Classification of Voltage Sag Propagation under Double Line to Ground Fault on a Low Voltage Distribution Power Network

Authors

  • A. K. Junejo Department of Electrical Engineering, Quaid-e-Awam University of Engineering, Science and Technology, Pakistan
  • M. A. Koondhar Department of Electrical Engineering, Quaid-e-Awam University of Engineering, Science and Technology, Pakistan
  • M. A. Memon Department of Electrical Engineering, Quaid-e-Awam University of Engineering, Science and Technology, Pakistan
  • I. A. Channa Department of Automation, Beijing University of Chemical Technology, China
  • S. A. A. S. Bukhari Department of Electrical Engineering, Quaid-e-Awam University of Engineering, Science & Technology, Pakistan

Abstract

The key issue of the voltage-sag propagation on the different types of winding connections for the low voltage transformer in the distribution power network is considered in this study. The issues of voltage sag propagation depend upon the type of asymmetrical fault and the connection of the transformer windings. In this paper, the double line to ground fault is adopted for the voltage sag characterization. The depiction of the sage propagation is an outcome of the zero sequence components. Voltage sag propagation detection can be used to improve the power quality of the system. The obtained results reveal the characteristics of the voltage drop propagation from the primary to the secondary winding of the transformer throughout different connection. The implemented method will help analyze the Power Quality (PQ) problem in terms of voltage sag of the distributed transmission networks of the power system.

Keywords:

voltage sag, power quality, double line to ground fault

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How to Cite

[1]
Junejo, A.K., Koondhar, M.A., Memon, M.A., Channa , I.A. and Bukhari, S.A.A.S. 2021. Classification of Voltage Sag Propagation under Double Line to Ground Fault on a Low Voltage Distribution Power Network. Engineering, Technology & Applied Science Research. 11, 2 (Apr. 2021), 6949–6955. DOI:https://doi.org/10.48084/etasr.4021.

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