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A survey on research of microgrid-a new power system

SHENG Kun1,2,KONG Li1,QI Zhi-ping1, PEI Wei1,2 , WU Han3, XI Peng4 (1. Institute of Electrical Engineering( Chinese Academy of Sciences), Beijing 100080,China; 2.Graduate school of Chinese Academy of Sciences,Beijing 100080,China; 3.Gandongbei Power Supply Company,Leping 33300,China; 4.National Audit office of People's Republic of China, Changsha 410001,China)  
Microgrid is one type of future power systems put forward by foreign researchers, which has a special superiority on not only improving power quality and reliability but also relieving pressure of energy and environment. First, this paper introduces the background and definition of microgrid.Second, different countries' achievements are compared, and basic running mode is represented for a typical microgrid. After energy resource and storing energy being classified, a frequency-droop character is described. Obviously different from classic transmission and distribution system, microgrid has its own feature. And power adjustment formulation has been amended. System optimization and stability is one of key research in microgrid, therefore series of goal is offered preliminarily. In the end, based on achievement by IEE in new energy, emphasis is put forward for future research in microgrid. This project is supported by National High Technology Research and Development of China (863 Programme) (No. 2006AA05Z246).
【Fund】: 国家863高技术基金项目(2006AA05Z246)
【CateGory Index】: TM727
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