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Brushless wound rotor synchronous machine with third-harmonic field excitation

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Abstract

This manuscript discusses a novel harmonic current excitation technique for a wound rotor synchronous machine based on control of the time harmonic magneto-motive force (MMF) for brushless operation. Two inverters are used to feed the armature winding in such a way that at a time, one inverter supplies the current to armature winding. The two inverters are 180° phase-shifted. The inverter assignment is based on time-division multiplexing technique to generate continuous armature currents containing reasonable third-harmonic component beside fundamental component. This third-harmonic current component generates pulsating MMF and is induced in the rotor harmonic winding; the induced current is rectified and applied to rotor field winding to generate rotor field. The rotor field interacts with armature fundamental current component for torque generation. Finite element analysis is performed to verify the idea.

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Funding

This work was supported by the Korea Institute of Energy Technology Evaluation and Planning (KETEP) and the Ministry of Trade, Industry & Energy (MOTIE) of the Republic of Korea (No. 20174030201780), and in part by the BK21PLUS Program through the National Research Foundation of Korea within the Ministry of Education.

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Authors and Affiliations

  1. Department of Electronic Systems Engineering, Hanyang University, ERICA Campus, Ansan, South Korea

    Muhammad Ayub, Ghulam Jawad Sirewal & Byung-il Kwon

  2. Department of Electrical Engineering, Sukkur IBA University, Sukkur, Sindh, Pakistan

    Syed Sabir Hussain Bukhari

Authors
  1. Muhammad Ayub
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  2. Ghulam Jawad Sirewal
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  3. Syed Sabir Hussain Bukhari
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  4. Byung-il Kwon
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Corresponding author

Correspondence to Byung-il Kwon.

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Ayub, M., Sirewal, G.J., Bukhari, S.S.H. et al. Brushless wound rotor synchronous machine with third-harmonic field excitation. Electr Eng 102, 259–265 (2020). https://doi.org/10.1007/s00202-019-00868-9

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  • DOI: https://doi.org/10.1007/s00202-019-00868-9

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