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Journal of Zhejiang University SCIENCE A 2006 Vol.7 No.6 P.1051~1055

10.1631/jzus.2006.A1051


A 6-switch single-phase 5-level current-source inverter


Author(s):  BAO Jian-yu, LI Yu-ling, ZHANG Zhong-chao

Affiliation(s):  School of Electrical Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   jianyu_bao@126.com, liyl@cee.zju.edu.cn, zhangzc@public1.zju.edu.cn

Key Words:  Single-phase, Current-source inverter (CSI), Multilevel, Topology


BAO Jian-yu, LI Yu-ling, ZHANG Zhong-chao. A 6-switch single-phase 5-level current-source inverter[J]. Journal of Zhejiang University Science A, 2006, 7(6): 1051~1055.

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author="BAO Jian-yu, LI Yu-ling, ZHANG Zhong-chao",
journal="Journal of Zhejiang University Science A",
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pages="1051~1055",
year="2006",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2006.A1051"
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%A LI Yu-ling
%A ZHANG Zhong-chao
%J Journal of Zhejiang University SCIENCE A
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%DOI 10.1631/jzus.2006.A1051

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T1 - A 6-switch single-phase 5-level current-source inverter
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A1 - LI Yu-ling
A1 - ZHANG Zhong-chao
J0 - Journal of Zhejiang University Science A
VL - 7
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SP - 1051
EP - 1055
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2006.A1051


Abstract: 
The new 6-switch single-phase 5-level current-source inverter proposed in this paper was developed by properly simplifying the traditional 8-switch single-phase 5-level current-source inverter, and its operational principle was analyzed. Just like the problem of voltage-unbalance between different levels existing in voltage-source multilevel inverters, a similar problem of current-unbalance between different levels whether for the 8-switch single-phase 5-level current-source inverter, or for the new 6-switch 5-level current-source inverter also exists. A simple current-balance control method via DC current feedback is presented here to implement the current-balance control between different levels. And to reduce the output current harmonics, PWM control technique was used. Simulation and experimental results showed that this new 6-switch topology operates correctly and that the balance-inductor can almost equally distribute the total DC current.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

[1] Antunes, F.L.M., Braga, H.A.C., Barbi, I., 1999. Application of a generalized current multilevel cell to current-source inverters. IEEE Trans. on Industrial Electronics, 46(1):31-38.

[2] Fang, Z.P., 2001. A generalized multilevel inverter topology with self-voltage balancing. IEEE Trans. on Industrial Electronics, 37(2):611-618.

[3] Luongo, C.A., 1996. Superconducting storage systems: an overview. IEEE Trans. on Magnetics, 32(4):2214-2223.

[4] McGrath, B.P., Holmes, D.G., 2002. Multicarrier PWM strategies for multilevel inverters. IEEE Trans. on Industrial Electronics, 49(4):858-867.

[5] Xiong, Y., Chen, D.J., Deng, S.Q., Zhang, Z.C., 2004. A New Single-Phase Multilevel Current-Source Inverter. IEEE APEC2004, p.1682-1685.

[6] Xiong, Y., Li, Y.L., Yang, X., Wei, K., Zhang, Z.C., 2005. A New Three-Phase Five-Level Current-Source Inverter. IEEE APEC2005, p.424-427.

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