Fig. 1. Schematic of the co-simulation modeling

Fig. 2. Co-simulation model of the driving system

Fig. 3. Topology of filter （a） Γ type filter, （b）L type filter, （c） Π type filter

Fig. 4. Insertion loss of Γ type filter vs. impedance characteristic （a）Source impedance R_S, （b）Load impedance R_L

Fig. 5. Insertion loss of L type filter vs. impedance characteristic （a）Source impedance R_S，（b）Load impedance R_L

Fig. 6. Insertion loss of Π type filter vs. impedance characteristic （a）Source impedance R_S, （b）Load impedance R_L

Fig. 7. DM mechanism （with no filter）

Fig. 8. Impedance characteristic of DM coupling path

Fig. 9. DM mechanism （with filter）

Fig. 10. CM mechanism （with no filter）

Fig. 11. Impedance characteristic of CM coupling path

Fig. 12. CM mechanism （with filter）

Fig. 13. Topology of EMI filter

Fig. 14. Insertion loss of filter （a）DM, （b）CM

Fig. 15. Result of CE102（with filter vs. no filter） （a）simulation result，（b）test result