感应电动机功率因数的在线改进

Conference Record of the 1988 IEEE Industry Applications Society Annual Meeting Pub Date : 1988-10-02 DOI:10.1109/IAS.1988.25257

S. Haque, N. Malik, M. Smiai

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引用次数: 1

摘要

介绍了一种简单方案的设计与实现，以实现可变负载下单相和三相异步电动机的在线动态功率因数改进。该方案采用固定电容晶闸管控制电抗器型静态补偿器以及相关的控制电路。结果表明，在所有加载条件下，自动实现了几乎一致的功率因数。电源电流的波形几乎可以保持正弦。该方案对电机负载变化的响应时间相当合理。文中还详细介绍了这种动态功率因数补偿器的设计、实现、分析和运行。

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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Online power factor improvement of induction motors

A description is given of the design and implementation of a simple scheme to achieve online and dynamic power-factor improvement of single and three-phase induction motors subjected to variable loads. The proposed scheme uses a fixed-capacitor thyristor-controlled-reactor type of static compensator along with associated control circuits. The results show that under all loading conditions, a power factor of almost unity is achieved automatically. The waveform of supply current can be kept almost sinusoidal. The response time of the scheme to motor load changes is quite reasonable. Details regarding design, implementation, analysis and operation of such dynamic power-factor compensators are provides.<>

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Conference Record of the 1988 IEEE Industry Applications Society Annual Meeting

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