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Modulation Variants in DC Circuits of Power Rectifier Systems with Improved Quality of Energy Conversion—Part I

Author

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  • Tomasz Pajchrowski

    (Robotics and Electrical Engineering, Faculty of Control, Poznan University of Technology, 60-965 Poznań, Poland)

  • Michał Krystkowiak

    (Robotics and Electrical Engineering, Faculty of Control, Poznan University of Technology, 60-965 Poznań, Poland)

  • Dominik Matecki

    (Robotics and Electrical Engineering, Faculty of Control, Poznan University of Technology, 60-965 Poznań, Poland)

Abstract

The article presents various concepts of three-phase power rectifiers with improved quality of converted electric power. This effect is obtained by modulating the currents in the DC output circuits of the rectifiers by means of power electronics controlled voltage or current sources, working as a so-called voltage or current modulators. For further quality improvement of the grid currents of the analyzed systems, it was proposed to use an additional controlled current source connected in parallel to the DC load, hereinafter referred to as a supporting system. The original elaborated method of controlling this source (supporting system) was presented. The main goal of the work was to propose a solution for an effective method of improving the quality of energy conversion in rectifier systems, especially high power ones, by using controlled current sources in DC circuits, operating as the power electronics current modulator and the supporting system.

Suggested Citation

  • Tomasz Pajchrowski & Michał Krystkowiak & Dominik Matecki, 2021. "Modulation Variants in DC Circuits of Power Rectifier Systems with Improved Quality of Energy Conversion—Part I," Energies, MDPI, vol. 14(7), pages 1-18, March.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:7:p:1876-:d:526048
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    References listed on IDEAS

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    1. Yaroslav Shklyarskiy & Zbigniew Hanzelka & Aleksandr Skamyin, 2020. "Experimental Study of Harmonic Influence on Electrical Energy Metering," Energies, MDPI, vol. 13(21), pages 1-13, October.
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    Cited by:

    1. Piotr Micek & Dariusz Grzybek, 2022. "Impact of a Connection Structure of Macro Fiber Composite Patches on Energy Storage in Piezoelectric Energy Harvesting from a Rotating Shaft," Energies, MDPI, vol. 15(17), pages 1-15, August.
    2. Krzysztof Szabat & Tomasz Pajchrowski & Tomasz Tarczewski, 2021. "Modern Electrical Drives: Trends, Problems, and Challenges," Energies, MDPI, vol. 15(1), pages 1-4, December.
    3. Ruslan Saifulin & Tomasz Pajchrowski & Iosiff Breido, 2021. "A Buffer Power Source Based on a Supercapacitor for Starting an Induction Motor under Load," Energies, MDPI, vol. 14(16), pages 1-19, August.
    4. Matija Krznar & Danijel Pavković & Mihael Cipek & Juraj Benić, 2021. "Modeling, Controller Design and Simulation Groundwork on Multirotor Unmanned Aerial Vehicle Hybrid Power Unit," Energies, MDPI, vol. 14(21), pages 1-26, November.

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