DFIG wind power system with a DDPWM controlled matrix converter

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Abstract

This paper proposes a new doubly-fed induction generator (DFIG) system using a matrix converter controlled by direct duty ratio pulse-width modulation (DDPWM) scheme. DDPWM is a recently proposed carrier based modulation strategy for matrix converters which employs a triangular carrier and voltage references in a voltage source inverter. By using DDPWM, the matrix converter can directly and effectively generate rotor voltages following the voltage references within the closed control loop. The operation of the proposed DFIG system was verified through computer simulation and experimental works with a hardware simulator of a wind power turbine, which was built using a motor-generator set with vector drive. The simulation and experimental results confirm that a matrix converter with a DDPWM modulation scheme can be effectively applied for a DFIG wind power system.

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Lee, J. H., Jeong, J. K., Han, B. M., Choi, N. S., & Cha, H. J. (2010). DFIG wind power system with a DDPWM controlled matrix converter. Journal of Electrical Engineering and Technology, 5(2), 299–306. https://doi.org/10.5370/JEET.2010.5.2.299

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