Ryuhzou Yokoyama

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In this paper, the authors present an evaluation procedure of independent power producers' impact on reliability and associated costs of existing power systems under deregulation. Independent power producers (IPPs) with competitive electricity prices can contribute to the cost reduction of electricity supply under the open access power systems. However,(More)
The authors describe an expert system which assists the security control of an electric power system. The expert system first judges the power system operating conditions based on its voltage profile and line flow patterns and then displays possible control actions to be chosen by operators. The salient features of this expert system are: (1) power system(More)
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