Real world optimal UPFC placement and its impact on reliability

  • Authors:

  • Ahmed M. Othman;Exander Gaun;Matti Lehtonen;Mahdi El-Arini

  • Affiliations:

  • Electrical Power Sys., HUT University, Espoo, Finland;Electrical Power Sys., Graz University of Techno., Graz, Austria;Electrical Power Sys., HUT University, Espoo, Finland;Electrical Power Sys., Zagazig University, Zagazig, El-Sharkia, Egypt

  • Venue:
  • EE'10 Proceedings of the 5th IASME/WSEAS international conference on Energy & environment
  • Year:
  • 2010

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Abstract

UPFC allows simultaneous control of active power flow, reactive power flow, and voltage magnitude at the UPFC terminals. These characteristics give UPFC the capability to enhance the performance of the power system during various operating conditions. In this paper, a Genetic Algorithm (GA) is used to find the optimal location and the optimal UPFC settings to enhance the transmission lines overloading issue. Additionally the outage cost of the power system is used to verify the impact of the optimized UPFC on reliability. The application of this procedure is proposed on a real world 110-kV sub transmission network with operating conditions of the present year and the year 2020. The results show a network with improved overloading issue while maintaining the same level of reliability in terms of outage costs.