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In the recently deregulated electricity market, a more secure of power system operation is essential. One of the methods to avoid the risk of compromising power system instability is preventive control which often comes in the form of generation rescheduling. This paper attempts to solve transient stability preventive control problem by generation redispatch utilizing the Primal-Dual Interior Point...
In a deregulated electric power industry where electric power export and import among interconnected areas are frequent, transmission network plays an even more significant role in allowing inter-area transfers. In order to maintain secure power transfers, security limit such as transient stability constraint has been imposed to power transfer, hence allowing secure power transfer for a possible contingency...
In nowadays deregulated market, available transfer capability (ATC) is a measure of the network capability for further commercial activity above the already committed uses. This paper deals with the development of an interior point nonlinear programming methodology for evaluating dynamic ATC. By establishing a novel method for integrating transient stability constraints into conventional steady-state...
The preventive/corrective control for voltage stability is an indispensable part of on-line voltage monitoring system. Hidden trouble of voltage stability could be eliminated by cooperation of preventive control and corrective control, thus the operating point could be in secure area continually. In this paper, a 168-bus real power system was investigated to illustrate how to solve optimal control...
Based upon the MC-TSCOPF (multi-contingency transient stability constrained OPF) program, in this paper, an optimal power flow based method for power system transient stability preventive control is presented. Since generation rescheduling is based upon the optimal result of MC-TSCOPF, this method always maintains economy while rescheduling generation to improve security. It possesses the merit that...
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