12脉冲相位控制AC/DC变换器分析

Proceedings of the IEEE 1999 International Conference on Power Electronics and Drive Systems. PEDS'99 (Cat. No.99TH8475) Pub Date : 1999-07-27 DOI:10.1109/PEDS.1999.792804

T. Liang, Jiann-Fuh Chen, C. Chu, Kuen-Jyh Chen

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引用次数: 17

摘要

本文研究了12脉冲相位控制AC/DC变换器中的不平衡电流。12脉冲/spl Delta/-Y型AC/DC变换器在低耦合系数条件下能保持30/spl度/相移的平衡电压，而在低耦合系数条件下，12脉冲自耦移相AC/DC变换器会产生不平衡电流。对不平衡电流的相量进行了理论分析，设计了一种反馈控制器来克服这一问题。最后，实现了一个3kw的12脉冲自耦移相AC/DC变换器来验证理论分析。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Analysis of 12 pulse phase control AC/DC converter

In this paper, the unbalanced current in the 12-pulse phase control AC/DC converters was studied. The 12-pulse /spl Delta/-Y type AC/DC converter will keep a balanced voltage with 30/spl deg/ phase shifted at the low coupling coefficient condition, but an unbalanced current will be obtained in the 12-pulse autotransformer phase shift AC/DC converter at the low coupling coefficient condition. The theoretical phasor analysis of the unbalanced current was presented and a feedback controller was designed to overcome this problem. Finally, a 3 kW 12-pulse autotransformer phase shifted AC/DC converter was implemented to demonstrate the theoretical analysis.

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Proceedings of the IEEE 1999 International Conference on Power Electronics and Drive Systems. PEDS'99 (Cat. No.99TH8475)

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