Research on Selective Harmonic Elimination Technology Based on Improved Black Hole Algorithm

The solution of nonlinear transcendental equations is crucial for specific harmonic elimination technology. This article uses an improved black hole algorithm to solve nonlinear transcendental equations, which enhances the performance of the original black hole algorithm in global exploration and local optimization processes. The specific content includes using a two-level three-phase bridge inverter circuit, establishing a mathematical model based on its topology, constructing an evaluation function based on the characteristics of the algorithm, simulating through the Simulink module in MATLAB, and verifying the feasibility of the improved black hole algorithm in specific harmonic elimination technology. The final simulation results show that the three-phase inverter controlled by the specific harmonic elimination technology based on the improved black hole algorithm has more advantages in DC voltage utilization and other aspects than the traditional Newton iteration method.