alexa A New Approach to Dynamic Voltage Restorer Implementat
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
Open Access

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Special Issue Article

A New Approach to Dynamic Voltage Restorer Implementation in Distribution Systems Using a Multilevel Inverter System

Meera Annie Varghese1 and Ancy Sara Varghese2
  1. P. G. Student, Department of Electrical and Electronics Engineering, Saintgits College of Engineering, Kottukulam Hills, Pathamuttom P.O, Kottayam-686532, Kerala, India.
  2. Assistant Professor, Department of Electrical and Electronics Engineering, Saintgits College of Engineering, Kottukulam Hills, Pathamuttom P.O, Kottayam-686532, Kerala, India.
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Abstract

The dynamic voltage restorer (DVR) is one of the modern devices used in distribution systems to protect Consumers against sudden changes in voltage amplitude. It is a custom power device used in power distribution networks to protect consumers from sudden sags (and swells) in grid voltage. In this paper, the controller using the P+Resonant controller and charge regulator is proposed in order to eliminate the steady-state error in DVR response and to stabilize the system, respectively. The innovation here is that the DVR with the fifteen level inverter systems protects the PCC voltage during a voltage sag condition without any real power injection into the DVR.Simulation results show the capability of the DVR to control the emergency conditions of the distribution systems.

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