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Title: A carrier-based unbalanced PWM method for four-leg voltage source inverter fed asymmetrical two-phase induction motor
Authors: Y. Kumsuwan
W. Srirattanawichaikul
S. Premrudeepreechacharn
K. Higuchi
H. A. Toliyat
Keywords: Energy
Issue Date: 17-Sep-2010
Abstract: This paper presents a carrier-based unbalanced PWM method for two-phase four-leg voltage source inverter and its realization for asymmetrical two-phase induction motor. A modulation strategy is developed to synthesize unbalanced two-phase output voltage waveforms based on the unipolar modulation technique with open-loop V/f control. The proposed control scheme allows independent magnitude controllability and quadrature phase angle for unbalanced two-phase output voltages. Thus, the modulation algorithm makes the four-leg voltage source inverter inequitable with unbalanced two-phase loads. Simulation and experimental results confirm the feasibility of the control method for the inverter. © 2010 IEEE.
Appears in Collections:CMUL: Journal Articles

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