Super Twisting Sliding-Mode Control of Grid-Tied Quasi-Z-Source Inverters Under Distorted Grid Voltage
Objective
The main objective of this project is to enhance the performance, stability, and robustness of the Quasi-Z-Source Inverter (qZSI) in the presence of grid voltage distortions.
Abstract
The paper proposes that A super twisting sliding mode control (STSMC) method is introduced for grid-tied quasi-Z-source inverters (qZSI) operating under distorted grid voltage. This method is capable to alleviate the chattering phenomena in both ac and dc sides of the system concurrently by generating two smooth control inputs for dc and ac sides of the circuit. Applying the STSMC strategy suppresses the chattering to its minimum while preserving the other important features of the sliding mode control method like zero steady-state error, robustness and fast response. Moreover, the ac side capacitor voltage reference is produced by employing a proportional-resonant (PR) controller. An extra term is added into PR controller so as to eliminate the distortions of the grid current under distorted grid voltage.
The effectiveness of the proposed method in suppressing the chattering and generating a harmonic free grid current is certified via simulation results using MATLAB/SIMULINK.
Keywords Grid-tied, quasi-Z-source, inverter, super twisting sliding mode, distorted grid voltage
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 can learn about Quasi-Z-Source Inverters
· We can learn about super twisting sliding mode
· 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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