使用二极管箝位线性放大器的无滤波器无emi功率变换器

2009 Twenty-Fourth Annual IEEE Applied Power Electronics Conference and Exposition Pub Date : 2009-03-21 DOI:10.1109/APEC.2009.4802920

N. Yamashita, H. Fujita

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引用次数: 9

摘要

本文提出了一种不含交流电感和电磁干扰滤波器的新型电机驱动系统功率变换器。该电路的主电路由一个二极管去管线性放大器(DCLA)和直流电压均衡电路组成。直流电压均衡电路由串联的开关电容转换器组成，可以使用二极管整流器作为其电源。提出了一种零序电压控制方法，扩大了输出电压范围，降低了有功运行的理论功率损耗。实验结果表明，该器件的效率高达94.7%，具有低导电性电磁干扰发射，足以满足IEC61800-3 C1类标准。

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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A Filter-Less EMI-Free Power Converter Using a Diode-Clamped Linear Amplifier

This paper proposes a new power converter for motor drive systems without any ac inductor nor EMI filter. The main circuit of the proposed circuit consists of a diodeclamped linear amplifier (DCLA) and a dc-voltage equalizing circuit. The dc-voltage equalizing circuit consists of a series-connected switched capacitor converter enabling to use a diode rectifier as its power supply. A zero-sequence voltage control method is introduced to expand the output voltage range as well as to reduce the theoretical power loss caused by an active-state operation. As a result, experimental results exhibit a high efficiency of 94.7% and a low conductive EMI emission adequate to meet the IEC61800-3 Category C1.

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2009 Twenty-Fourth Annual IEEE Applied Power Electronics Conference and Exposition

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