Modeling Of Z-Source Network For Neutral Point Clamped Multilevel Inverter

被引:0
|
作者
Kuppuswamy, C. L. [1 ]
Raghavendiran, T. A. [2 ]
机构
[1] Sathyabama Univ, Madras, Tamil Nadu, India
[2] Anand Inst Higher Technol, Madras, Tamil Nadu, India
关键词
Modeling of Z-Source; NPC inverter; Active mode; Shoot through mode; Non-shoot through mode;
D O I
暂无
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
Renewable energy sources such as wind, solar and fuel cell have a wide voltage change range due to the nature of the sources. Fuel cell stack voltage drops greatly with current and wind generator voltage varies with wind speed and control. Photovoltaic cell's voltage varies with temperature and irradiation. The traditional voltage source inverter that has been the power conversion technology for these energy sources cannot cope with this wide voltage change nature and often requires additional voltage boost by additional DC-DC converter. The Z-source inverters can solve this problem. Multilevel Inverter (MU) has been recognized as an attractive topology for high voltage DC-AC conversion. This paper presents design of Impedance (Z) Source network for Neutral Point Clamped (NPC) three level inverter. This inverter uses single impedance source network and less clamping diodes. The operating modes of Z-Source Inverter (ZSI) are Shoot through mode, Active and Open mode. The detailed design aspects in these modes are presented.
引用
收藏
页码:241 / 245
页数:5
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