Design of common mode and differential mode separator for electromagnetic noise based on autotransformer

The application of common mode and differential mode separators for electromagnetic noise is of great significance for improving the efficiency of electromagnetic compatibility trouble-shooting. By analyzing the characteristics of different electromagnetic noise separators, a common mode and differential mode separator network model for electromagnetic noise based on autotransformers is proposed. Through parameter extraction and simulation analysis, a common mode and differential mode separator for electromagnetic noise is designed. After comparing the actual measurement and simulation results of the separator parameters, the effectiveness of the separator design is verified.