Market power and welfare effects in DC power flow electricity models with thermal line losses

被引：3
|
作者：
Ivanic, R
Preckel, PV
Yu, ZW
机构：
[1] Purdue Univ, Dept Agr Econ, W Lafayette, IN 47907 USA
[2] Purdue Univ, State Util Forecasting Grp, W Lafayette, IN 47907 USA
来源：
DECISION SUPPORT SYSTEMS | 2005年 / 40卷 / 3-4期
基金：
美国国家科学基金会;
关键词：
electricity markets; imperfect competition; welfare measurement; thermal line losses;
D O I：
10.1016/j.dss.2004.09.003
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
A nodal electric power network with Cournot-Nash interaction among power generators is formulated as a mixed complementarity problem. The model incorporates a direct current (DC) power flow approximation with thermal line losses to model real-time flows. We include constant wheeling rate and variable congestion charges for transmission of electricity. Market power and welfare effects are measured in an aggregated Indiana electric grid model. We find that imposing DC power flow constraints in a model results in significant changes in social welfare estimates. Line losses are also an important factor affecting market power and welfare of market participants in the case study. (c) 2004 Elsevier B.V All rights reserved.
引用
收藏
页码：529 / 542
页数：14
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