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Economic assessment of non-sinusoidal energy in distorted distribution systems

Narinder Kumar (Department of Electrical Engineering, National Institute of Technology Kurukshetra, Kurukshetra, India)
Ashwani Kumar (Department of Electrical Engineering, National Institute of Technology Kurukshetra, Kurukshetra, India)

International Journal of Energy Sector Management

ISSN: 1750-6220

Article publication date: 1 April 2019

Issue publication date: 1 April 2019

59

Abstract

Purpose

The purpose of this paper is to analyze annual energy expenditure in the presence of non-linear load and substation voltage harmonics in distribution systems. Economic assessment of non-sinusoidal energy is a challenging task that involves complex computations of harmonic load powers and harmonic line losses.

Design/methodology/approach

The paper evaluates fundamental and non-sinusoidal components of electrical energy by applying backward/forward sweep technique in distorted distribution systems. This work involves harmonic power computations at the substation by including harmonic losses occurring in various lines of the distribution system.

Findings

The paper found that annual energy expenditure significantly depends upon the non-linear load, supply voltage harmonics and type of tariff structure considered in the distribution system. Impact of individual harmonic orders on the energy billing is also assessed.

Originality/value

The paper concludes that considering harmonic distortions in the distribution system analysis would help electricity regulators formulate adequate pricing structures, which would further generate appropriate economic signals for electricity utility and the consumers.

Keywords

Citation

Kumar, N. and Kumar, A. (2019), "Economic assessment of non-sinusoidal energy in distorted distribution systems", International Journal of Energy Sector Management, Vol. 13 No. 1, pp. 196-211. https://doi.org/10.1108/IJESM-05-2017-0002

Publisher

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Emerald Publishing Limited

Copyright © 2018, Emerald Publishing Limited

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