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An effective nodal price modeling is the key factor in managing transmission issues, which is able to generate correct economic signal. This paper examines the main idea behind the congestion-based nodal price modeling and further discusses the techniques used to incorporate transmission usage tariff into the model as a scheme of the authors' proposed models. In this comprehensive approach pricing...
In power market environment, available transfer capability is an important index which is defined as the maximum additional power that can be transmitted in an interchange schedule between the specified buses. In this paper, emergency demand response program, which is one of the incentive-based demand response programs, is used as a method for available transfer capability enhancement, and this implementation...
Bottlenecks on transmission line becomes an obstacle for the perfect competition of power market. One obvious drawback of such constraint is congestion. When congestion occurs, power market may be inefficient due to re-dispatch of generators connected to the grid. Energy prices vary throughout the network as generating costs raise in congested area, called locational marginal prices (LMP). In this...
In this paper, a comprehensive problem for calculating active and reactive spot prices based on short run marginal cost theory is presented. In order to calculate marginal costs, an optimal power flow, including objective function and constraints, is solved, that is real and reactive power dispatch so as to minimize total operating cost of utilities, subject to the operational constraints. The goal...
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