Trends in Power Quality, Harmonic Mitigation and Standards for Light and Heavy Industries: A Review

David Lumbreras, Eduardo Gálvez, Alfonso Collado and Jordi Zaragoza
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David Lumbreras: Terrassa Industrial Electronics Group (TIEG), Department of Electronic Engineering, Polytechnic University of Catalonia, C/Colom, 1, 08222 Terrassa, Barcelona, Spain
Eduardo Gálvez: R&D Power Electronics, Circutor S.A., Vial de Sant Jordi, 08232 Viladecavalls, Barcelona, Spain
Alfonso Collado: R&D Power Electronics, Circutor S.A., Vial de Sant Jordi, 08232 Viladecavalls, Barcelona, Spain
Jordi Zaragoza: Terrassa Industrial Electronics Group (TIEG), Department of Electronic Engineering, Polytechnic University of Catalonia, C/Colom, 1, 08222 Terrassa, Barcelona, Spain

Energies, 2020, vol. 13, issue 21, 1-24

Abstract: The power quality of electrical grids is becoming an important issue worldwide. The electrical grid has to deliver sinusoidal voltages and currents without frequency or amplitude variations. However, the connection of non-linear loads generates harmonics that degrade the grid quality. The presence of harmonics in the load currents has many negative consequences and can distort the voltage waveform at the point of common coupling (PCC). Thus, it is essential to mitigate the harmonics in order to maintain a suitable grid quality. This is a shared responsibility between energy suppliers, manufacturers of electric and electronic equipment, and users. In this context, this work presents, for each stakeholder, a comprehensive analysis of their responsibilities and the standards that they should meet. Additionally, this paper reviews the most common types of filters used to comply with the applicable standards in industrial applications. Finally, in order to prove that active power filters allow maintaining good power quality in all types of grid, commercially available active power filters were installed in three different grids contexts: an office building, a factory, and a stadium with a large number of LEDs. The experimental results obtained were used to evaluate the impact of active filters on grid quality. This review would help users to overcome their grid distortion problems.

Keywords: active power filters; harmonic compensation; industrial power systems; international standards; power quality (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (17)

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