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A Study on the Reliability Evaluation for Interconnecting Power Systems in Northeast Asia  

Choi, Jae-Seok (경상대 전기공학과)
Cha, Jun-Min (대진대 전기공학과)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.57, no.7, 2008 , pp. 1129-1134 More about this Journal
Abstract
This paper proposes a reliability evaluation for interconnection planning using a tie line equivalent assisting generator model (TEAG) that considers the uncertainties of the interconnected transmission systems and the tie lines. Development of this model was triggered by the need to perform probabilistic reliability evaluations on the NEAREST (North East Asia Region Electric Systems Tied) interconnection. The TEAG is the basis for the newly developed interconnection systems reliability evaluation computer program, NEAREL. The model is capable of considering uncertainties associated with generators, tie lines, and the tied grids. Reliability evaluations for six interconnection scenarios involving the power systems of six countries in the Asian north eastern region were performed using NEAREL. Sensitivity analysis was used to determine reasonable tie line capacities for three interconnected country scenarios of the six countries. Test results and summarized comments of the scenarios are included in the paper.
Keywords
Interconnection; System reliability evaluation; Northeast Asia; TEAG;
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