A New Unity Power Factor Rectifier System using an Active Waveshaping Technique

Se-Wan Choi; Young-Sang Bae

A New Unity Power Factor Rectifier System using an Active Waveshaping Technique

Se-Wan Choi

Young-Sang Bae

Vol. 9, No. 2, pp. 173-179, Mar. 2009

10.6113/JPE.2009.9.2.173

Permanent magnet synchronous motor

Parameter measurement

P-Q circle diagram

Iron loss diode rectifier

Waveshaping

Three-phase power factor correction

Polyphase transformer

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Abstract

This paper proposes a new three-phase diode rectifier system with a sinusoidal input current at unity power factor and a regulated and isolated output voltage at low level. The inherent natural wave-shaping capability of the reduced kVA polyphase transformer together with an active current wave-shaping technique results in a significant reduction of input and output filter requirements associated with switching ripple and EMI. The operation principles are described along with a design example and a comparative evaluation. Experimental results on a 1.5kW prototype are provided to validate the proposed concept.

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Cite this article

[IEEE Style]

S. Choi and Y. Bae, "A New Unity Power Factor Rectifier System using an Active Waveshaping Technique," Journal of Power Electronics, vol. 9, no. 2, pp. 173-179, 2009. DOI: 10.6113/JPE.2009.9.2.173.

[ACM Style]

Se-Wan Choi and Young-Sang Bae. 2009. A New Unity Power Factor Rectifier System using an Active Waveshaping Technique. Journal of Power Electronics, 9, 2, (2009), 173-179. DOI: 10.6113/JPE.2009.9.2.173.