This paper presents a study on evaluating the reliability indices considering a transmission system. Because successful operation of electric power under the deregulated electricity market depends on transmission system reliability management, quantity evaluation of transmission system reliability is very important. This paper introduces features and operation modes of the Transmission Reliability Evaluation for Large-Scale Systems(TRELSS) Version 6.0, a commercial program made in EPRI, and TranRel-Ⅰ V3.2, a educational program made in GSNU(GyeongSang National University) for assessing reliability indices of composite power system. The packages access not only bulk but also bus indices for reliability evaluation of composite powers system. The practicality, effectiveness and future works of this methodology are illustrated by demonstrations of two case studies of modified IEEE 25 buses reliability test system using TRELSS and TranRel-Ⅰ and a brief case study for the KEPCO size system using TranRel-Ⅱ made in GSNU.
Abstract<BR>1. 서론<BR>2. 복합전력계통의 신뢰도 평가 이론<BR>3. TRELSS의 구성도 및 전력계통 신뢰도평가<BR>4. 사례연구<BR>5. 결론<BR>감사의 글<BR>참고문헌<BR>저자소개<BR>
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