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The Performance of the High-Current Transformer during Operation in the Wide Frequencies Range

Author

Listed:
  • Michal Kaczmarek

    (Institute of Mechatronics and Information Systems, Lodz University of Technology, 90-537 Lodz, Poland)

  • Piotr Kaczmarek

    (Institute of Mechatronics and Information Systems, Lodz University of Technology, 90-537 Lodz, Poland)

  • Ernest Stano

    (Institute of Mechatronics and Information Systems, Lodz University of Technology, 90-537 Lodz, Poland)

Abstract

This paper presents the performance of the 26 kVA inductive high-current transformer ( HCT ) during operation in the frequencies range of transformed harmonics from 50 Hz to 5 kHz. Performed research concerns the determination of the possibility of obtaining an order of the higher harmonic of a given RMS value in its distorted output current for the required RMS value of the main component and the maximum safe instantaneous value of the input voltage equal to 400 V. The results are presented for serial, serial-parallel and parallel configurations of primary and secondary windings (9 cases). Therefore, the most favourable configuration of the primary and secondary windings sections may be chosen. The tests are performed for the transformation of the distorted current containing a fundamental component and one higher harmonic of order from the 5th changed by the 5 up to the 100th. The constant 10% higher harmonic level in relation to the main component of the distorted secondary current is set. The measurements are performed for different resistances and inductances of the secondary winding’s load resulting from the length of the connected current track.

Suggested Citation

  • Michal Kaczmarek & Piotr Kaczmarek & Ernest Stano, 2022. "The Performance of the High-Current Transformer during Operation in the Wide Frequencies Range," Energies, MDPI, vol. 15(19), pages 1-15, September.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:19:p:7208-:d:930467
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    References listed on IDEAS

    as
    1. Yang, Ting & Pen, Haibo & Wang, Dan & Wang, Zhaoxia, 2016. "Harmonic analysis in integrated energy system based on compressed sensing," Applied Energy, Elsevier, vol. 165(C), pages 583-591.
    2. Michal Kaczmarek & Artur Szczęsny & Ernest Stano, 2022. "Operation of the Electronic Current Transformer for Transformation of Distorted Current Higher Harmonics," Energies, MDPI, vol. 15(12), pages 1-10, June.
    3. Dariusz Brodecki & Ernest Stano & Mateusz Andrychowicz & Piotr Kaczmarek, 2021. "EMC of Wideband Power Sources," Energies, MDPI, vol. 14(5), pages 1-14, March.
    4. Michal Kaczmarek & Piotr Kaczmarek, 2020. "Comparison of the Wideband Power Sources Used to Supply Step-Up Current Transformers for Generation of Distorted Currents," Energies, MDPI, vol. 13(7), pages 1-15, April.
    5. Ernest Stano & Piotr Kaczmarek & Michal Kaczmarek, 2022. "Why Should We Test the Wideband Transformation Accuracy of Inductive Current Transformers?," Energies, MDPI, vol. 15(15), pages 1-12, August.
    6. Ernest Stano & Piotr Kaczmarek & Michal Kaczmarek, 2022. "Understanding the Frequency Characteristics of Current Error and Phase Displacement of the Corrected Inductive Current Transformer," Energies, MDPI, vol. 15(15), pages 1-16, July.
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    Cited by:

    1. Michal Kaczmarek & Ernest Stano, 2023. "Review of Measuring Methods, Setups and Conditions for Evaluation of the Inductive Instrument Transformers Accuracy for Transformation of Distorted Waveforms," Energies, MDPI, vol. 16(11), pages 1-17, May.

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