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Development of Improved Diode Clamped Multilevel Inverter Using Optimized Selective Harmonic Elimination Technique
journal contribution
posted on 2018-03-22, 04:40 authored by Tariq Kamal,In this paper the role of Selective Harmonic Elimination (SHE) is presented for diode clamped twelve-level
multilevel inverter (DCMLI) based on dog leg optimization algorithm. Non-linear equations has been
solved to eliminate specific low order harmonics, using the developed DOP algorithm, while at the same
time the fundamental component is retained efficiently. The non-linear nature of transcendental equation
provide multiple or even no solution for a particular modulation index. The proposed optimization method
solving the nonlinear transcendental equations providing all possible solutions. The paper also showing
the comparison between different modulation techniques including the proposed method. The entire system
has been simulated using MATLAB/Simulink. Simulation results confirm the effectiveness with negligible
THD.