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蜂巢状有源配电网构想、关键技术与展望
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作者单位:

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

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国网浙江省电力有限公司科技项目(5211DS15002W)


Conception, Key Technology and Prospect of Honeycomb-shape Active Distribution Network
Author:
Affiliation:

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

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    摘要:

    传统拓扑结构的配电网难以适应大规模可再生能源的接入,而微网技术的规模化应用已成为未来分布式有源智能配电网的发展方向。文中提出了一种蜂巢状有源配电网拓扑,将“源网荷储”规范化配置的分布式微网群通过智能功率/信息交换基站以蜂巢状结构组合成网,实现微网的区域自治和相互间的广域互联;在对比其他变形拓扑的基础上,认为蜂巢状有源配电网是一种值得深入研究的未来智能配电网优选拓扑结构。对所提拓扑的实现方式和关键技术展开了探索性研究,初步建立了基于分层控制的通信机制、基站的经济运营模型和微网的经济调度模型。与现有配电网方案对比分析后,认为所提拓扑具有网络架构坚强、清洁能源消纳能力强、配电方式灵活和支持电力市场交易等优点。最后,分析了该新型配电网拓扑在经济性和技术性等方面面临的挑战并展望了下一步的研究方向。

    Abstract:

    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.

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引用本文

江道灼,徐宁,江崇熙,等.蜂巢状有源配电网构想、关键技术与展望[J].电力系统自动化,2019,43(17):1-11. DOI:10.7500/AEPS20180730017.
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.

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历史
  • 收稿日期:2018-07-30
  • 最后修改日期:2019-07-10
  • 录用日期:2019-04-22
  • 在线发布日期: 2019-07-09
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