Identification of harmonic source location in power distribution network
Abstract
This paper presents the experimental set-up of identification of harmonic source location in the power distribution network using time-frequency analysis, known as S-transform (ST) at the point of common coupling (PCC). S-transform offers high frequency resolution in analyzing the low frequency component and able to represent signal parameters in time-frequency representation (TFR) such as TFR impedance (ZTFR). The proposed method is based on IEEE Std. 1459-2010, ST, and the significant relationship of spectral impedances components (ZS) that been extracted from the ZTFR, consist of the fundamental impedance (Z1) and harmonic impedance (Zh). This experiment was conducted out on an IEEE 4-bus test feeder with a harmonic producing load in numerous different scenarios. The experimental was tested and verified for three consecutive months. The findings of this study reveal that the proposed method provides 100 percent correct identification of harmonic source location.
Keywords
Harmonic source location; Spectral impedance; S-transform; Time-frequency distribution; Time-frequency representation impedance
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PDFDOI: http://doi.org/10.11591/ijpeds.v13.i2.pp938-949
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Copyright (c) 2022 Mohd Hatta Jopri, Aleksandr Skamyin, Mustafa Manap, Tole Sutikno, Mohd Riduan Mohd Shariff, Aleksey Belsky
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