1. 浙江大学电气工程学院, 浙江省杭州市 310027; 2. 国网浙江省电力有限公司电力科学研究院, 浙江省杭州市 310014; 3. 国网浙江省电力有限公司, 浙江省杭州市 310007
1. College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China;2. Electric Power Research Institute of State Grid Zhejiang Electric Power Co., Ltd., Hangzhou 310014, China;3. State Grid Zhejiang Electric Power Co., Ltd., Hangzhou 310007, China
The distribution network based on conventional topology is hard to adapt to the access of large-scale renewable energy, and the large-scale application of microgrid technology has become the development trend of distributed active smart distribution network in the future. A novel honeycomb topology of active distribution network is proposed, in which a cluster microgrid with standardized configuration of source, grid, load and storage is combined into a network in the form of a honeycomb by using smart power/information exchange stations(SPIESs), and it can realize regional autonomy and wide area interconnection of microgrid. On the basis of comparing with other deformed topologies, it is considered that honeycomb-shape active distribution network is one of the optimal topologies for smart distribution network, which is worthy of further study. An exploratory study is made on the implementation method and key technology of the proposed topology. The communication mechanism based on hierarchical control, the economic operation model of SPIESs and the economic dispatch model of microgrid are preliminarily established. After comparing with existing distribution network program, the proposed topology is considered that it has advantages of strong network architecture, high consumption of clean energy, flexible distribution method and supporting power market transactions. At last, challenges faced by the new distribution network topology in terms of economy and technology are analyzed, and the future research directions are prospected.
JIANG Daozhuo, XU Ning, JIANG Chongxi,et al.Conception, Key Technology and Prospect of Honeycomb-shape Active Distribution Network[J].Automation of Electric Power Systems,2019,43(17):1-11. DOI:10.7500/AEPS20180730017.