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http://dx.doi.org/10.5370/KIEE.2010.59.3.485

Assessment of Available Transfer Capability (ATC) considering Real-time Weather Conditions  

Kim, Dong-Min (한양대 공대 전기공학과)
Bae, In-Su (한양대 공대 전기공학과)
Kim, Jin-O (한양대 공대 전기공학과)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.59, no.3, 2010 , pp. 485-491 More about this Journal
Abstract
Total Transfer Capability (TTC) should be pre-determined in order to estimate Available Transfer Capability (ATC). Typically, TTC is determined by considering three categories; voltage, stability and thermal limits. Among these, thermal limits are treated mainly in this paper on the evaluation of TTC due to the relatively short transmission line length of Korea Electric Power Corporation (KEPCO) system. This paper presents a new approach to evaluate the TTC using the Dynamic Line Rating (DLR) for the thermal limit. Since the approach includes not only traditional electrical constraints but also real-time environmental constraints, this paper obtains more cost-effective and exact results. A case study using KEPCO system confirms that the proposed method is useful for real-time operation and the planning of the electricity market.
Keywords
Total Transfer Capability(TTC); Heat Balance Equation; Dynamic Line Rating(DLR); Loadability;
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