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Open AccessFeature PaperArticle

A Study on Input Power Factor Compensation Capability of Matrix Converters

1
Department of Electrical Engineering, Chonnam National University, Gwangju 61186, Korea
2
Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam
3
School of Electrical Engineering and Computer Science, Queensland University of Technology, Brisbane 4000, Australia
4
Faculty of Electrical and Electronics Engineering, Ho Chi Minh City University of Technology and Education, Ho Chi Minh City 700000, Vietnam
*
Authors to whom correspondence should be addressed.
Electronics 2020, 9(1), 82; https://doi.org/10.3390/electronics9010082
Received: 18 November 2019 / Revised: 11 December 2019 / Accepted: 13 December 2019 / Published: 1 January 2020
(This article belongs to the Special Issue Emerging Technologies in Power Systems)
In practice, the input filter is an important component in matrix converter (MC) systems for removing high harmonic components from input currents. Due to the input filter, the input power factor (IPF) at the main power supply does not always achieve unity. To investigate the behavior of the IPF, this paper analyzes the IPF compensation capacity of MCs with an LC input filter based on space vector theory and the conservation of energy law. The study shows that the range of voltage transfer ratio (VTR) to achieve unity IPF depends strongly on the quality factor, which is determined by the system parameters. If the quality factor is greater than 0.375, the MC can never achieve unity IPF for the whole range of VTR. If the quality factor is lower than 0.375, the MC can only achieve unity IPF for a certain range of VTR, except at a very low or very high VTR. Experimental results are provided to confirm the correctness of the study. View Full-Text
Keywords: Matrix converter; input power factor; input filter; space vector theory; conservation of energy law Matrix converter; input power factor; input filter; space vector theory; conservation of energy law
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MDPI and ACS Style

Nguyen, H.-N.; Nguyen, M.-K.; Duong, T.-D.; Tran, T.-T.; Lim, Y.-C.; Choi, J.-H. A Study on Input Power Factor Compensation Capability of Matrix Converters. Electronics 2020, 9, 82.

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