Evaluation of electromagnetic intrusion in brushless DC motor drive for electric vehicle applications with manifestation of mitigating the electromagnetic interference
M. Karthik, S. Usha, K Venkateswaran, Hitesh Panchal, M. Suresh, V. Priya, K. K. Hinduja
Abstract
The predominant discrimination of an electric vehicle from the conventional gas vehicle is the use of suitable electric drive system. It introduces new elements such as inverters, electric motors, batteries and control circuits. Although the electric vehicle system has a major advantage over the conventional gas vehicle, it suffer from Electromagnetic Interference problems. The main cause of this problems is a series of switching actions of the power transfer component which affects the Electromagnetic Compatibility of the whole vehicle system. In this paper, the occurrence of Electromagnetic Interference in each component of an electric vehicle is discussed along with some mitigation techniques. Further, an EMI filter topology using LC filter is demonstrated and the procedure has been verified in two switching power supply control applications.