带正弦波线路电流整形方案的电流馈电三相PWM变换器及其实用的输入滤波器设计过程

ISIE '97 Proceeding of the IEEE International Symposium on Industrial Electronics Pub Date : 1997-07-07 DOI:10.1109/ISIE.1997.648953

Y. Konishi, Y. Matsumoto, Y.L. Feng, M. Nakaoka

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引用次数: 1

摘要

本文介绍了在大容量电流源型有源PWM功率变换器中选择最佳PWM模式的新方法和低通滤波器的设计过程，用于抑制流入电网电源的高次谐波。使用500 kVA有源PWM功率变换器进行了可行的测试，该变换器是针对上述独特的考虑而设计的。验证了这些新的考虑是有效的，以尽量减少高谐波电流分量流入公用电网交流线路。此外，在单位功率因数校正和正弦波线路电流整形方案下，本实验工作提供了高效的AC/DC功率转换器特性。最后，本文指出，与传统的PWM调制相比，最佳PWM模式可以应用于电压源变换器，并且具有优异的开关性能。

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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Current-fed three phase PWM converter with sinewave line current shaping scheme and its practical input filter design procedure

This paper describes a new method to select the optimum PWM patterns and a procedure to design a low-pass filter in a large-capacity current-source-fed active PWM power converter which is used to suppress higher harmonics flowing into the utility-grid power source. A feasible test is carried out using a 500 kVA active PWM power converter designed for the unique considerations mentioned above. It is verified that these new considerations are effective to minimize higher harmonic current components flowing into the utility-grid AC line. Furthermore, this experimental work provides highly efficient AC/DC power converter characteristics under unity power factor correction and sinewave line current shaping schemes. Finally, this paper indicates that the optimum PWM pattern can be applied to the voltage source converter and has an excellent switching performance as compared with conventional PWM modulation.

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ISIE '97 Proceeding of the IEEE International Symposium on Industrial Electronics

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