Article

New approach to standing phase angle reduction for power system restoration

  1. A. Ketabi†,
  2. A. M. Ranjbar‡,
  3. R. Feuillet§

Article first published online: 22 MAR 2007

DOI: 10.1002/etep.4450120408

Issue

European Transactions on Electrical Power

European Transactions on Electrical Power

Volume 12, Issue 4, pages 301–307, July/August 2002

Additional Information

How to Cite

Ketabi, A., Ranjbar, A. M. and Feuillet, R. (2002), New approach to standing phase angle reduction for power system restoration. Euro. Trans. Electr. Power, 12: 301–307. doi: 10.1002/etep.4450120408

Author Information

  1. †

    Abbas Ketabi (1971) received the BSc and MSc degrees both in Electrical Engineering from Sharif University of Technology, Department of Electrical Engineering, in 1994 and 1996, respectively. Since then, he was with the Department of Electrical Engineering at Kashan University. In 2001, he received his Ph.D. degrees in Electrical Engineering conjointly from Sharif University of Technology, Tehran/Iran, and the Institut National Polytechnique de Grenoble (INPG), Grenoble/France. He is currently an assistant professor and Head of Electrical Eng. Department at Kashan University. His research interests are Power System Operation and Dynamics, Expert Systems, Transient Studies and Application of power electronics converters in power systems. (Electrical Engineering Department, Faculty of Engineering, Kashan University, Kashan/Iran, Phone: +98 361 555 333, Fax: +98 361 552 930, E-mail: aketabi@kashanu.ac.ir)

  2. ‡

    Ali Mohammad Ranjbar (1943) received the MSc and PhD degrees in Electrical Engineering from Tehran University in 1967 and Imperial College of London University in 1975, respectively. Since then, he has been at Sharif University of Technology. Department of Electrical Engineering, where he is currently a full professor. Dr. Ranjbar is the Editor-in-Chief of the Journal of Electrical Science and Technology since 1989 and the Director of Niroo Research Institute since 1996, too. His main research interests are in the areas of electric power systems protection and operation, and Electrical Machines. (Department of Electrical Engineering, Sharif University of Technology, P.O.Box 11365–9363, Tehran/Iran, Phone: +98216005317, Fax: +98216019568, E-mail: ranjbar@sina.sharif.ac.ir)

  3. §

    René Feuillet (1953) received his Dr. Eng. Degree in Electrical Engineering from INPG in 1979. In 1991, he received the degree of “Habilitation à Diriger des Recherches” from the same institute. From 1979 to 1998, he has been appointed as Assistant Professor at the National Electrical Engineering School of Grenoble (EN-SIEG), France, and since 1998 he served as a full professor at the same institute. His research activities in LEG include modeling of power electronics converters and interference perturbations on power networks and components. (Laboratoire d'Electro-technique de Grenoble, INPG/ENSIEG, BP 46, 38402 Saint Martin d'Hères, Cedex/France, Phone: +33476826385, Fax: +33476826300, E-mail: Rene.Feuillet @leg.ensieg.inpg.fr)

  1. †

    Abbas Ketabi (1971) received the BSc and MSc degrees both in Electrical Engineering from Sharif University of Technology, Department of Electrical Engineering, in 1994 and 1996, respectively. Since then, he was with the Department of Electrical Engineering at Kashan University. In 2001, he received his Ph.D. degrees in Electrical Engineering conjointly from Sharif University of Technology, Tehran/Iran, and the Institut National Polytechnique de Grenoble (INPG), Grenoble/France. He is currently an assistant professor and Head of Electrical Eng. Department at Kashan University. His research interests are Power System Operation and Dynamics, Expert Systems, Transient Studies and Application of power electronics converters in power systems. (Electrical Engineering Department, Faculty of Engineering, Kashan University, Kashan/Iran, Phone: +98 361 555 333, Fax: +98 361 552 930, E-mail: aketabi@kashanu.ac.ir)

  2. ‡

    Ali Mohammad Ranjbar (1943) received the MSc and PhD degrees in Electrical Engineering from Tehran University in 1967 and Imperial College of London University in 1975, respectively. Since then, he has been at Sharif University of Technology. Department of Electrical Engineering, where he is currently a full professor. Dr. Ranjbar is the Editor-in-Chief of the Journal of Electrical Science and Technology since 1989 and the Director of Niroo Research Institute since 1996, too. His main research interests are in the areas of electric power systems protection and operation, and Electrical Machines. (Department of Electrical Engineering, Sharif University of Technology, P.O.Box 11365–9363, Tehran/Iran, Phone: +98216005317, Fax: +98216019568, E-mail: ranjbar@sina.sharif.ac.ir)

  3. §

    René Feuillet (1953) received his Dr. Eng. Degree in Electrical Engineering from INPG in 1979. In 1991, he received the degree of “Habilitation à Diriger des Recherches” from the same institute. From 1979 to 1998, he has been appointed as Assistant Professor at the National Electrical Engineering School of Grenoble (EN-SIEG), France, and since 1998 he served as a full professor at the same institute. His research activities in LEG include modeling of power electronics converters and interference perturbations on power networks and components. (Laboratoire d'Electro-technique de Grenoble, INPG/ENSIEG, BP 46, 38402 Saint Martin d'Hères, Cedex/France, Phone: +33476826385, Fax: +33476826300, E-mail: Rene.Feuillet @leg.ensieg.inpg.fr)

Publication History

  1. Issue published online: 22 MAR 2007
  2. Article first published online: 22 MAR 2007
  3. Manuscript Received: 23 OCT 2000

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Abstract

During power system restoration, it is necessary to check the phase angle between two buses before closing circuit breakers to connect a line between them. These angles may occur across a tie line between two systems or between two connected subsystems within a system. In case of large Standing Phase Angle (SPA) difference the synchro-check relay does not allow closing of the breaker for this line. Therefore, this excessive SPA has to be reduced before attempting to connect the line. In this paper a new and fast method for reducing SPA is presented. For this purpose, the standing phase angle difference between two specific buses is represented in terms of sensitivity factors associated with the change in active power generations and consumption at the buses. Then, the proposed method reschedule generation of selected units or shed load of selected buses to reduce excessive SPA difference between two buses based on sensitivity factors.

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