Different Modeling Aspects and Energy Systems of Unified Power Quality Conditioner (UPQC): An Overview

Abstract

Abstract: This paper highlights the classification of Unified Power Quality Conditioner (UPQC) to enhance the electric power quality at distribution levels. It aims to present a broad overview on the different possible UPQC system configurations for single-phase (two-wire) and three-phase (three-wire and four-wire) networks, different modeling approaches and backup energy storages, and recent developments in the field. It is noticed that several researchers have used different names for the UPQC based on the unique function, task, application, or topology under consideration. Therefore, an acronymic list is developed and presented to highlight the distinguishing feature offered by a particular UPQC. In all 12 acronyms are listed, namely, UPQC-D, UPQC-DG, UPQC-I, UPQC-L, UPQC-MC, UPQC-MD, UPQC-ML, UPQC-P, UPQCQ, UPQC-R, UPQC-S, and UPQC-VAmin.

Keywords

• Active Power Filter (APF), harmonic compensation, power quality, energy storage devices, unified power quality conditioner (UPQC).

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