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Licensed Unlicensed Requires Authentication Published by De Gruyter October 3, 2022

A review on optimal UPFC device placement in electric power systems

Yasser M. Ammar EMAIL logo , Adel A. Elbaset , Ahmed S. Adail , Sayed E.L. Araby and Alaa A. Saleh
From the journal Kerntechnik


UPFC device is discussed in this paper along with their models and functions. Moreover, the suggested and the complementally approaches in the current research study. As a result, the methods are divided into three divisions, which are sensitivity analysis based methods, conventional optimization based methods and artificial intelligence (AI) based methods. In addition, artificial intelligence based methods plays a major role in reducing the search space region. However, to optimize the resulting benefits, the placement, sizing and parameter of UPFC device should be determined. This paper presents and discusses in depth an overall review of the last two decades’ studies, including proposed and comparative methods and strategies, approaches, objective functions, UPFC device tools utilized, limitations, contingency situations and all parameters evaluated and simulated. This paper also provides an analysis of UPFC’s various benefits and uses of power flow studies, such as, power loss mitigation, system load ability improvement, power system security, enhancement of voltage stability, cost of generation and UPFC installation and utilizing specific optimization techniques. Therefore, a more weighted overview of the proposed method is presented focused on artificial intelligence optimization methods.

Corresponding author: Yasser M. Ammar, Egypt Second Research Reactor (ETRR-2), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt, E-mail:

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: None declared.

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.


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Received: 2022-06-26
Published Online: 2022-10-03
Published in Print: 2022-12-16

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