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All Journal Bulletin of Electrical Engineering and Informatics
Thorat, Jaywant S.
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Electrical & Electronics Engineering

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New control scheme for a dynamic voltage restorer based on selective harmonic injection technique with repetitive controller Tapre, Pawan C.; Thakre, Mohan P.; Pawase, Ramesh S.; Thorat, Jaywant S.; Dahigaonkar, Dipak J.; Mapari, Rahul G.; Kadlag, Sunil Somnath; Khule, Shridhar
Bulletin of Electrical Engineering and Informatics Vol 13, No 3: June 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v13i3.5312

Abstract

Repetitive controller and selective harmonic injection technique (SHI) in medium and low voltage distribution networks improve dynamic voltage restorer (DVR) DC bus voltages as well as nullify power quality (PQ) problems. DVRs use sinusoidal pulse width modulation (SPWM) firing control, but DC bus use seems to be limited, affecting density, cost, and power packaging. By adding 1/6th of the 3rd harmonic waveform to the basic waveform, SPWM yields the developed model. According to the findings, 15% of DC bus usage improves and produces high voltage AC. Nevertheless, just control systems perturb PQ. The proposed controller uses feed forward and feedback to enhance transient response and justify stable zero error. 3rd third harmonic injection pulse width modulation (THIPWM) improves total harmonic distortion (THD) in the proposed scheme. Power system computer aided design (PSCAD) simulation produced high accuracy for THIPWM and repetitive controllers.
Co-Authors Dahigaonkar, Dipak J. Kadlag, Sunil Somnath Khule, Shridhar Mapari, Rahul G. Pawase, Ramesh S. Tapre, Pawan C. Thakre, Mohan P.