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《Proceedings of the Chinese Society of Universities for Electric Power System and its Automation》 2011-01
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Transmission Congestion Management Considering Load Demand Elasticity

HE Yi,WANG Jian,LI Ting-ting(School of Electric Power,South China University of Technology, Guangzhou 510640,China)  
Load demand elasticity is considered in the transmission congestion management,and the impacts of demand elasticity on degree of transmission congestion,buses demand price and system losses are investigated in this paper.The model with maximizing social surplus as the objective function uses optimal power flow(OPF) as a tool to make a scheduling.In the OPF model load demand elasticity as well as various system constraints are considered,and path following interior point method is used to solv the OPF.IEEE-14 bus system is illustrated as an example to show that the elastic load can contribute to congestion relief and lower the congestion cost through the economic levers of electricity price.
【CateGory Index】: TM73
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