Power management of a wind energy conversion system equipped by DFIG

Subject Areas : Renewable energy

Iman Zangiabadi ¹ (Ms.C.- Head of Enginrring and Supervision Sarcheshmeh Industrial Power Co., Kerman, Iran)
Afshin Etesami ² (Instructor-Department of Electrical Engineering, Islamic Azad University, Najafabad Branch)

Received: 2014-09-17 Accepted : 2015-01-23 Published : 2016-07-01

Keywords: Harmonic, Power Quality, Doubly Fed Induction Generator, Rotor side convertor, Grid side convertor,

Abstract :

Today wind is one of the attractive points of energy area which has got the noticeable amount of investment and studies in this field. Considering the importance of the wind energy and its potentials as one of the renewable energy sources, in this paper managing the production of active and reactive powers of a wind energy conversion system equipped with DFIG has been studied. In this regard, a structure based on vector control is offered to achieve an independent control of active and reactive powers. The strategy of managing the production of active and reactive power is applied to network by rotor side converter of a DFIG. The production of active power according to the maximum power point taking (MPPT) strategy to get a maximum power of the wind energy has been done and also improvement of power quality based on strategies of power factor correction and harmonics reduction have been arranged for a power network. In order to evaluate the performance of the proposed method, a DFIG connected with a power network in different conditions of the reactive load has been simulated by MATLAB software.Obviously, the results state the proper operation of the power control of wind energy converting system , improvement of the network power factor, and Reduction of harmonic current of network based on the proposed method.

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