Study on improving output current waveform of photovoltaic grid-connected system

被引：0
|
作者：
Zheng, Shicheng [1 ]
Wang, Peizhen [1 ]
Ge, Lusheng [1 ]
机构：
[1] Anhui Univ Technol, Sch Elect Engn & Informat, Maanshan 243002, Peoples R China
来源：
ICIEA 2006: 1ST IEEE CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS, VOLS 1-3, PROCEEDINGS | 2006年
关键词：
photovoltaic; grid-connected system; repetitive control; feedforward control;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Residential photovoltaic grid- connected systems are distributed power generation devices that convert the dc energy from the solar arrays to high-quality ac power at the utility grid interface. In this paper, the strategy, which based on repetitive control and feedforward control of utility grid, is applied to improve the output current waveform. First, it is shown that the commonly used photovoltaic grid-connected inverter topology, based on the SPWM modulated full-bridge converter. Then, the operational principle of system is analyzed, and the repetitive control is presented. Finally, the validity of the proposed strategy and its effect on the improvement of the quality of the output current waveform are verified through simulation and experiment.
引用
收藏
页码：1093 / 1097
页数：5
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