2008•Unpublished venueRequires access

Design of Power System Harmonic Measurement System Based on LabVIEW

Qiu Tang, Yaonan Wang, Siyu Guo

Abstract

Harmonic measurement plays an important part in power systems. In this paper, a brief introduction on sources and harms of harmonics is given. A harmonic measurement method based on interpolating windowed FFT is proposed and analyzed. According to the analytic results, a multifunctional virtual instrument system for harmonic measurement of voltage and current signals is designed and implemented in LabVIEW environment. Furthermore, the function of remote transfer of measured results is implemented using the AppletVIEW Toolkit in LabVIEW adopting a B/S framework. Measurement results show the feasibility and validity of the system.

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Available abstract

Key concepts: Harmonics, Harmonic, System of measurement, Virtual instrument, Harmonic analysis, Electronic engineering, Electric power system, Fast Fourier transform