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All Journal International Journal of Electrical and Computer Engineering
A. Venkatesh
Vignan’s Institute of Information Technology
Computer Science & IT Electrical & Electronics Engineering

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Adaptive hysteresis band current control of grid connected PV inverter R. S. Ravi Sankar; A. Venkatesh; Deepika Kollipara
International Journal of Electrical and Computer Engineering (IJECE) Vol 11, No 4: August 2021
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v11i4.pp2856-2863

Abstract

In this paper, adaptive hysteresis band current controller is implemented to control the current injected into the grid. Initially it was implemented by B.K Bose for control of the machine drive. Now it is implemented for the grid connected PV inverter, to control the current injected into Grid. It is well suitable for the distribution generation. The adaptive hysteresis band controller changes the bandwidth based on the modulating frequency, supply voltage, input DC voltage and slope of the reference current. Consequently, the controller generates pulses to the inverter. It is advantageous over the conventional hysteresis controller, as the switching frequency is maintained almost constant. Thereby quality of grid current is also improved. It is verified in time domain analysis of simulation using MATLAB.
Co-Authors Deepika Kollipara R. S. Ravi Sankar