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Published in:

Volume 2 Issue 3
November-2016
eISSN: 2454-5988

 

Unique Identifier

 

IJIRCT1601019


 

Page Number

 
111-118

 

 

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Paper Details

Title

Performance Evaluation of Multi Level Converter type FCL-DVR for Power Quality Enhancement


Abstract

This paper deals with modeling and digital simulation of five level based Fault Current Limiting-Dynamic Voltage Restorer (FCL-DVR). The control of DVR that injects a voltage in series with a distribution feeder is presented. DVR is a power electronic controller that can protect sensitive loads from disturbances in supply system. It is observed that DVR can regulate the voltage at the load. Circuit model is developed and the same is used for simulation studies. The dynamic voltage restorer (DVR) as a means of series compensation for mitigating the effect of voltage sags has become established as a preferred approach for improving power quality at sensitive load locations. Meanwhile, the cascaded multilevel type of power converter topology has also become a workhorse topology in high power applications. This paper presents the detailed design of a closed loop regulator to maintain the load voltage within acceptable levels in a DVR using transformer coupled H-bridge converters. The paper presents system operation and controller design approaches, verified using computer simulations


Key Words

Multi Level Converter, Grid, FCL-DVR, Power Quality

 

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