交流驱动直接变频的替代方案

ISIE '93 - Budapest: IEEE International Symposium on Industrial Electronics Conference Proceedings Pub Date : 1993-06-01 DOI:10.1109/ISIE.1993.268765

L. Ribickis, M. Liepiņš, L. Rutmanis, J. Stabulnieks

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引用次数: 3

摘要

提出了一种理想正弦变换过程的实逼近方法。这使得线换向直接变频器的输出频率范围可以扩展到输入频率的值。这是通过应用低频值正弦调制函数和用接近的输入电压电平间隔替换输入电压和调制函数乘积来实现的。在最简单的六晶闸管电路方面，这种频率转换的一个例子被认为是风扇驱动器

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Alternative solution of direct frequency conversion for AC drives

A new approach to real approximation of an ideal sinusoidal frequency conversion process is put forward. This enables the output frequency range of line-commutated direct frequency converters to be expanded up to the value of input frequency. This is achieved by the application of a low frequency value sinusoidal modulating function and the replacement of input voltage and modulating function product with approaching input voltage level intervals. An example of this frequency conversion in terms of the simplest six thyristor circuit is considered for a fan drive.<>

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ISIE '93 - Budapest: IEEE International Symposium on Industrial Electronics Conference Proceedings

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