Multilevel Inverter based DVR for Power Quality Improvement – An Extensive Review

Abstract

Voltage sags and swells, flickers, interruptions, harmonic distortion and many other distortion are the main problems of the power quality and these power quality problem which are arise due to a fault so to solve this, custom power devices are used . One of the example of these devices is Dynamic Voltage Restorer[1]. Dynamic voltage restorer (DVR) is a power electronic converter-based custom power device used to compensate for voltage variations which is considered to be more efficient device.

Keywords Dynamic Voltage Restorer, Power Quality, Voltage sag