Low harmonic 12-pulse rectifier with a circulating current shaping circuit

Authors

JINGFANG WANG
XULIANG YAO
QI GUAN
CHANGJI DENG
SHIYAN YANG

DOI

10.3906/elk-1907-204

Abstract

This paper proposes a four-star 12-pulse diode rectifier with a circulating current shaping circuit (CCSC) on the DC side to decrease the input current harmonics effectively. The type of circulating current that can eliminate the input current harmonics is analysed and its waveform parameters are derived. The effects of triangular circulating current on the harmonics of the input current are analysed, and the harmonic suppression mechanism of the triangular circulating current is revealed. This scheme has excellent harmonic suppression capability, and the capacity of CCSC is only 2.35% of output power of the 12-pulse rectifier. Thus, this scheme is cost effective for high power applications. The experimental results confirm the theoretical analysis and near sinusoidal input current is obtained.

Keywords

12-pulse diode rectifier, harmonic reduction, interphase reactor, circulating current

First Page

1355

Last Page

1370

Recommended Citation

WANG, JINGFANG; YAO, XULIANG; GUAN, QI; DENG, CHANGJI; and YANG, SHIYAN (2020) "Low harmonic 12-pulse rectifier with a circulating current shaping circuit," Turkish Journal of Electrical Engineering and Computer Sciences: Vol. 28: No. 3, Article 12. https://doi.org/10.3906/elk-1907-204
Available at: https://journals.tubitak.gov.tr/elektrik/vol28/iss3/12