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A Novel Protecting Method for Motor's Over Current

机译:一种用于电流电流的新型保护方法

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摘要

A novel protecting method for motor's over current is introduced, the most important characteristic of this method is that the value of resistance of each phase calculated is adopted as the criterion whether the protecting device acts and provides protection or not. PIC16F877 is adopted as the center of the hardware circuit, the other related circuits and programs are designed, and Fast Fourier Transform (FFT) is adopted to calculate the value of resistance of each phase.
机译:介绍了一种用于电动机过电流的新型保护方法,该方法的最重要特征是,所计算的每个相位的电阻值被采用作为保护装置是否作用和提供保护。 PIC16F877采用作为硬件电路的中心,设计了其他相关电路和程序,采用了快速傅里叶变换(FFT)来计算每个阶段的电阻值。

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