[1] Wang Wei, Zhang Jinghao, Cheng Ming,. A generic PWM strategy for multi-leg VSI-fed machine drives [J]. Journal of Southeast University (English Edition), 2017, 33 (2): 189-195. [doi:10.3969/j.issn.1003-7985.2017.02.011]

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A generic PWM strategy for multi-leg VSI-fed machine drives()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

33

Issue:

2017 2

Page:

189-195

Research Field:

Computer Science and Engineering

Publishing date:

2017-06-30

Info

Title:

A generic PWM strategy for multi-leg VSI-fed machine drives

Author(s):

Wang Wei;  Zhang Jinghao;  Cheng Ming

School of Electrical Engineering, Southeast University, Nanjing 210096, China

Keywords:

pulse width modulation(PWM);  multi-leg voltage-source-inverter(VSI);  carrier-based PWM;  machine drives

PACS:

TP391

DOI:

10.3969/j.issn.1003-7985.2017.02.011

Abstract:

A generic pulse width modulation(PWM)strategy is proposed for the multi-leg voltage source inverter(VSI). First, the multi-leg VSI is modeled, which is independent from the load structure. Secondly, the proposed PWM strategy is deduced by inverting the mathematical model of the multi-leg VSI. According to the relationship between the leg number of VSIs and the phase number of electrical machines, the multi-leg VSI-fed machine drives are classified into two types: matched and unmatched applications. The leg numbers of VSIs and the phase number of electrical machines are equal in matched applications while they are different in unmatched applications. The existing PWM strategies cannot be directly used for both matched and unmatched applications. However, the proposed PWM strategy can be general for both matched and unmatched applications, and no modifications are required. The effectiveness of the proposed PWM strategy is verified by experimental results.

References:

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Memo

Memo:

Biography: Wang Wei(1985—), male, doctor, lecturer, wangwei1986@seu.edu.cn.
Foundation items: The National Natural Science Foundation of China(No.51607038), the Natural Science Foundation of Jiangsu Province(No.BK20160673), the National Basic Research Program of China(973 Program)(No.2013CB035603), China Postdoctoral Science Foundation(No.2015M581697, 2016T90401).
Citation: Wang Wei, Zhang Jinghao, Cheng Ming.A generic PWM strategy for multi-leg VSI-fed machine drives[J].Journal of Southeast University(English Edition), 2017, 33(2):189-195.DOI:10.3969/j.issn.1003-7985.2017.02.011.

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