考虑路径损耗的热电联供型微网三层能量优化策略

doi:10.11930/j.issn.1004-9649.202206113

中国电力 ›› 2023, Vol. 56 ›› Issue (2): 102-113.DOI: 10.11930/j.issn.1004-9649.202206113

考虑路径损耗的热电联供型微网三层能量优化策略

凌凯^1,2, 王灿^1,2, 张高瑞³, 王傲奇^1,2, 褚四虎^1,2, 田福银^1,2, 李欣然^1,2

1. 湖北省新能源微电网协同创新中心（三峡大学），湖北宜昌　443002;
2. 三峡大学电气与新能源学院，湖北宜昌　443002;
3. 华能澜沧江水电股份有限公司，云南昆明　650214

收稿日期:2022-06-23 修回日期:2022-12-06 发布日期:2023-02-23
作者简介:凌凯（1997—），男，硕士研究生，从事微电网优化运行研究，E-mail：lingkaihard@163.com;王灿（1987—），男，通信作者，副教授，博士生导师，从事微电网协调控制与优化运行、综合能源系统经济运行、高比例新能源电力系统运行与控制研究，E-mail：xfcancan@163.com
基金资助:
国家自然科学基金资助项目（52107108）；湖北省自然科学基金资助项目（2021CFB163）。

Three-Layer Energy Optimization Strategy for CHP Microgrid Considering Path Loss

LING Kai^1,2, WANG Can^1,2, ZHANG Gaorui³, WANG Aoqi^1,2, CHU Sihu^1,2, TIAN Fuyin^1,2, LI Xinran^1,2

1. Hubei Provincial Collaborative Innovation Center for New Energy Microgrid, China Three Gorges University, Yichang 443002, China;
2. College of Electrical Engineering & New Energy, China Three Gorges University, Yichang 443002, China;
3. Huaneng Lancang River Hydropower Inc., Kunming 650214, China

Received:2022-06-23 Revised:2022-12-06 Published:2023-02-23
Supported by:
This work is supported by National Natural Science Foundation of China (No.52107108) and Natural Science Foundation of Hubei Province (No.2021CFB163).

摘要/Abstract

摘要： 为了降低微网对外部系统的依赖与微网自身的运行成本，针对热电联供型微网群，提出了一种三层能量优化策略。该策略不仅构建了以各微网运行成本最小为目标的下层优化运行模型、各主体间交互成本最小为目标的上层优化运行模型，还新构建了以能量传输路径损耗最小为目标的中间层优化运行模型。该中间层模型通过易货交易和买卖交易的方式提高微网间能量互济能力，并基于Floyd-Warshall算法为微网间能量交易搜索最优传输路径。算例结果显示，该三层优化策略具有良好的适用性，相比其他优化策略，能量传输过程损耗更低、微网间能量互济能力更强，各微网运行成本更小。

关键词: 热电联供型微网, 三层能量优化, 能量互济, 路径损耗, Floyd-Warshall算法

Abstract: In order to reduce the dependence of the microgrid on the external system and the operating cost of the microgrid itself, a three-layer energy optimization strategy is proposed for the combined heat and power microgrid cluster. This strategy not only constructs a lower layer optimal operation model aiming at minimizing the operation cost of each microgrid and an upper layer optimal operation model aiming at minimizing the interaction cost between agents but also constructs a new middle layer optimal operation model aiming at minimizing the loss of energy transmission path. The middle layer model improves the energy mutual aid ability between microgrids through barter and trading transactions and searches for the optimal transmission path for energy transactions between microgrids based on the Floyd-Warshall algorithm. The example results show that the three-layer optimization strategy proposed in this paper has good applicability. Compared with other optimization strategies, the proposed strategy has a lower energy transmission process loss, a stronger energy mutual aid ability between microgrids, and a smaller operation cost for each microgrid.

Key words: combined heat and power microgrid, three-layer energy optimization, energy mutual aid, path loss, Floyd-Warshall algorithm

凌凯, 王灿, 张高瑞, 王傲奇, 褚四虎, 田福银, 李欣然. 考虑路径损耗的热电联供型微网三层能量优化策略[J]. 中国电力, 2023, 56(2): 102-113.

LING Kai, WANG Can, ZHANG Gaorui, WANG Aoqi, CHU Sihu, TIAN Fuyin, LI Xinran. Three-Layer Energy Optimization Strategy for CHP Microgrid Considering Path Loss[J]. Electric Power, 2023, 56(2): 102-113.

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https://www.electricpower.com.cn/CN/Y2023/V56/I2/102

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考虑路径损耗的热电联供型微网三层能量优化策略

Three-Layer Energy Optimization Strategy for CHP Microgrid Considering Path Loss

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