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High-Voltage Measurement Infrastructure Based on Optical Technology for Transmission Lines

Author

Listed:
  • Mauro Augusto da Rosa

    (Department of Electrical and Electronic Engineering, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil
    INESC P&D Brasil, Santos 11055-300, SP, Brazil)

  • Clayrton Monteiro Henrique

    (Department of Electrical and Electronic Engineering, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil
    INESC P&D Brasil, Santos 11055-300, SP, Brazil
    Department of Telecommunications, Federal Institute of Santa Catarina, São José 88103-310, SC, Brazil)

  • Gabriel Santos Bolacell

    (Department of Electrical and Electronic Engineering, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil
    INESC P&D Brasil, Santos 11055-300, SP, Brazil)

  • Hermes Irineu Del Monego

    (INESC P&D Brasil, Santos 11055-300, SP, Brazil
    Department of Electronics, Federal University of Technology—Paraná, Curitiba 80230-901, PR, Brazil)

  • Paulo César Rodrigues de Lima Junior

    (INESC P&D Brasil, Santos 11055-300, SP, Brazil
    Civil Engineering Department, Federal University of San Francisco Valley, Juazeiro 48902-300, BA, Brazil)

Abstract

This paper introduces a singular measurement infrastructure for real-time monitoring of transmission lines, applied to a 230 kV section of the Brazilian grid. The system aimed to expand the scope of monitoring variables using new concepts of optical sensing. Thus, variables are captured not only in the electrical domain but also in the mechanical, thermal, and environmental domains through optical technologies and meteorological measurement sensors strategically positioned along the transmission line. The system relies on new features, including a high-voltage polymeric insulator instrumentalized with optical fiber sensors to measure line electrical current, conductor temperature, mechanical strain, and an electro-optical signal processing unit fed by a solar system. The correlations between the monitored variables provide more complete information about what happens in the transmission line compared to the analysis of purely electrical quantities. For instance, the Spearman coefficient of 0.9909 highlights the strong correlation between anchoring force and ambient temperature. This new way of monitoring systems opens the doors to a multivariate power system analysis.

Suggested Citation

  • Mauro Augusto da Rosa & Clayrton Monteiro Henrique & Gabriel Santos Bolacell & Hermes Irineu Del Monego & Paulo César Rodrigues de Lima Junior, 2025. "High-Voltage Measurement Infrastructure Based on Optical Technology for Transmission Lines," Energies, MDPI, vol. 18(4), pages 1-16, February.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:4:p:830-:d:1588376
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    References listed on IDEAS

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    1. Di Silvestre, Maria Luisa & Favuzza, Salvatore & Riva Sanseverino, Eleonora & Zizzo, Gaetano, 2018. "How Decarbonization, Digitalization and Decentralization are changing key power infrastructures," Renewable and Sustainable Energy Reviews, Elsevier, vol. 93(C), pages 483-498.
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