Power Loss Models for Magnetic Components in Power Electronic Systems

The research is related to the energy efficiency of power-electronic devices, which are used in the conversion of electrical energy. New numerical computation methods will be developed to model energy losses in the iron cores and windings of magnetic components, such as inductors and transformers, used in power-electronic devices. To allow simulating the losses in larger systems, recently-developed model order reduction techniques will be applied. The techniques reduce the information captured by the heavy numerical models into a simpler form, which can be computed faster. By combining reduced order computational models to circuit simulators, whole power-electronic systems can be modeled accurately and efficiently. Better understading of losses in power-electronic devices allows improving cost efficiency and significantly reducing CO2 emissions. This directly contributes to reaching the emissions target recommended for Finland by the European Commission.