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Thursday, 16 June 2011

TORQUE CONTROL OF AN INDUCTION MACHINE FED BY A MATRIX CONVERTER WITH REACTIVE INPUT POWER CONTROL

ABSTRACT

This paper presents a new control method for a matrix-converter-based induction machine drive. A discrete model of the converter, motor, and input filter is used to predict the behaviour of torque, flux, and input power to the drive. The switching state that optimizes the value of a quality function, used as the evaluation criterion, is selected and applied during the next discrete-time interval. Experimental results confirm that the proposed strategy gives high-quality control of the torque, flux, and power factor with a fast dynamic control response. The key implementation issues are analyzed in depth to give an overview of the realization aspects of the proposed algorithm. The method has a fast torque response, unity PF with low reactive power delivered to the mains, and low torque and flux ripple. The objectives of this paper are to introduce the method and its theoretical background, analyzing, in depth, the most relevant issues related to its implementation and showing its excellent performance based on experimental results.

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  3. can u help me about various good power generation techniques which would be efficient and cost efective to make it as my major project.. thanq

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