摘要
从宏观角度分析了分布式发电(DG)保护和微网保护的策略。分析了DG保护的研究对象与研究方法,总结了目前有关DG保护的成果,归纳并比较分析了4种DG保护策略。对交流微网的保护,从是否依赖于通信的角度进行分析,提出了构造微网开关站的思路。对直流微网的可行性进行分析,给出了直流微网规模大小的建议,并阐述了直流微网保护的要点。最后从电网结构出发,给出了关于分布式电源与微网接入策略的建议。
The strategies of protection for distributed generation （DG） and microgrid are analyzed in macroscopic view. The research objects and research methods of protection for DG are analyzed. Based on the current achievements, four strategies of protection for DG are summarized and compared. The protection for AC microgrid is analyzed in the view of whether it depends on communication or not, and a thought of establishing microgrid switch station is presented. The feasibility of DC microgrid is analyzed. The size of DC microgrid is proposed, and the main points of protection for DC microgrid are discussed. At last, based on the grid topology, the connection strategies of DG and microgrid are proposed.
出处
《电力系统自动化》
EI
CSCD
北大核心
2010年第1期73-77,共5页
Automation of Electric Power Systems
基金
国家自然科学基金资助项目(50807008)
国家电网公司科技项目“微网技术体系研究”~~
关键词
微网
分布式发电
保护
通信
网络
microgrid
distributed generation
protection
communication
network
