基于电流注入的p型12脉冲ATRU研究

Proceedings of The 7th International Power Electronics and Motion Control Conference Pub Date : 2012-06-02 DOI:10.1109/IPEMC.2012.6258841

Qianhong Chen, Lang Mao, X. Ren, X. Ruan, Leilei Jiang

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引用次数: 8

摘要

p型12脉冲自耦变压器整流装置(ATRU)由于其变压器的伏安额定值较其他多脉冲方法低，是一种非常有吸引力的航空谐波解决方案。然而，12脉冲ATRU的输入电流THD比相关标准要求的10% THD大15%左右。电流注入法是一种有效的12脉冲整流器谐波抑制方法。本文分析了p型12脉冲ATRU基于三角注入电流法的输入电流波形。文中还指出，利用相间电抗器的电压差获得所需注入电流的关键是模拟电阻器。本文推导了最佳等效注入电流电阻。提出并分析了一种基于DCM反激变换器的谐波注入方案。3台4kW p型12脉冲ATRU的实验结果验证了理论分析和谐波注入方法的有效性。

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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Research of the current-injection-based P-type 12-pulse ATRU

P-type 12-pulse auto-transformer rectifier unit (ATRU) is a very attractive harmonic solution in aviation situation for its lower volt-ampere rating of transformer compared with other multi-pulse methods. However, the input current THD of 12-pulse ATRU is about 15% larger than 10% THD requirement by the related standards. Current-injection method is an effective harmonic mitigation method for 12-pulse rectifiers. This paper analyzed the input current waveform based on triangle current-injection method for P-type 12-pulse ATRU. It also points that the key to get the required injection current taking use of the voltage difference across interphase reactors is to emulate a resistor. The optimum equivalent current injection resistance is derived in this paper. And a novel harmonic injection scheme based on DCM flyback converter is proposed and analyzed. Experimental results from three 4kW P-type 12-pulse ATRU testify the effectiveness of the theoretical analysis and the proposed harmonic injection method.

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Proceedings of The 7th International Power Electronics and Motion Control Conference

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