Vehicle Modelling During Emission Measurement of Wireless Charging Stations Using a Passive Impedance Network
2021 IEEE Vehicle Power and Propulsion Conference (VPPC)(2021)
摘要
With the development and implementation of wireless charging systems for electric vehicles, new challenges considering EMC especially on the testing side arise. There are several new standards specifying wireless vehicle charging systems, defining for example test setups. The setup, investigated in this work, is for emission testing of the wireless charging ground assembly. Here on the secondary side, a load not further specified is presented in the standard. The study focuses on the impact of this secondary load on the conducted and radiated emissions of the inductive charging system. As the noise generated in the ground assembly is high, the amount of noise coupling to the vehicle side has to be investigated for the inner EMC. To model the vehicle impedance a passive battery network is used on the secondary side. Using this load, the amount of conducted disturbances can be investigated such as the impact of the load on the magnetic field emissions.
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关键词
Power electronics,EMC,impedance modelling,WPT system,electric vehicle
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