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Dual-Inverter-Controlled Brushless Operation of Wound Rotor Synchronous Machines Based on an Open-Winding Pattern

Author

Listed:
  • Syed Sabir Hussain Bukhari

    (Department of Electrical Engineering, Sukkur IBA University, Sukkur, Sindh 65200, Pakistan
    School of Electrical and Electronics Engineering, Chung-Ang University, Seoul 06910, Korea)

  • Ghulam Jawad Sirewal

    (Department of Electronic Systems Engineering, Hanyang University, Ansan 426-791, Korea)

  • Faheem Akhtar Chachar

    (Department of Electrical Engineering, Sukkur IBA University, Sukkur, Sindh 65200, Pakistan)

  • Jong-Suk Ro

    (School of Electrical and Electronics Engineering, Chung-Ang University, Seoul 06910, Korea)

Abstract

In an open-winding machine, three-phase stator currents can be controlled such that the input armature currents may contain the third-harmonic current component in addition to the fundamental. Considering this attribute of open-winding patterns, a harmonic current field excitation technique for a wound rotor synchronous machine (WRSM) is proposed in this paper based on the control of time-harmonic magneto-motive force. Two inverters connected to both terminals of the stator winding are controlled so that the input armature current generates an additional third-harmonic current component. This third-harmonic component generates a vibrating magnetic field that induces a current in the specially designed rotor harmonic winding. The current is supplied as DC current to the rotor excitation winding to generate a rotor field by using a full-bridge diode rectifier in order to achieve brushless operation. The proposed dual-inverter-controlled brushless operation for a WRSM is executed in ANSYS Maxwell using 2-D finite element analysis to validate its operation and electromagnetic performance.

Suggested Citation

  • Syed Sabir Hussain Bukhari & Ghulam Jawad Sirewal & Faheem Akhtar Chachar & Jong-Suk Ro, 2020. "Dual-Inverter-Controlled Brushless Operation of Wound Rotor Synchronous Machines Based on an Open-Winding Pattern," Energies, MDPI, vol. 13(9), pages 1-13, May.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:9:p:2205-:d:353327
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    Citations

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    Cited by:

    1. Muhammad Humza & Tanveer Yazdan & Qasim Ali & Han-Wook Cho, 2023. "Brushless Operation of Wound-Rotor Synchronous Machine Based on Sub-Harmonic Excitation Technique Using Multi-Pole Stator Windings," Mathematics, MDPI, vol. 11(5), pages 1-16, February.
    2. Syed Sabir Hussain Bukhari & Qasim Ali & Jesús Doval-Gandoy & Jong-Suk Ro, 2021. "High-Efficient Brushless Wound Rotor Synchronous Machine Topology Based on Sub-Harmonic Field-Excitation Technique," Energies, MDPI, vol. 14(15), pages 1-17, July.
    3. Syed Sabir Hussain Bukhari & Fareed Hussain Mangi & Irfan Sami & Qasim Ali & Jong-Suk Ro, 2021. "High-Harmonic Injection-Based Brushless Wound Field Synchronous Machine Topology," Mathematics, MDPI, vol. 9(15), pages 1-16, July.

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