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Electricity Contract Market for Distribution Network With Distributed Generations and Flexible Loads 含分布式电源及灵活负荷的配电网电量合约市场
Cao,Zijian1,2; Lin,Jin1; Song,Yonghua1,3
2019-07-05
Source PublicationDianwang Jishu/Power System Technology
ISSN1000-3673
Volume43Issue:7Pages:2430-2440
AbstractThis paper firstly analyzes the structure, transaction process and contract content of distribution electricity contract market. Then various components comprising the market are modeled. Based on historical data, Copulatheory is used to calculate the stochastic characteristics and correlation of distributed generations. Conditional probability density of the distributed generations is obtained under the case of known predicted output of each distributed generation. On this basis, a centralized market clearing optimization model is proposed to minimize the total cost of purchasing electricity considering local power balance probability constraint. The contribution of each flexible load to total purchase cost is measured based on Shapley value, and a purchase cost allocation mechanism is proposed. Through case studies, the influence of the distributed generation prediction accuracy, complementarity with other distributed generations and load flexibility on contract price is analyzed. It is verified that the proposed model can reflect the characteristics of distributed generations and flexible loads in electricity contract price. Therefore, the proposed model can match the uncertainty of the distributed generations and the flexibility of the load through market measures, thus promoting local accommodation of distributed generations and reducing the power balance pressure of transmission network.
KeywordDistributed generation Distribution network Electricity contract Electricity market Flexible load
DOI10.13335/j.1000-3673.pst.2018.1975
URLView the original
Language中文
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Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorLin,Jin
Affiliation1.State Key Lab of Control and Simulation of Power Systems and Generation Equipments,Dept. of Electrical Engineering,Tsinghua University,Beijing,Haidian District,100084,China
2.State Grid Energy Research Institute,Beijing,Changping District,102209,China
3.Department of Electrical and Computer Engineering,University of Macau,Taipa,Macao
Recommended Citation
GB/T 7714
Cao,Zijian,Lin,Jin,Song,Yonghua. Electricity Contract Market for Distribution Network With Distributed Generations and Flexible Loads 含分布式电源及灵活负荷的配电网电量合约市场[J]. Dianwang Jishu/Power System Technology,2019,43(7):2430-2440.
APA Cao,Zijian,Lin,Jin,&Song,Yonghua.(2019).Electricity Contract Market for Distribution Network With Distributed Generations and Flexible Loads 含分布式电源及灵活负荷的配电网电量合约市场.Dianwang Jishu/Power System Technology,43(7),2430-2440.
MLA Cao,Zijian,et al."Electricity Contract Market for Distribution Network With Distributed Generations and Flexible Loads 含分布式电源及灵活负荷的配电网电量合约市场".Dianwang Jishu/Power System Technology 43.7(2019):2430-2440.
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