Generalized Locational Marginal Pricing in a Heat-and-Electricity-Integrated Market

被引:49
作者
Deng, Lirong [1 ]
Li, Zhengshuo [2 ]
Sun, Hongbin [1 ,3 ]
Guo, Qinglai [1 ,3 ]
Xu, Yinliang [1 ]
Chen, Runze [4 ]
Wang, Jianhui [2 ]
Guo, Ye [1 ]
机构
[1] Tsinghua Berkeley Shenzhen Inst, Shenzhen Environm Sci & New Energy Technol Engn L, Shenzhen 518055, Peoples R China
[2] Southern Methodist Univ, Dept Elect Engn, Dallas, TX 75275 USA
[3] Tsinghua Univ, Dept Elect Engn, State Key Lab Power Syst, Beijing 100084, Peoples R China
[4] Source Code Capital, Dept Investment, Beijing 100022, Peoples R China
基金
中国国家自然科学基金;
关键词
Locational marginal pricing; combined heat and power; cross-subsidy; cost allocation; integrated energy system; ENERGY; LMP; DEMAND; OPTIMIZATION; DISPATCH;
D O I
10.1109/TSG.2019.2904522
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this paper, a new pricing method derived from the heat-and-electricity-integrated market clearing problem, referred to as generalized locational marginal pricing (GLMP), is presented. The market clearing problem is formulated by the independent system operator (ISO) to coordinate the electric power system with the district heating system by considering time-delay effects in the heating transfer process. GLMP is explained as the shadow price related to the nodal electricity balance and nodal heat balance at the optimal solution. Without considering network constraints, a simplified market clearing problem is proposed to illustrate the price linkage between heating and electricity markets through combined heat and power joint costs and feasible regions. Rational generation units will behave exactly as the ISO predicts by maximizing their individual producer surplus. Then, a compact form of the complete market clearing problem is employed to derive the detailed components of GLMP, namely, the extended marginal generation component, marginal loss component, and marginal congestion component. Furthermore, time-delay effects are reflected in the pricing. Numerical results verify the validity of component classification in GLMP and demonstrate that the proposed method can promote efficiency improvements and reduce cross-subsidies.
引用
收藏
页码:6414 / 6425
页数:12
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