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A Trans-Inverse Magnetic Coupling Single-Phase AC-AC Converter

Author

Listed:
  • Soroush Esmaeili

    (Department of Electrical Engineering, Mazandaran University of Science and Technology, Babol 47166-85635, Iran)

  • Kasra Ghobadi

    (Department of Electrical Engineering, Amirkabir University of Technology, Tehran 15916-34311, Iran)

  • Hassan Zare

    (Department of Electrical Engineering, Technical and Vocational University (TVU), Tehran 14357-61137, Iran)

  • Mohsin Jamil

    (Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John’s, NL A1B 3X5, Canada)

  • Ashraf Ali Khan

    (Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John’s, NL A1B 3X5, Canada)

  • Amin Mahmoudi

    (College of Science and Engineering, Flinders University, Adelaide 5042, Australia)

Abstract

This paper introduces a new single-phase AC-AC converter based on an impedance source circuit. Like the existing single-phase impedance source AC-AC converters, it has the buck-boost ability and direct ac conversion. The input and output voltage possesses the same ground, and the phase angle is maintained and reversed smoothly. The presented converter utilizes a coupled transformer which allows the designer to exploit the transformer’s turns ratio as a variable to attain the desired output voltage. Additionally, the used transformer provides an option to obtain higher voltage gain by decreasing the turns ratio. Hence, smaller size of the coupled inductors is required for the higher voltage cases. To eliminate the switching voltage and current spikes on the power switches, a safe commutation strategy is used instead of utilizing snubber circuits. Furthermore, the input current is continuous and sinusoidal with low harmonics thanks to embedding the input inductor in series with the input source. Additionally, a dynamic voltage restorer is presented based on the proposed converter to compensate the voltage sag and swell faults. Simulation results are provided to evaluate the theoretical analysis. Finally, a laboratory prototype has been fabricated to demonstrate the validation of the presented converter.

Suggested Citation

  • Soroush Esmaeili & Kasra Ghobadi & Hassan Zare & Mohsin Jamil & Ashraf Ali Khan & Amin Mahmoudi, 2022. "A Trans-Inverse Magnetic Coupling Single-Phase AC-AC Converter," Energies, MDPI, vol. 15(12), pages 1-25, June.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:12:p:4319-:d:837657
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    References listed on IDEAS

    as
    1. Naveed Ashraf & Ghulam Abbas & Nasim Ullah & Ahmad Aziz Al-Ahmadi & Abdul Rehman Yasin & Ahmed Bilal Awan & Mohsin Jamil, 2022. "A Transformerless AC-AC Converter with Improved Power Quality Employed to Step-Down Power Frequency at Output," Energies, MDPI, vol. 15(2), pages 1-20, January.
    2. Aryorad Khodaparast & Erfan Azimi & Ali Azimi & M. Ebrahim Adabi & Jafar Adabi & Edris Pouresmaeil, 2019. "A New Modular Multilevel Inverter Based on Step-Up Switched-Capacitor Modules," Energies, MDPI, vol. 12(3), pages 1-16, February.
    3. Ali Moghassemi & Sanjeevikumar Padmanaban, 2020. "Dynamic Voltage Restorer (DVR): A Comprehensive Review of Topologies, Power Converters, Control Methods, and Modified Configurations," Energies, MDPI, vol. 13(16), pages 1-38, August.
    Full references (including those not matched with items on IDEAS)

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