A novel microcontroller for grid-connected photovoltaic systems

被引:93
作者
Koizumi, Hirotaka [1 ]
Mizuno, Tamaki
Kaito, Takashi
Noda, Yukihisa
Goshima, Norio
Kawasaki, Manabu
Nagasaka, Ken
Kurokawa, Kosuke
机构
[1] Tokyo Univ Agr & Technol, Tokyo 1848588, Japan
[2] YEM Inc, Atsugi, Kanagawa 2430021, Japan
关键词
AC module; anti-islanding; grid connection; grid-connected photovoltaic (PV) inverters; islanding detection; maximum power point tracking (MPPT);
D O I
10.1109/TIE.2006.885526
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The purpose of this paper is to develop a novel microcontroller for grid-connected photovoltaic (PV) systems. As a prototype model, a 100-W-class module-integrated converter composed of the proposed controller and a flyback inverter has been built and tested. The prototype model is designed to satisfy the Japanese grid-connection guideline. Basic functions as those of a grid-connected PV inverter, such as the maximum-power-point tracking and the anti-islanding protection, have been confirmed in the experiments, using a distribution network simulator located in a laboratory. This paper presents the description of the controller and the experimental. results. A microcontroller has been developed with a 50-MHz-class microcomputer and simple interfaces. By revising the program, the proposed controller can be applied to various types of PV systems or grid-connected equipment.
引用
收藏
页码:1889 / 1897
页数:9
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