摘要
随着分布式发电渗透率的提升,配电网及微网层面的点对点电能交易模式可充分发挥分布式电源优势,应用前景广阔。然而,现有研究较少考虑跨台区交易成本与网络安全校验问题。为此,本文提出一种改进的集合竞价匹配机制,在跨台区交易成本约束下实现点对点电能交易的有效匹配,生成无约束交易计划。然后基于交流潮流灵敏度分析,以交易总量最大化与用户参与优化为目标,通过分层优化模型对无约束计划进行安全校验与调整。最后结合点对点交易引发的网损增量及兆瓦公里法,定义跨台区交易成本构成与计算方法,算例分析验证了所提交易模式的可行性与有效性。
As the penetration rate of distributed generation(DG)increases,the peer-to-peer power trading model at the distribution network and microgrid levels can give full play to the advantages of distributed power sources,and has a promising application prospect.However,the existing studies less consider the cost of cross-table trading and the network security checking problem.In this paper,an improved pooled bidding matching mechanism is proposed to achieve effective matching of point-to-point power trading under the constraint of cross-territory transaction cost and generate unconstrained trading plans.Then,based on the AC current sensitivity analysis,the unconstrained plan is security-checked and adjusted by a hierarchical optimisation model with the objectives of maximising the total transaction volume and optimising user participation.Finally,the cost composition and calculation method of cross-taiwan transaction are defined by combining the incremental network loss caused by point-to-point transaction and theMW-km method.Example analyses verify the feasibility and effectiveness of the proposed transaction model.
作者
宗星辰
沈开程
赵景涛
原凯
万灿
ZONG Xingchen;SHEN Kaicheng;ZHAO Jingtao;YUAN Kai;WAN Can(College of Electrical Engineering,Zhejiang University,Hangzhou 310027,China;Electric Power Research Institute of Guangdong Power Grid Co.,Ltd.Guangzhou 510080,China;NARI Group Corporation(State Grid Electric Power Research Institute),Nanjing 211106,China;State Grid Economic and Technological Research Institute Co.,Ltd.,Beijing 102209,China)
出处
《能源工程》
2025年第4期33-45,共13页
Energy Engineering
基金
国家电网公司科技项目(5400-202219417A-2-0-ZN)。
关键词
点对点交易
网络安全校核
灵敏度分析
分布式发电
分层优化
peer to peer trading
network security verification
sensitivity analysis
distributed generation
hierarchical optimization
