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The Korean Institute of Electrical Engineers (대한전기학회)
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A Study on an Algorithm of Line Switching and Bus Separation for Alleviating Overloads by the Use of Line Power Tracing and Sensitivity

선로유효전력 Tracing과 민감도를 활용한 선로 과부하 해소 스위칭 및 모선분리 알고리즘에 관한 연구

  • 이병하 (인천대 공대 전기공학과) ;
  • 황승호 (인천대 공대 전기공학과)
  • Received : 2011.10.12
  • Accepted : 2011.10.26
  • Published : 2011.11.01
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Abstract

In this paper, a new algorithm for alleviating overloads in power networks by the use of line power tracing and sensitivity is proposed to perform line switching and bus separation effectively. Also, a new bus separation index based on line power tracing is presented to find the bus to be separated for relieving overloads effectively. By applying the sensitivity of the line flow with respect to the change of the line impedance, both switching-on and switching-off of the lines for alleviating overloads in power networks are performed systematically at once. The number of the considered cases for line switching and bus separation can be greatly reduced and the best combination of line switching and bus separation can be acquired efficiently by the use of the sensitivity and the bus separation index. In order to show the effects of this algorithm, it is applied to a small scale power system of IEEE 39-bus system and practical power systems of KEPCO.

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References

  1. W.R. Lachs, " Transmission-line overloads: real-time control," IEE Proceedings, vol. 134, Pt.C, No. 5, pp.342-347, September 1987.
  2. E. B. Makram, K. P. Thornton, and H. E. Brown, " Selection of lines to be switched to eliminate overload lines using a Z-matrix method," IEEE Trans. Power Syst., vol. 4, no. 2, pp. 653-661, May 1989. https://doi.org/10.1109/59.193839
  3. N. Muller and V.H. Quintana, " Line and shunt switching to alleviate overloads and voltage violations in power networks," IEE Proceedings, vol. 3, 136, Pt.C, No. 4, pp.246-253, July 1989.
  4. P.R. Bijwe, J. Nanda, K.L. Puttabuddhi, " Ranking of line outages in an AC-DC system causing overload and voltage problems," IEEE Proceedings-C, vol. 138, No. 3, pp. 207-212, 1991. https://doi.org/10.1049/ip-d.1991.0029
  5. J. N. Wrubel, P. S. Rapcienski, K.L. Lee, B.S. Gisin, and G. W. Woodzell, " Practical experience with corrective switching algorithm for on-line applications," IEEE Trans. Power Systems, vol. 11, No. 1, pp. 415-421,1996. https://doi.org/10.1109/59.486127
  6. W. Shao and V. Vittal, " A new algorithm for relieving overloads and voltage violations by transmission line and bus-bar switching," IEEE PES Power Systems Conference and Exposition, vol. 1, pp. 322-327, 10-13 Oct. 2004.
  7. W. Shao and V. Vittal, "Corrective switching algorithm for relieving overloads and voltage violations," IEEE Trans. on Power Systems, vol. 20, No. 4, pp. 1877-1885. 2005. https://doi.org/10.1109/TPWRS.2005.857931

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