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A 6-switch single-phase 5-level current-source inverter
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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.
@article{title="A 6-switch single-phase 5-level current-source inverter",
author="BAO Jian-yu, LI Yu-ling, ZHANG Zhong-chao",
journal="Journal of Zhejiang University Science A",
volume="7",
number="6",
pages="1051-1055",
year="2006",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2006.A1051"
}
%0 Journal Article
%T A 6-switch single-phase 5-level current-source inverter
%A BAO Jian-yu
%A LI Yu-ling
%A ZHANG Zhong-chao
%J Journal of Zhejiang University SCIENCE A
%V 7
%N 6
%P 1051-1055
%@ 1673-565X
%D 2006
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2006.A1051
TY - JOUR
T1 - A 6-switch single-phase 5-level current-source inverter
A1 - BAO Jian-yu
A1 - LI Yu-ling
A1 - ZHANG Zhong-chao
J0 - Journal of Zhejiang University Science A
VL - 7
IS - 6
SP - 1051
EP - 1055
%@ 1673-565X
Y1 - 2006
PB - Zhejiang University Press & Springer
ER -
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.
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