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A Study on The Available Transfer Capability(ATC) with Transient Stability Constraints  

Kim, Yang-Il (순천대학교 정보통신공학부)
Jeong, Sung-Won (순천대학교 정보통신공학부)
Gim, Jae-Hyeon (순천대학교 정보통신공학부)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.58, no.3, 2009 , pp. 437-443 More about this Journal
Abstract
In recent years, electric power systems have been experiencing a rapid change due to the increasing electricity market. For the effective use of power system under the deregulated environment, it is important to make a fast and accurate calculation of the maximum available transfer capability (ATC) from a supply point to a demand point. In this paper, the purpose of this research is to calculate ATC fast and accurately for securing the stability of system and raising the efficiency as a result of anticipating transmission congestion according to transmission open access progressed in the future under the regulated environment of electricity market. In this paper, a study utilized a relation of the potential energy and energy function by which calculated CCT and then utilized a relation of PEBS for transient stability ATC calculation. In this paper, ATC was calculated as RPF and Energy Function method and calculation results of each method was compared. Contingence ranking method decided the weak bus by the Eigenvalues of Jacobian matrix and overloading branches by PI-index. As a result, a study proved the fast and accurate ATC calculation method considering transient stability suggested in this paper. Through the case study using New England 39 bus system, it is confirmed that the proposed method can be used for real time operation and the planning of electric market.
Keywords
Available Transfer Capability(ATC); Repeated Power Flow(RPF); Transient Stability;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By SCOPUS : 0
연도 인용수 순위
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