Аннотация
Multilevel inverter is an effective topology for
increasing power demand and reducing harmonics of AC
waveforms. This paper presents an efficient seven-level
asymmetric cascaded multilevel inverter suited for renewable
energy applications. A digital control method employing flip-
flops has been proposed which reduces Total Harmonic
Distortion (THD) and switching losses compared to the
conventional PWM technique. Various performance
parameters namely THD, switching loss, first-order distortion
factor (DF1) and second-order distortion factor (DF2) is
analyzed and a simulation model of the proposed digital
control is developed in MATLAB/SIMULINK. Hardware
prototype will be built to validate the results.
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