Technique for Reactive Loss Reduction and Loading Margin Enhancement Using the Curves of Losses versus Voltage Magnitude
Author:
Lima Guilherme Barbosa1, Bonini Neto Alfredo2ORCID, Alves Dilson Amancio1, Minussi Carlos Roberto1, da Silva Amorim Estélio3, da Silva Luiz Carlos Pereira4
Affiliation:
1. School of Engineering, São Paulo State University (Unesp), Ilha Solteira 15385-000, Brazil 2. School of Sciences and Engineering, São Paulo State University (Unesp), Tupã 17602-496, Brazil 3. Federal Institute of Education, Science, and Technology (IFMS), Três Lagoas 79641-162, Brazil 4. School of Electrical and Computer Engineering, State University of Campinas (Unicamp), Campinas 13083-970, Brazil
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.
Subject
Energy (miscellaneous),Energy Engineering and Power Technology,Renewable Energy, Sustainability and the Environment,Electrical and Electronic Engineering,Control and Optimization,Engineering (miscellaneous),Building and Construction
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