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ABSTRACT: 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 is evaluated from both economical and reliability view points. For this aim, the emergency demand response program is implemented for specific loads which are chosen according to a sensitivity analysis. Then, available transfer capability is calculated by an OPF-based market clearing procedure and is compared with its initial value, which was computed before the implementation of demand response program. Numerical studies are conducted based on IEEE 30-bus test system.
Power Systems Conference and Exposition, 2009. PSCE '09. IEEE/PES; 04/2009
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ABSTRACT: In a deregulated power system, to ensure the electricity to be delivered reliably and the system to be operated securely, various ancillary services are needed. Spinning reserve is one of these ancillary services that a reasonable amount of it is essential to satisfy system security constraints when the power system faces with a contingency. Direct load control (DLC) is one of the incentive-based DR programs which is usually used for peak clipping or load shifting from peak load period to light load period in order to improve the system efficiency. In this paper, DLC program has been considered as one of the spinning reserve resources from both economical and reliability criteria viewpoints.
Power and Energy Conference, 2008. PECon 2008. IEEE 2nd International; 01/2009
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ABSTRACT: Spinning Reserve (SR) is one of the ancillary services which is essential to satisfy system security constraints when the power system faces with a contingency. In this paper, emergency demand response program as one of the incentive-based demand response programs is implemented as a source of spinning reserve. In this regard, certain numbers of demands are selected according to a sensitivity analysis, and are simulated as virtual generation units. The reserve market is cleared for SR allocation considering a probabilistic technique. A comparison is conducted between the absence and existence of emergency demand response program from both economical and reliability view points. Numerical studies based on IEEE 57 bus test system are conducted for evaluation of the proposed method.
Power and Energy Conference, 2008. PECon 2008. IEEE 2nd International; 01/2009
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ABSTRACT: In this paper an economic comparison between using FACTS devices and demand response programs implementation for the enhancement of available transmission capacity is addressed. In order to reach to this target first, direct load control program, as the most common demand response program, is considered. Then, enhancement of ATC by using of TCSC, shunt capacitor and shunt reactor is investigated. Finally, an economic analysis for the above ATC enhancement resources is performed and an economic feasibility study is conducted. The proposed method is evaluated by numerical studies based on IEEE 30-bus test system.
Electric Power Conference, 2008. EPEC 2008. IEEE Canada; 11/2008
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ABSTRACT: Spinning Reserve is one of the ancillary services which is essential to satisfy system security constraints when the power system faces with a contingency. In this paper, Day Ahead Demand Response Program as one of the incentive-based Demand Response programs is implemented as a source of spinning reserve. In this regard, certain number of demands are selected according to a sensitivity analysis, and simulated as virtual generation units. The reserve market is cleared for Spinning Reserve allocation considering a probabilistic technique. A comparison is performed between the absence and existence of Day Ahead Demand Response Program from both economical and reliability viewpoints. Numerical studies based on IEEE 57 bus test system is conducted for evaluation of the proposed method.
Energy.
