Operational Analysis and Performance Comparison of Current-Type Z-Source Inverters

被引：7
|
作者：
Li, D. [1 ]
Gao, F. [1 ]
Loh, P. C. [1 ]
Blaabjerg, F. [2 ]
Zhang, L. [1 ]
机构：
[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore, Singapore
[2] Aalborg Univ, Inst Energy Technol, DK-9100 Aalborg, Denmark
来源：
2008 IEEE INTERNATIONAL CONFERENCE ON SUSTAINABLE ENERGY TECHNOLOGIES (ICSET), VOLS 1 AND 2 | 2008年
基金：
新加坡国家研究基金会;
关键词：
D O I：
10.1109/ICSET.2008.4747117
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper presents the operational analysis and performance comparison of various current-type Z-source inverters. With an X-shaped LC impedance network added, all current-type Z-source inverters can perform current buck-boost operation with expected output performance except of the case where modulation index is tuned to be lower than the physical boundary between linear modulation and distorted operation regions. Both mathematical derivation and hardware solution for smooth modulation are hereby presented. In addition to the common limitation of all current-type Z-source inverters, their performance mainly with regard to the losses of impedance network is analyzed by considering the different value of inductive conduction current. All theoretical findings are verified by PLECS simulation and experimentally using a constructed laboratory prototype.
引用
收藏
页码：798 / +
页数：3
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