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EMC of Wideband Power Sources

Author

Listed:
  • Dariusz Brodecki

    (Institute of Mechatronics and Information Systems, Lodz University of Technology, 90-924 Lodz, Poland)

  • Ernest Stano

    (Institute of Mechatronics and Information Systems, Lodz University of Technology, 90-924 Lodz, Poland)

  • Mateusz Andrychowicz

    (Institute of Mechatronics and Information Systems, Lodz University of Technology, 90-924 Lodz, Poland)

  • Piotr Kaczmarek

    (Institute of Mechatronics and Information Systems, Lodz University of Technology, 90-924 Lodz, Poland)

Abstract

In this paper the results of the EMC tests of the wideband power sources: the PWM-based power source and audio power amplifier are discussed. They are intended to be used to supply the measuring system developed for evaluation of the wideband transformation accuracy of instrument transformers. Therefore, it is required to detect possible interferences that may be caused by the power supply to its operation and that may cause a decrease in its accuracy. The tests concern the conducted emission in the frequencies range from 150 kHz to 30 MHz and the radiated emission in the frequencies range from 30 MHz to 1 GHz. Moreover, the level of conducted disturbances in frequencies range from 100 Hz to 5 kHz generated into the supplying current is measured and the immunity of both wideband power sources to low frequency conductive disturbances in the supplying voltage and current is tested. Then, the voltage gain error and phase shift of the output voltage are measured. The EMC tests of both power sources show lack of compliance with the requirement of the standard IEC 61326-1. However, in system application of the audio power amplifier is possible if required increased immunity to conducted emission of the measuring system is ensured.

Suggested Citation

  • Dariusz Brodecki & Ernest Stano & Mateusz Andrychowicz & Piotr Kaczmarek, 2021. "EMC of Wideband Power Sources," Energies, MDPI, vol. 14(5), pages 1-14, March.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:5:p:1457-:d:512310
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    References listed on IDEAS

    as
    1. Goran Petrovic & Juraj Alojzije Bosnic & Goran Majic & Marin Despalatovic, 2019. "A Design of PWM Controlled Calibrator of Non-Sinusoidal Voltage Waveforms," Energies, MDPI, vol. 12(10), pages 1-14, May.
    2. 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.
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    Citations

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    Cited by:

    1. 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.
    2. 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.
    3. 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.
    4. 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.
    5. Michal Kaczmarek & Ernest Stano, 2021. "Application of the Sinusoidal Voltage for Detection of the Resonance in Inductive Voltage Transformers," Energies, MDPI, vol. 14(21), pages 1-16, October.
    6. Michal Kaczmarek, 2022. "Two Channels Opto-Isolation Circuit for Measurements of the Differential Voltage of Voltage Transformers and Dividers," Energies, MDPI, vol. 15(7), pages 1-15, April.

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