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Selective Harmonic Elimination in Multilevel Inverter using TLBO Algorithm and Comparison with other Optimization Algorithms

Udigala Basavaraju Mahadevaswamy *, Naveen Kumar S. **, Karthik R. ***

* Department of Electronics and Communication Engineering, Sri Jayachamarajendra College of Engineering, Mysore, Karnataka, India.

**-*** Industrial Electronics, Sri Jayachamarajendra College of Engineering, Mysore, Karnataka, India.

Periodicity:January - June'2020
DOI : https://doi.org/10.26634/jcir.8.1.17451

Abstract

This paper presents an optimization method for selective harmonic elimination in a cascaded multilevel inverter (MLI) using teaching-learning based optimization (TLBO). The main objective in selective harmonic elimination (SHE) strategy is to eliminate low-order harmonics by solving nonlinear equations and reaching optimal solution, while the fundamental component is satisfied. In this paper, different optimization methods are compared. In this paper, the TLBO as a recently emerged nature-inspired algorithm is presented to provide better results for the SHE in comparison with Genetic algorithm (GA), Particle swarm optimization (PSO), Newton Raphson Method (NR) and Satin Bowerbird algorithm (SBO). For better comparison of those methods and influence of optimal DC source a 7-level inverter is chosen and MATLAB/Simulink software is used for optimization. Simulation results show the superiority of TLBO, higher precision and probability of convergence than other mentioned algorithms.

Keywords

Multilevel Inverter, Total Harmonic Distortion, Teaching-learning Based Optimization, Selective Harmonic Elimination, MATLAB

How to Cite this Article?

Mahadevaswamy, U. B., Kumar, S. N., and Karthik, R. (2020). Selective Harmonic Elimination in Multilevel Inverter using TLBO Algorithm and Comparison with other Optimization Algorithms. i-manager's Journal on Circuits and Systems, 8(1), 22-29. https://doi.org/10.26634/jcir.8.1.17451

References

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