Abstract
This paper presents the state of the art research and application of microgrid in China, and then introduces the major concerns for the development of microgrid. The research related to microgrid inChinaarose around 2004, focused on the connection of distributed energy resources (DERs) to grid and its influence on distribution network, and then followed the microgrid concept of Consortium for Electric Reliability Technology Solutions (CERTS). However, the microgrid inChinahas taken a more active path with the development of DER and the encouragement of the development of smart grid and resource and energy needing. Now, nearly every province inChinahas typical researches and applications of microgrid. Besides, there are already two major patterns in the development of microgrid, the institute-domi- nating research and the enterprise-dominating application. Research institutions likeTianjinUniversity, Hefei University of Technology, Xi’an Jiaotong University,InstituteofElectrical Engineering(ChineseAcademyof Sciences), etc., are leading the research on microgrid. The companies like State Grid Corporation of China (SGCC), China Southern Power Grid (CSPG), etc., have accomplished several demonstration projects of microgrid, and give a further boost to its application. At the end of the paper, according to the present situation of the development of microgrid inChina, the facing problems and the way to deal with it are put forward.
Highlights
Since the entrance of 21st century, developing clean energy and ensuring the safety of energy have become the keywords in the energy industry
This paper presents the state of the art research and application of microgrid in China, and introduces the major concerns for the development of microgrid
The research related to microgrid in China arose around 2004, focused on the connection of distributed energy resources (DERs) to grid and its influence on distribution network, and followed the microgrid concept of Consortium for Electric Reliability Technology Solutions (CERTS)
Summary
Since the entrance of 21st century, developing clean energy and ensuring the safety of energy have become the keywords in the energy industry. In order to overcome the negative impact of distributed energy resources (DERs) on power system, and maximize the potential of DERs, the microgrid concept was proposed by Lassster et al at the University of Wisconsin–Madison (UWM). The microgrid can be operated as a single system with DERs and loads [1,2,3]. The Consortium for Electric Reliability Technology Solutions (CERTS) presented the white paper on integration of DERs. The CERTS microgrid concept assumes an aggregation of loads and DERs operating as a single system providing both power and heat [4]. It consists of micro sources, power and voltage controller, point of common coupling (PCC), circuit breaker, separation device and so on. The CERTS microgrid concept is an important reference for the researches and the applications in China
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