Abstract
With central processor costs falling rapidly, more powerful processors are available for an energy management system (EMS) of an electric utility. As a result, the addition of optimal power flow (OPF) to the traditional power system analysis functions – network model update, state estimator, load flow and security (contingency) analysis – is gaining importance for improving the performance of the power system security functions in an EMS. This paper discusses the implementation of OPF in an EMS and the on-line experience of OPF results to assist the dispatcher in determining the operating strategies of the power system.
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