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Communication Characteristics of Faulted Overhead High Voltage Power Lines at Low Radio Frequencies

Author

Listed:
  • Nermin Suljanović

    (Faculty of Electrical Engineering, University of Tuzla, Franjevačka 2, 75000 Tuzla, Bosnia and Herzegovina)

  • Aljo Mujčić

    (Faculty of Electrical Engineering, University of Tuzla, Franjevačka 2, 75000 Tuzla, Bosnia and Herzegovina)

  • Matej Zajc

    (Faculty of Electrical Engineering, University of Ljubljana, Trzaška 25, SI-1000 Ljubljana, Slovenia)

Abstract

This paper derives a model of high-voltage overhead power line under fault conditions at low radio frequencies. The derived model is essential for design of communication systems to reliably transfer information over high voltage power lines. In addition, the model can also benefit advanced systems for power-line fault detection and classification exploiting the phenomenon of changed conditions on faulted power line, resulting in change of low radio frequency signal propagation. The methodology used in the paper is based on the multiconductor system analysis and propagation of electromagnetic waves over the power lines. The model for the high voltage power line under normal operation is validated using actual measurements obtained on 400 kV power line. The proposed model of faulted power lines extends the validated power-line model under normal operation. Simulation results are provided for typical power line faults and typical fault locations. Results clearly indicate sensitivity of power-line frequency response on different fault types.

Suggested Citation

  • Nermin Suljanović & Aljo Mujčić & Matej Zajc, 2017. "Communication Characteristics of Faulted Overhead High Voltage Power Lines at Low Radio Frequencies," Energies, MDPI, vol. 10(11), pages 1-24, November.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:11:p:1801-:d:118036
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    References listed on IDEAS

    as
    1. Jingjing Wang & Junhua Wang & Jianwei Shao & Jiangui Li, 2017. "Image Recognition of Icing Thickness on Power Transmission Lines Based on a Least Squares Hough Transform," Energies, MDPI, vol. 10(4), pages 1-15, March.
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