DFIG BASED Wind Energy Conversion System under unbalanced Grid Voltage using Matrix Converter

SEEE DIGIBOOK ON ENGINEERING & TECHNOLOGY, VOL. 01, FEB 2018 PP.(223-229)
Abstract– Wind energy has grown more and at a faster rate than all other renewable energy sources. Doubly Fed Induction Generator (DFIG) is preferred in Wind Energy Conversion System(WECS) because of their low cost, higher energy output, lower converter rating and better utilization of generator. DFIG is able to control both active and reactive power independently. This paper presents a control strategy for DFIG based WECS during unbalanced grid voltage conditions by using Matrix Converter. From the perspective of power grid friendly operation, the control targets of DFIG system are: 1) Active and Reactive power injected into the power grid; 2) balanced and sinusoidal current injected into the power grid. The proposed system is simulated with various wind speed conditions.
Index Terms – Doubly fed induction generator, Matrix Converter, Active and Reactive power control, Unbalanced grid voltage.
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M.Arunkumar1, Dr. Sujatha Balaraman1, G.Samuel Muthuraj2
1 Government College of Technology,
Coimbatore,
2 Dr.SIVANTHI ADITANOR College of Engg,
Tiruchendur
makgct7@gmail.com

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