactive Power Control; Vector control;

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Abstract

Wind power is the most reliable and developed renewable energy source. This paper gives a study on power flow control of a grid connected Doubly Fed Induction Generator DFIG wind turbine. Doubly Fed Induction Generator DFIG has widely used for large wind farms. A back to back converter is incorporated between the stator and the rotor windings of a DFIG, in order to obtain variable speed operation. The controller design methodology is presented and active and reactive power is verified. The main objective of the paper is to control the flow of the active and reactive powers produced by the DFIG based wind energy conversion system. In order to decouple of active and reactive powers generated, the vector control method is applied. A vector control strategy with stator flux orientation is applied to both the grid side converter and the rotor side converter for the independent control of active and reactive powers produced by the DFIG based wind energy conversion system. Simulation results on a 2MW DFIG system are provided to demonstrate the proposed control strategy and the variations of active and reactive power, rotor speed, and converter dc link voltage. Hnin Yu Wai | Theingi Htun | Myo Win Kyaw "Active and Reactive Power Control of DFIG Based Grid Connected Wind Energy System" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-5 , August 2019, URL: https://www.ijtsrd.com/papers/ijtsrd26509.pdfPaper URL: https://www.ijtsrd.com/engineering/electrical-engineering/26509/active-and-reactive-power-control-of-dfig-based-grid-connected-wind-energy-system/hnin-yu-wai

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Last modified: 2019-09-07 17:59:49