Journal of international Conference on Electrical Machines and Systems

Journal of International Conference on Electrical Machines and Systems (대한전기학회 분과)
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Study on Generation of Harmonic Voltage using Synchronous Machine with d- and q-axis Harmonic Field Windings - Part 2

  • Mukai, Eiichi (Dept. of Computer and Information Science, Sojo University) ;
  • Fukai, Sumio (Dept. of Electrical and Electronics Engineering, Saga University) ;
  • Kakinoki, Toshio (Dept. of Computer and Information Science, Sojo University) ;
  • Yamaguchi, Hitoshi (Dept. of Computer and Information Science, Sojo University) ;
  • Kimura, Yoshimasa (Dept. of Computer and Information Science, Sojo University)
  • Received : 2014.04.20
  • Accepted : 2014.04.23
  • Published : 2014.06.01
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Abstract

We investigated the harmonic voltages generated by a synchronous machine adding d-axis and q-axis harmonic field windings to reduce the harmonics in a power line. First, electronic circuits such as a frequency multiplier, band-pass filter, and phase shifter were newly designed and made to carry out the experiment. Next, an experimental circuit, for which an AC voltage of frequency 6f synchronized to the power line voltage of frequency f could be obtained, was constructed to examine the generation of harmonic voltage in more detail. Finally, an experiment involving the generation of harmonic voltage was performed using an experimental synchronous generator with harmonic windings in the d-axis and q-axis. In this paper, the power spectrum and the waveforms of the harmonic voltages in the armature winding are presented. Moreover, the values calculated from theoretical expressions of harmonic voltages in armature winding are compared with the values obtained by the experiment.

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References

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