Reviewing Processing Algorithm Adopted in Power System Harmonics Measurement

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Thip Manmek


Harmonics measurement in power system plays an important part in measuring and improving power quality. Many methods have been proposed to determine the amplitude and phase of fundamental and harmonic components of time-varying waveform. As this information is essential in several applications including protection, control and monitoring in power system. The three basic considerations when selecting the suitable method are; the response time, implementation complexity and accuracy. This paper presents a brief review of different advanced signal processing techniques proposed for used in power systems applications. The basic requirements of harmonic measurements in power system are generally described. The method applied for measuring harmonics are analyzed and discussed.

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