Optimization of EMC Filter for a Variable Speed Drive System in Electric Aircraft

Abstract

In recent years, static converters are in constant evolution, and they have occupied an increasing role within aeronautical on-board networks. This development results in an increase in the power density of the onboard network and a reduction in the volume of the components. This development in electrical technologiescreates problems related to electromagnetic pollution. To avoid polluting their environments, the power electronics designer will have to provide effective devices and means to mitigate the levels of emissions from their equipment. This work focuses on electromagnetic compatibility (EMC) problems appearing in power converters on board future more electric aircraft. The work deals with the aircraft EMC issue, and then the reduction of electromagnetic pollution from a variable speed drive system. With the standards used in the aeronautical fields, type DO 160D, the optimization approach consists in bringing the level of emissions of the current generated towards the network and the load Induction motor) below the EMC standard in the whole range of frequencies 150 kHz -30 MHz.