Volume 2 Number 2 (Apr. 2010)
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IJCEE 2010 Vol.2 (2): 243-250 ISSN: 1793-8163
DOI: 10.7763/IJCEE.2010.V2.144

An Effective Space-Vector PWM Method for Multi-level Inverter Based on Two-level Inverter

P. Satish Kumar, J. Amarnath, and S. V. L. Narasimham

Abstract—In this paper, an effective space vector pulse width modulation (SVPWM) method for multi-level inverter fed induction motor is presented. This method is based on SVPWM method for two-level inverter. As the number of level increasing, the SVPWM method becomes more and more complex. An intrinsic relationship between multi-level and two-level is developed and by using a linear transformation, the switching time of vectors for two-level inverter can be transformed for multi-level inverter. A novel classification of voltage vectors is proposed to determine switching sequence. This method can be extended for N-level inverter also. The simulation is carried out up to the nine-level inverter fed induction motor and the results are provided. The results have been good agreement with the published work.

Index Terms—Multi-level inverter, SVPWM, modulation index, induction motor.

P.Satish Kumar is with the Department of Electrical Engineering, University College of Engineering, Osmania University, Hyderabad, Andhra Pradesh, INDIA-500007, (e-mail: satish_8020@yahoo.co.in).
J.Amarnath is with the Department of Electrical and Electronics Engineering, J.N.T.University Hyderabad, Andhra Pradesh, INDIA(e-mail: amarnathjinka@yahoo.com).
S.V.L.Narasimham is with the School of Information Technology, J.N.T.University, Hyderabad, Andhra Pradesh, INDIA. (e-mail: svlnarasimham@jntuh.ac.in).

Cite: P.Satish Kumar, J.Amarnath and S.V.L.Narasimham, "An Effective Space-Vector PWM Method for Multi-level Inverter Based on Two-level Inverter," International Journal of Computer and Electrical Engineering vol. 2, no. 2, pp. 243-250, 2010.

General Information

ISSN: 1793-8163
Frequency: Quarterly
Editor-in-Chief: Prof. Yucong Duan
Abstracting/ Indexing: EI (INSPEC, IET), Ulrich's Periodicals Directory, Google Scholar, EBSCO, ProQuest, and Electronic Journals Library
E-mail: ijcee@iap.org

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