This paper presents a new method for choosing the best line for transmission system expansion planning considering the highest reliability level of the transmission system. Conventional methodologies for transmission system expansion planning have been mainly focused on economics, which is the minimization of construction costs. However, quantitative evaluation of transmission system reliability is important because successful operation and planning of an electric power system under the deregulated electricity market depends on transmission system reliability management. Therefore, it is expected that the development of methodology for choosing the best lines considering the highest transmission system reliability level while taking into account uncertainties of transmission system equipment is useful for the future. The characteristics and effectiveness of the proposed methodology are illustrated by the case study using a MRBTS. Copyright ⓒ 2003 IFAC
Abstract<BR>1. Introduction<BR>2. Reliability Evaluation of Power Systems Hierarchical Levels<BR>3. Reliability Evaluation of Transmission System<BR>4. Case Study<BR>5. Conclusions<BR>Aknowledgements<BR>References<BR>
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