Mitigation Of Voltage Sag Using A Transformer Less Dvr With A Reduced Switch Count Multilevel Inverter

Author(s)	Dr. Vijay Prasad
Country	India
Abstract	In power systems, voltage sag is a critical issue affecting power quality. Dynamic Voltage Restorers (DVRs) are widely recognized as a cost-effective solution to protect sensitive loads from these disturbances. Removing the injection transformer from the system can further enhance cost efficiency, reliability, and performance. This study introduces a transformer less DVR based on a T-type multilevel inverter. The proposed DVR benefits from reduced costs, lighter weight, and a more compact design due to the absence of the injection transformer. The DVR's controller is implemented using D-q transformation techniques. Simulation results for the dynamic voltage restorer were generated using MATLAB/SIMULINK software.
Keywords	Dynamic voltage restorer, T-type Multilevel Inverter, d-q transformation
Field	Engineering
Published In	Volume 5, Issue 6, June 2024
Published On	2024-06-16
Cite This	Mitigation Of Voltage Sag Using A Transformer Less Dvr With A Reduced Switch Count Multilevel Inverter - Dr. Vijay Prasad - IJLRP Volume 5, Issue 6, June 2024.

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