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Evaluation and Analysis of Harmonic Distortion on 330kV Network Case Study Selected Sub-Region Nigerian Power System for Improve Power Quality

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  • S. L. Braide

    (Department of Electrical Engineering, Rivers State University, Nkpolu Oroworukwo, Port Harcourt, Rivers State, Nigeria)

Abstract

This paper presented fundamental characteristics of harmonic studies and its related work. The total harmonic distortion (THD) of the transmission line were computed using harmonics contents parameters of the waveform (harmonic voltage and impedance magnitude values). Results of THD for the 330kV transmission line are presented using harmonic load flow analysis in ETAP—domain on the view to measure the level of distortion in the network. Figure 2 shows the section of the harmonic load flow simulation in order to check for degree of harmonic distortion in the system under investigation. The provision of the harmonic frequency with greater magnitude exceeding THD and IHD limits are violated in accordance to IEC 61000-3-6:2008 (European Standards) are used as benchmark for measurement. That is the distortion for current and voltage (THDi% and THD%) are 0.5 and 1.5 respectively particularly harmonic order (h) ≤ 13. Consequently, the harmonic frequency violations with greater magnitude of 5th, 7th, 11th, and 13th order in the network are mitigated with 3-unit of single tuned filter to the affected buses for improved power quality.

Suggested Citation

  • S. L. Braide, 2022. "Evaluation and Analysis of Harmonic Distortion on 330kV Network Case Study Selected Sub-Region Nigerian Power System for Improve Power Quality," Journal of Progress in Engineering and Physical Science, Pioneer Academic Publishing Limited, vol. 1(1), pages 13-22, November.
    • Handle: RePEc:cvg:jpepsc:v:1:y:2022:i:1:p:13-22
    DOI: 10.56397/JPEPS.2022.11.03
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