Three-Phase Three-Switch Buck-Type Rectifier Based on Current Source Converter for 5MW PMSG Wind Turbine Systems

Beomseok Chae; Yongsug Suh; Tahyun Kang

Three-Phase Three-Switch Buck-Type Rectifier Based on Current Source Converter for 5MW PMSG Wind Turbine Systems

Beomseok Chae

Yongsug Suh

Tahyun Kang

Vol. 18, No. 5, pp. 1501-1512, Sep. 2018

10.6113/JPE.2018.18.5.1501

Carrier based PWM

Current source rectifier

Three-phase three-switch buck-type rectifier

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Abstract

This paper proposes a three-phase three-switch buck-type converter as the MSC of a wind turbine system. Owing to a novel switching modulation scheme that can eliminate the unwanted diode rectifier mode switching state, the proposed system exhibits a satisfying ac voltage and current waveform quality and torque ripple up to the level of a typical current source rectifier even under a wide power factor operating range. The proposed system has been verified through simulations and HILS tests on a PMSG wind turbine model of 5MW/4160V. The proposed converter has been shown to provide a stator current THD of 3.9% and a torque ripple of 1% under the rated power condition. In addition to the inherent advantage of the reduced switch count of three-phase three-switch buck-type converters, the proposed switching modulation technique can make this converter a viable solution for the MSC placed inside of a nacelle, which is under severe volume, weight and mechanical vibration design limits.

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Cite this article

[IEEE Style]

B. Chae, Y. Suh, T. Kang, "Three-Phase Three-Switch Buck-Type Rectifier Based on Current Source Converter for 5MW PMSG Wind Turbine Systems," Journal of Power Electronics, vol. 18, no. 5, pp. 1501-1512, 2018. DOI: 10.6113/JPE.2018.18.5.1501.

[ACM Style]

Beomseok Chae, Yongsug Suh, and Tahyun Kang. 2018. Three-Phase Three-Switch Buck-Type Rectifier Based on Current Source Converter for 5MW PMSG Wind Turbine Systems. Journal of Power Electronics, 18, 5, (2018), 1501-1512. DOI: 10.6113/JPE.2018.18.5.1501.