Closed-Loop Sinusoidal Input-Current Shaping of 12-Pulse Autotransformer Rectifier Unit With Impressed Output Voltage

被引：28

作者：

Biela, Juergen ^{[1
]}

Hassler, Dominik ^{[1
]}

Schoenberger, John ^{[2
]}

Kolar, Johann W. ^{[1
]}

机构：

[1] Swiss Fed Inst Technol, Power Elect Syst Lab, CH-8092 Zurich, Switzerland

[2] Plexim GmbH, CH-8005 Zurich, Switzerland

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2011年 / 26卷 / 01期

关键词：

12-pulse rectifier; closed-loop current control; space-vector modulation; AC-DC CONVERTER; DIODE RECTIFIER; 3-PHASE;

D O I：

10.1109/TPEL.2010.2052633

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a novel closed-loop current-control strategy for a hybrid 12-pulse rectifier that uses a two-switch boost stage for output-voltage regulation. Unlike previous attempts to mitigate input-current distortion, e. g., by modulating the rectifier output voltage with open-loop control, this new closed-loop current-control scheme directly controls the line-interphase-transformer input voltage and/or impresses sinusoidal input currents. In this paper, the control strategy is explained and the modulation functions for each (mu/6)-wide mains voltage sector are derived. The hardware implementation is described, and experimental results demonstrate that the control strategy ensures a high-quality input current for ideal as well as for distorted/unbalanced mains.

引用

页码：249 / 259

页数：11

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