An Effective Control Method for Quasi-Z-Source Cascade Multilevel Three-Phase Grid-Tie Photovoltaic Power System

被引：0
|
作者：
Liu, Yushan [1 ,2 ]
Abu-Rub, Haitham [2 ]
机构：
[1] Beijing Jiaotong Univ, Sch Elect Engn, Beijing 100044, Peoples R China
[2] Texas A&M Univ Qatar, Dept Elect & Comp Engn, Doha 23874, Qatar
来源：
2014 TWENTY-NINTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC) | 2014年
关键词：
Quasi-Z-source inverter; cascade multilevel inverter; photovoltaic power system; three-phase grid-tie synchronization; INVERTERS;
D O I：
暂无
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：
An effective control method for a three-phase quasi-Z-source cascade multilevel inverter (qZS-CMI) based grid-tie photovoltaic (PV) power system is proposed. The control scheme achieves distributed maximum power point tracking (MPPT) and independent dc-link voltage balance for all quasi-Z-source H-bridge inverter (qZS-HBI) based PV modules, and balanced three-phase grid-injected power for the qZS-CMI based PV system. A system-level modeling, which can be used to design the controllers, is also disclosed. Simulation and experiment are carried out on a 7-level qZS-CMI based PV system to validate the proposed scheme.
引用
收藏
页码：1733 / +
页数：2
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