Tuning of Controllers in Power Systems Using a Heuristic-Stochastic Approach

Humberto Verdejo, Rodrigo Torres, Victor Pino, Wolfgang Kliemann, Cristhian Becker and José Delpiano
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Humberto Verdejo: Department of Electrical Engineering, Universidad de Santiago de Chile, Santiago 9170124, Chile
Rodrigo Torres: Department of Electrical Engineering, Universidad de Santiago de Chile, Santiago 9170124, Chile
Victor Pino: Department of Electrical Engineering, Universidad de Santiago de Chile, Santiago 9170124, Chile
Wolfgang Kliemann: Department of Mathematics, Iowa State University, Ames, IA 50011, USA
Cristhian Becker: Department of Electrical Engineering, Universidad de Santiago de Chile, Santiago 9170124, Chile
José Delpiano: School of Engineering and Applied Sciences, Universidad de los Andes, Santiago 7620001, Chile

Energies, 2019, vol. 12, issue 12, 1-25

Abstract: A method is proposed to fit parameters of Power System Stabilizer controllers in electromechanical multimachine power systems. The use of the Non-dominated Sorting Genetic Algorithm II heuristic method and Tabu search is considered to be initial search criteria. These methods give an approximation of the values that define the controllers. Then, the stochastic approach was used to evaluate the behavior of the parameters found when considering the system’s response to the presence of random and self-sustained in-time disturbances that affect the response of the system under steady state. The stochastic approach allows the evaluation of the system’s response through the calculation of the cost of energy loss under steady state. The method is applied to two systems: a three-machine nine-busbar system, and the Interconnected System of the Greater North (Sistema Interconectado del Norte Grande) in Chile. For these systems, the proposed methodology effectively optimized the controllers and Tabu search was shown to have a better performance than the Non-dominated Sorting Genetic Algorithm II.

Keywords: heuristic search; stochastic system; power system stability; power system stabilizer (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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