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Vol. 32, No. 8(2), S&M2292

ISSN (print) 0914-4935
ISSN (online) 2435-0869
Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
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Sensors and Materials, Volume 28, Number 6 (2016)
Copyright(C) MYU K.K.
pp. 649-654
S&M1220 Research Paper of Special Issue
https://doi.org/10.18494/SAM.2016.1314
Published: June 22, 2016

3-Phase Current Reconstruction of Permanent Magnet Synchronous Motor Drives Using a Single DC-Link Current Sensor [PDF]

Cheng-Yu Hsieh, Wen-Chun Chi, Ming-Yang Cheng, Wei-Liang Kuo, and Wei-Leng Wu

(Received February 25, 2015; Accepted February 26, 2016)

Keywords: 3-phase current reconstruction, SVPWM, PMSM

In the application of conventional 3-phase current reconstruction methods using a single DC-link current shunt, the self-switch configuration of space vector pulse width modulation (SVPWM) may cause a problem of insufficient measuring time in certain regions. To cope with this problem, in this paper, we propose a switching strategy that exploits the advantages of SVPWM, the measurement vector insertion method (MVIM), and the pulse-width modulation method without using the null switching states method (NSVM). In the proposed switching strategy, the MVIM is employed in the low-modulation-ratio region and the sector boundary region of the middle-modulation-ratio region, while the NSVM is adopted in the sector boundary region of the high-modulation-ratio region. In addition, we used Matlab/Simulink in this study to construct a simulated environment to conduct an in-depth study of the differences among various current construction methods as well as the size of the immeasurable region.

Corresponding author: Ming-Yang Cheng


Cite this article
Cheng-Yu Hsieh, Wen-Chun Chi, Ming-Yang Cheng, Wei-Liang Kuo, and Wei-Leng Wu, 3-Phase Current Reconstruction of Permanent Magnet Synchronous Motor Drives Using a Single DC-Link Current Sensor, Sens. Mater., Vol. 28, No. 6, 2016, p. 649-654.



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