A novel 12‐pulse full‐wave rectifier with simple circuit configuration,International Journal of Circuit Theory and Applications

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A novel 12‐pulse full‐wave rectifier with simple circuit configuration
International Journal of Circuit Theory and Applications ( IF 1.8 ) Pub Date : 2020-07-26 , DOI: 10.1002/cta.2837
Jingfang Wang ₁ , Xuliang Yao ₁ , Qi Guan ₁ , Shiyan Yang ₂

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In this paper, a novel full‐wave 12‐pulse rectifier with simple circuit configuration is proposed. The proposed full‐wave 12‐pulse rectifier consists of a conventional six‐pulse full‐wave rectifier and an auxiliary single‐phase full‐bridge rectifier (ASFR). The ASFR extracts a rectangular current from the DC side of the rectifier to increase the output states of two three‐phase half‐wave rectifiers, then the conventional six‐pulse full‐wave rectifier is upgraded to a 12‐pulse full‐wave rectifier in accordance with the current relationship between AC and DC sides and the relationship between DC‐side voltages. Since only a low‐capacity ASFR (6.3% P_d) is needed, the proposed 12‐pulse rectifier has the least number of components count, making it robust and simple to implement. The average output current of ASFR is only 6.7% of the load current, which makes it more suitable for low‐voltage and high‐current applications. A prototype with a power of 1 kW is built to verify the correctness of the theoretical analysis.

中文翻译：

具有简单电路配置的新型12脉冲全波整流器

本文提出了一种具有简单电路配置的新型全波12脉冲整流器。拟议的全波12脉冲整流器包括一个常规的六脉冲全波整流器和一个辅助单相全桥整流器（ASFR）。ASFR从整流器的直流侧提取矩形电流，以增加两个三相半波整流器的输出状态，然后将传统的六脉冲全波整流器升级为12脉冲全波整流器。根据交流和直流侧之间的电流关系以及直流侧电压之间的关系。由于只有低容量的ASFR（6.3％P _d）是必需的，建议的12脉冲整流器具有最少的组件数量，使其功能强大且易于实现。ASFR的平均输出电流仅为负载电流的6.7％，这使其更适合于低电压和高电流应用。构建了功率为1 kW的原型，以验证理论分析的正确性。

更新日期：2020-07-26

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