Unity Power Factor MPPT for PMSG Wind Turbines Equipped with Matrix Converter
Subject Areas : electrical and computer engineeringA. Nateghi 1 , H. Kazemi Karegar 2
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Keywords: Hill climbing method matrix converter MPPT PMSG wind turbine speed control,
Abstract :
In this paper, a new control method is proposed for extracting the maximum power of wind turbines equipped with Permanent Magnet Synchronous Generator (PMSG), which is connected to the grid via a matrix converter. The method calculates the optimal rotation speed of wind turbine and finds the optimal operation point by hill climbing method. The proposed method is simple and it does not need to use some complex methods such as field oriented and rotor position estimation. Wind turbine speed, electrical torque and consequently maximum output power of wind turbine are obtained by the perfect control of output phases and amplitudes of matrix converter. Moreover, the maximum power is injected to the grid under unity power factor. The proposed method is simulated in MATLAB programming software and the obtained results approve the validity of the method.
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