Power Quality Improvement by Using a 15-Degree Phase Shifting Transformer for 24-Pulse Rectifiers

Authors

  • ไพบูลย์ เกียรติสุขคณาธร
  • นภัทร วัจนเทพินทร์

Keywords:

Rectifier, Phase shifting transformer, Power quality, Harmonic, Ripple

Abstract

              Rectifiers in a font-end of inverters for motor drive system are a non-linear load widely used for industries. These rectifiers do affect the power quality in power system due to high input current harmonic and high output voltage ripple. This paper presents power quality improvement by using a phase shifting transformer for rectifiers. In this paper, a 15-degree phase shifting transformer is applied for a 24-pulse rectifier to reduce the harmonic currents and the ripple of output voltage. Moreover, the analysis of phase angle with reduction of primary and secondary order harmonic currents is also shown. The simulation and experimental results reveal that the proposed method can reduce less than 5% of the total harmonic distortion of currents and less than 0.5% of the ripple of output voltages without capacitor filters.

References

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Published

2020-06-22

How to Cite

[1]
เกียรติสุขคณาธร ไ. . . . and วัจนเทพินทร์ น. . ., “Power Quality Improvement by Using a 15-Degree Phase Shifting Transformer for 24-Pulse Rectifiers ”, Eng. & Technol. Horiz., vol. 34, no. 1, pp. 9–16, Jun. 2020.

Issue

Vol. 34 No. 1 (2017): January - March

Section

Research Articles

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