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Suppression of Voltage Fluctuation on DC Link Voltage of Z-source(PDF)

《哈尔滨理工大学学报》[ISSN:1007-2683/CN:23-1404/N]

Issue:
2011年04期
Page:
86-89
Research Field:
电气与电子工程
Publishing date:

Info

Title:
Suppression of Voltage Fluctuation on DC Link Voltage of Z-source
Author(s):
GAO Zhi-qiang1; JI Yan-chao1; SUN Yong2; WANG Jian-ze1
1.School of Electrical Engineering and Automation; Harbin Institute of Technology; Harbin 150001; China; 2.Jilin Electric Power Dispatching Center; Changchun 130000; China
Keywords:
Z-source DC link voltage ripple smoothing power circuit voltage distortion
PACS:
TM645.11
DOI:
-
Abstract:
As a kind of novel Topology,Z-source is concerned more and more widely at home and abroad because of its unique advantages.However under light load conditions,the main disadvantages of Z-source is worse voltage ripple on DC link.According to the characteristics of Z-source inverter,this paper analyzes in detail the reasons that cause voltage ripple on DC link.By the Constant Power rule,two smoothing-power circuits with the same magnitude and frequency power,but in opposite directions are employed to improve...

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Last Update: 2011-11-17