Considering FACTS in Optimal Transmission Expansion Planning


  • K. Soleimani Electrical Engineering Department, Shahid Chamran University of Ahvaz, Ahvaz, Iran
  • J. Mazloum Electrical Engineering Department, Shahid Sattari Aeronautical University of Science and Technology, Tehran, Iran
Volume: 7 | Issue: 5 | Pages: 1987-1995 | October 2017 |


The expansion of power transmission systems is an important part of the expansion of power systems that requires enormous investment costs. Since the construction of new transmission lines is very expensive, it is necessary to choose the most efficient expansion plan that ensures system security with a minimal number of new lines. In this paper, the role of Flexible AC Transmission System (FACTS) devices in the effective operation and expansion planning of transmission systems is examined. Effort was taken to implement a method based on sensitivity analysis to select the optimal number and location of FACTS devices, lines and other elements of the transmission system. Using this method, the transmission expansion plan for a 9 and a 39 bus power system was performed with and without the presence of FACTS with the use of DPL environment in Digsilent software 15.1. Results show that the use of these devices reduces the need for new transmission lines and minimizes the investment cost.


transmission, expansion, FACTS, 9 bus, 39 bus, DPL


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How to Cite

K. Soleimani and J. Mazloum, “Considering FACTS in Optimal Transmission Expansion Planning”, Eng. Technol. Appl. Sci. Res., vol. 7, no. 5, pp. 1987–1995, Oct. 2017.


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