THD Reduction of Improved Single Source MLI Using Upgraded Black Widow Optimization Algorithm

Figure 10

(a) Modulation index vs. THD, (b) harmonic order vs. nth order voltage with respect to fundamental, (c) iteration count vs. convergence rate, (d) box plot of fitness function value based on population size, and (e) box plot of fitness function value based on maximum iteration (for GA, BFOA, PSO, and modified BWO algorithm).

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