Applications of equivalent cable bundle method in frequency domain for emission problems of the computer case cable harness

Modern computer case cables are being more and more complex, and the electromagnetic environment is increasingly complex at the same time, so the case of various cables in the field generated by the radiation sources, crosstalk between the harness and the emission caused by the wiring harness is becoming one of the severe electromagnetic compatibility problems. In this paper, the equivalent cable bundle method is introduced into the computing of cable emission problems to predict the near-field radiation caused by the cable harness. This method can be summarized by 5 steps when it comes to a radiation problem. The principle of ECBM is analyzed first. To verify the method, a numerical experiment on 5 cables in a computer case has been carried out.