Electromagnetic Interference Model of the Dual Motor Drive System

Dual motor drive system can improve system performance and functionality, but electromagnetic interference is severe. In this article, the dual motor system model is established, which can accurately simulate the relationship between speed and torque. In order to accurately predict the electromagnetic interference of the dual motor system, this paper proposes a modeling method of motor drive system considering parametric parameters based on port impedance measurement, the broadband equivalent circuit for power modules, motors, and cables are established. The experimental platform has been established according to the GJB 151B-2013 CE102 standard. The results shows that the proposed model can accurately predict conducted electromagnetic interference and has a certain corrective effect on the improvement of electromagnetic compatibility.