Design and Implementation of Solar Grid-Connected Inverter with the Approach of Maximum Power Injection and THD Reduction in Partial Shading Conditions Using Cascaded Repetitive Controller
Objective
The objective of this project is to design a solar grid-connected inverter that maximizes power delivery and minimizes harmonic distortion using a novel cascaded repetitive controller (CRC), capable of operating effectively under variable grid frequencies and partial shading conditions.
Abstract
This paper presents the design and implementation of a solar grid-connected inverter system utilizing a novel frequency-adaptive cascaded repetitive controller (CRC) to ensure maximum power injection and minimal Total Harmonic Distortion (THD), even under partial shading conditions. A five-level H-Bridge inverter architecture is employed to improve system efficiency, reduce switching losses, and minimize voltage stress on switches. The CRC technique ensures near-zero steady-state error and low harmonic current injection during frequency variations and irradiance disturbances. Simulation results confirm significant improvements over traditional PI, PR, and conventional repetitive controllers.
Keywords: Repetitive controller, grid-connected inverter H-bridge inverter, current controller, total harmonic distortion, PI Controller.
NOTE: Without the concern of our team, please don't submit to the college. This Abstract varies based on student requirements.
Block Diagram
Specifications
Software Configuration:
Operating System : Windows 7/8/10
Application Software: Matlab/Simulink
Hardware Configuration:
RAM : 8 GB
Processor : I3 / I5 (Mostly prefer)
Learning Outcomes
· Introduction to Matlab/Simulink
· What is EISPACK & LINPACK
· How to start with MATLAB
· About Matlab language
· About tools & libraries
· Application of Matlab/Simulink
· About Matlab desktop
· Features of Matlab/Simulink
· Basics on Matlab/Simulink
· We learn about multilevel inverter
· We learn about Solar System
· We learn about Repetitive controller
· We learn about Total harmonic distortion
· Project Development Skills:
o Problem analyzing skills
o Problem solving skills
o Creativity and imaginary skills
o Programming skills
o Deployment
o Testing skills
o Debugging skills
o Project presentation skills
o Thesis writing skills
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