Application of Dynamic Voltage Restorer for Power Quality Improvement in Low Voltage Electrical Power Distribution Network: An Overview

Abstract:

Dynamic Voltage Restorer (DVR) is a series connected power electronics based custom power device that is used to improve voltage disturbances in low voltage electrical power distribution network. Power quality requirement is one of the most important concerns for power system. The parts of the DVR is made up of voltage source inverter, injection/booster transformer, a harmonic filter, an energy storage device and a bypass switch. The DVR is used to inject three phase voltage in series and in synchronism with the network voltages in order to compensate voltage disturbances with a benefit of active /reactive power control. This paper presents a review of the researches on the dynamic voltage restorer application for power quality improvement in low voltage electrical power distribution networks. It describes power quality issues, principle of operation of DVR, basic components of DVR, DVRs control topologies in distribution network, DVR control strategies and compensation techniques.

• Periodical: International Journal of Engineering Research in Africa (Volume 28)
• Pages: 142-156
• DOI: https://doi.org/10.4028/www.scientific.net/JERA.28.142
• Online since: January 2017
• Authors: Patrick Taiwo Ogunboyo*, Remy Tiako, Innocent Davidson
• Keywords: Custom Power Device, Distribution Network, Low Voltage, Power Quality, Power System, Voltage Disturbances

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