An Integrated Control and Protection System for Photovoltaic Microgrids

被引：56

作者：

Chen, Laijun ^{[1
]}

Mei, Shengwei ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Elect Engn, State Key Lab Power Syst, Beijing 100084, Peoples R China

来源：

CSEE JOURNAL OF POWER AND ENERGY SYSTEMS | 2015年 / 1卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Control strategies; integrated protection; microgrid; operation modes;

D O I：

10.17775/CSEEJPES.2015.00005

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：

The microgrid has shown to be a promising solution for the integration and management of intermittent renewable energy generation. This paper looks at critical issues surrounding microgrid control and protection. It proposes an integrated control and protection system with a hierarchical coordination control strategy consisting of a stand-alone operation mode, a grid-connected operation mode, and transitions between these two modes for a microgrid. To enhance the fault ride-through capability of the system, a comprehensive three-layer hierarchical protection system is also proposed, which fully adopts different protection schemes, such as relay protection, a hybrid energy storage system (HESS) regulation, and an emergency control. The effectiveness, feasibility, and practicality of the proposed systems are validated on a practical photovoltaic (PV) microgrid. This study is expected to provide some theoretical guidance and engineering construction experience for microgrids in general.

引用

页码：36 / 42

页数：7

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