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Efficient Coordination of Wind Power and Price-Responsive Demand—Part II: Case Studies

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3 Author(s)
Ilic, M.D. ; Carnegie Mellon Univ., Pittsburgh, PA, USA ; Le Xie ; Jhi-Young Joo

In Part II of this paper, we demonstrate on a modified 24-bus IEEE Reliability Test System (RTS) that it is indeed possible to manage large-scale intermittent resources in coordination with price-responsive demand. The algorithms introduced in Part I of this paper are simulated assuming 20% and 50% wind capacity. We show that the look-ahead dispatch of the proposed method is physically implementable and, when used with elastic demand, can accommodate the integration of close to 50% wind capacity. This is contrasted with the observation that, without elastic demand, 50% wind integration is not physically implementable. From the perspective of total market surplus, the predictive dispatch of the proposed method is 3.8% suboptimal when compared to the centralized most efficient predictive economic dispatch. Further simulations are needed to test the feasibility of coordinating wind power and price-responsive demand on realistic large-scale power systems.

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Power Systems, IEEE Transactions on  (Volume:26 ,  Issue: 4 )