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Development of a Three-Phase Harmonic Measuring Instrument for Power Systems



Development of a Three-Phase Harmonic Measuring Instrument for Power Systems 

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Abstract: In the developed three-phase harmonic analyzer for power systems, an advanced harmonic analysis algorithm is adopted, and a voltage conversion device that can reduce measurement signal distortion is designed. The paper analyzes and analyzes the interpolated FFT algorithm with Hanning window function. This algorithm overcomes spectral leakage, improves measurement accuracy, and can accurately calculate the frequency, amplitude, and phase of each harmonic. The voltage signal conversion device converts high voltage into low voltage signals suitable for measurement. Due to the adoption of the principle of resistive voltage division, better frequency... View all>>

doi：

10.7666/d.Y229378

Keywords：

Power system harmonic distortion rate voltage conversion insulated measuring rod

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