Control of Cascaded H-Bridge Multilevel Inverter with Individual MPPT for Grid-Connected Photovoltaic Generators

被引：0
|
作者：
Xiao, Bailu [1 ]
Shen, Ke [2 ]
Mei, Jun [3 ]
Filho, Faete [1 ]
Tolbert, Leon M. [1 ]
机构：
[1] Univ Tennessee, Dept Elect Engn & Comp Sci, Knoxville, TN 37996 USA
[2] Harbin Inst Technol, Dept Elect Engn, Harbin 150001, Peoples R China
[3] Southeast Univ, Dept Elect Engn, Nanjing 210096, Peoples R China
来源：
2012 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2012年
基金：
美国国家科学基金会;
关键词：
POWER; TOPOLOGIES;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A single-phase cascaded H-bridge multilevel inverter for a grid-connected photovoltaic (PV) system with nonactive power compensation is presented in this paper. To maximize the solar energy extraction of each PV string, an individual maximum power point tracking (MPPT) control scheme is applied, which allows the independent control of each dc-link voltage. A generalized nonactive power theory is applied to generate the nonactive current reference. Within the inverter's capability, the local consumption of nonactive power is provided to realize power factor correction. A single-phase modular cascaded multilevel inverter prototype has been built. Each H-bridge is connected to a 195 W solar panel. Simulation and experimental results are presented to validate the proposed ideas.
引用
收藏
页码：3715 / 3721
页数：7
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