Technique for Reactive Loss Reduction and Loading Margin Enhancement Using the Curves of Losses versus Voltage Magnitude

Guilherme Barbosa Lima, Alfredo Bonini Neto, Dilson Amancio Alves, Carlos Roberto Minussi (), Estélio da Silva Amorim and Luiz Carlos Pereira da Silva
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Guilherme Barbosa Lima: School of Engineering, São Paulo State University (Unesp), Ilha Solteira 15385-000, Brazil
Alfredo Bonini Neto: School of Sciences and Engineering, São Paulo State University (Unesp), Tupã 17602-496, Brazil
Dilson Amancio Alves: School of Engineering, São Paulo State University (Unesp), Ilha Solteira 15385-000, Brazil
Carlos Roberto Minussi: School of Engineering, São Paulo State University (Unesp), Ilha Solteira 15385-000, Brazil
Estélio da Silva Amorim: Federal Institute of Education, Science, and Technology (IFMS), Três Lagoas 79641-162, Brazil
Luiz Carlos Pereira da Silva: School of Electrical and Computer Engineering, State University of Campinas (Unicamp), Campinas 13083-970, Brazil

Energies, 2023, vol. 16, issue 16, 1-21

Abstract: This paper presents an alternative methodology to obtain the precise amount of shunt reactive power compensation in order to simultaneously reduce the total reactive power losses, improve the voltage profile and increase the loading margin of power systems. The amount of shunt reactive power compensation to be allocated is determined based on the curve of the total reactive power losses versus the voltage magnitude of a chosen bus. The best places for shunt reactive compensation are defined by the load bus participation factors of the critical mode provided by the static modal analysis. Simulation results employing shunt capacitors obtained with the new approach for the IEEE test systems (14, 57 and 300 buses) show that the procedure leads to a reduction in total reactive and active power losses and simultaneously improves the voltage profile and loading margin.

Keywords: continuation power flow; V-Q curves; steady-state modal analysis; steady-state voltage stability; loading margin; loss reduction (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: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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