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Symmetrical Multilevel Inverter based TDVR for Voltage Quality Enhancement
Published in Blue Eyes Intelligence Engineering and Sciences Engineering and Sciences Publication - BEIESP
2019
Volume: 8
   
Issue: 3
Pages: 3887 - 3893
Abstract
This Article Presents Symmetrical Multilevel Inverter With Reduced Number Of Switches Based Transformer Less Dynamic Voltage Restorer (SMLI-TDVR) For Voltage Quality (VQ) Enhancement. Reduction Of Transformer From Conventional Voltage Restorer Leads To Increase In Size Of Passive Filters, Which Can Even Reduce By Using Presented SMLI-TDVR. Reduced Filter Size And Less Load Voltage Total Harmonic Distortion Are The Added Advantage Of SMLI-TDVR. The Control Scheme Provides Switching Pulses For Closed Loop Operation Of SMLI-TDVR To Maintain Load Voltage Constant. Real Time Implementation Of Controller Is Done By Utilizing FPGA Based Real-Time Simulator Called OP4500, A Product Of OPAL-RT. Real Time Testing Of SMLI-TDVR Is Carried Out By Power Hardware In Loop Testing Method (P-HIL). Results Of P-HIL Testing Prove That SMLI-TDVR Can Able To Compensate VQ Problems To Make Load Voltage Constant With Smooth Sinusoidal Waveform.
About the journal
JournalInternational Journal of Recent Technology and Engineering Regular Issue
PublisherBlue Eyes Intelligence Engineering and Sciences Engineering and Sciences Publication - BEIESP
ISSN22773878
Open Access0