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New Sensor for Medium- and High-Voltage Measurement

Author

Listed:
  • Andrzej Wetula

    (Faculty of Electrical Engineering, Automatics, Computer Science and Biomedical Engineering, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Kraków, Poland
    All authors contributed equally to this work.)

  • Andrzej Bień

    (Faculty of Electrical Engineering, Automatics, Computer Science and Biomedical Engineering, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Kraków, Poland
    All authors contributed equally to this work.)

  • Mrunal Parekh

    (Division of Electromagnetic Engineering, KTH Royal Institute of Technology, Tekniringen 31, 100 44 Stockholm, Sweden
    All authors contributed equally to this work.)

Abstract

Measurements of medium and high voltages in a power grid are normally performed with large and bulky voltage transformers or capacitive dividers. Besides installation problems, these devices operate in a relatively narrow frequency band, which limits their usability in modern systems that are saturated with power electronic devices. A sensor that can be installed directly on a wire and can operate without a galvanic connection to the ground may be used as an alternative voltage measurement device. This type of voltage sensor can complement current sensors installed on a wire, forming a complete power acquisition system. This paper presents such a sensor. Our sensor is built using two dielectric elements with different permeability coefficients. A finite element method simulation is used to estimate the parameters of a constructed sensor. Besides simulations, a laboratory model of a sensor was built and tested in a medium-voltage substation. Our results provide a proof of concept for the presented sensor. Some errors in voltage reconstruction have been traced to an oversimplified data acquisition and transmission system, which has to be improved during the further development of the sensor.

Suggested Citation

  • Andrzej Wetula & Andrzej Bień & Mrunal Parekh, 2021. "New Sensor for Medium- and High-Voltage Measurement," Energies, MDPI, vol. 14(15), pages 1-12, July.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:15:p:4654-:d:605870
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    References listed on IDEAS

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    1. Wei Wang & Xueliang Huang & Linlin Tan & Jinpeng Guo & Han Liu, 2016. "Optimization Design of an Inductive Energy Harvesting Device for Wireless Power Supply System Overhead High-Voltage Power Lines," Energies, MDPI, vol. 9(4), pages 1-16, March.
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    Cited by:

    1. Xie, Haonan & Jiang, Meihui & Zhang, Dongdong & Goh, Hui Hwang & Ahmad, Tanveer & Liu, Hui & Liu, Tianhao & Wang, Shuyao & Wu, Thomas, 2023. "IntelliSense technology in the new power systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 177(C).
    2. Akhyurna Swain & Elmouatamid Abdellatif & Ahmed Mousa & Philip W. T. Pong, 2022. "Sensor Technologies for Transmission and Distribution Systems: A Review of the Latest Developments," Energies, MDPI, vol. 15(19), pages 1-37, October.

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