Application of Smart Meters in High Impedance Fault Detection on Distribution Systems

Chakraborty, Soham and Das, Sarasij (2019) Application of Smart Meters in High Impedance Fault Detection on Distribution Systems. In: IEEE TRANSACTIONS ON SMART GRID, 10 (3). pp. 3465-3473.

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Abstract

This paper presents a novel application of smart meters (SMs) in the high impedance fault (HIF) detection in distribution systems. Detection of HIF on distribution systems poses a significant challenge to the protection engineers. Existing HIF detection methods primarily use measurements available at distribution substations. Lack of availability of measurements near the fault points often makes HIF detection further difficult. The proposed method utilizes the voltage measurements of SMs to address this issue. HIF detection in the presence of nonlinear loads is another challenge. The proposed method detects HIF depending on the amount of even harmonics present in the voltage waveforms measured by SMs. The performance of the proposed method has been evaluated using both PSCAD simulations and experimental set-up. The proposed method has also been implemented on a commercial energy meter to show its viability. The performance of the proposed method has also been evaluated considering HIF, voltage sag-swells, capacitor/load switching, transformer energization, feeder energization, power electronic loads, arc furnace loads, and distributed generators. The proposed method performs satisfactorily in the investigated scenarios. The performance of the proposed method has also been compared with the existing HIF detection methods.

Item Type:	Journal Article
Publication:	IEEE TRANSACTIONS ON SMART GRID
Publisher:	Institute of Electrical and Electronics Engineers Inc.
Additional Information:	The copyright for this article belongs to Institute of Electrical and Electronics Engineers Inc.
Keywords:	Distribution system; high impedance fault; power systems; smart meter; wavelet
Department/Centre:	Division of Electrical Sciences > Electrical Engineering
Date Deposited:	10 Jun 2020 09:12
Last Modified:	22 May 2023 03:44
URI:	https://eprints.iisc.ac.in/id/eprint/62878

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