A multipleriod energy acquisition model for a distribution company with distributed generation and interruptible load

被引:93
作者
Li, Haiying [1 ]
Li, Yuzeng
Li, Zuyi
机构
[1] Shanghai Univ, Dept Automat, Shanghai, Peoples R China
[2] IIT, Dept Elect & Comp Engn, Chicago, IL 60616 USA
基金
中国国家自然科学基金;
关键词
distributed generation; distribution company; electricity market; interruptible load; nonlinear complementarity method;
D O I
10.1109/TPWRS.2007.894862
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
This paper presents a multiperiod energy acquisition model for a distribution company (Disco) with distributed generation (DG) and interruptible load (IL) in a day-ahead electricity market. Assuming that cost information for individual generation companies (Gencos) and Discos is known, the Disco's energy acquisition strategy is modeled as a bilevel optimization problem with the upper subproblem representing individual Discos and the lower subproblem representing the independent system operator (ISO). The upper subproblem maximizes individual Discos revenues. The lower subproblem simulates the ISO's market clearing problem that minimizes generation costs and compensation costs for interrupting load. The bilevel problem is solved by a nonlinear complementarity method. An 8-bus system is employed to illustrate the proposed model and algorithm. In particular, the roles of DGs and ILs to alleviate congestion are analyzed.
引用
收藏
页码:588 / 596
页数:9
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