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An Alternative Approach to Locating Voltage Sag Source Side at the Point of Common Coupling Based on Power-Flow Information

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Abstract

This paper proposes a new approach capable of locating the voltage sag source side in the power grid based on power-flow behavior at the common coupling point. Measuring the phase voltages and the phase currents flowing at the interested systems interconnection point, the proposed approach is a suitable solution to locate the side of symmetrical and asymmetrical voltage sag source using a set of Boolean logics. A comparative analysis is performed between the best distance relay fault locator method and the proposed approach after being assessed through a simulated case study in a Brazilian utility and industrial systems. Each simulated system has a distributed generation, active loads and power flowing at any directions. The novelty proposal is justified by the simplicity and robustness. Theoretical analysis and simulation have verified its effectiveness.

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Acknowledgments

The authors acknowledge the financial support from FAPEMIG, CAPES, CNPq, INERGE and CERIn for sponsoring this research.

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Authors and Affiliations

  1. Federal University of Itajubá, Itajubá, MG, Brazil

    Frederico Oliveira Passos, José Maria de Carvalho Filho, Paulo Márcio da Silveira & Paulo Fernando Ribeiro

  2. Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil

    Roberto Chouhy Leborgne

Authors
  1. Frederico Oliveira Passos
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  2. José Maria de Carvalho Filho
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  3. Roberto Chouhy Leborgne
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  4. Paulo Márcio da Silveira
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  5. Paulo Fernando Ribeiro
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Corresponding author

Correspondence to Frederico Oliveira Passos.

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Passos, F.O., de Carvalho Filho, J.M., Leborgne, R.C. et al. An Alternative Approach to Locating Voltage Sag Source Side at the Point of Common Coupling Based on Power-Flow Information. J Control Autom Electr Syst 26, 579–587 (2015). https://doi.org/10.1007/s40313-015-0199-x

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  • DOI: https://doi.org/10.1007/s40313-015-0199-x

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