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Synchronous Reluctance (SynRel) machines are considered a competitive alternative to the induction motors for variable speed drive applications due to their comparable performances and low cost. The absence of rare earth permanent magnets makes them very attractive also in the automotive sector especially for light electric vehicles. The design of SynRel machines has been formalized by many authors...
High-power DC-DC converters will be one of the essential technologies for future DC grids. A key component within this converter is the high power transformer operated at a medium frequency (MF) range. The design and optimization of this key component is presented in this paper. The transformer provides galvanic isolation from low voltage level to medium level or high voltage level and provides stepping...
Axial Flux Permanent Magnet (AFPM) machines present a lot of advantages over their conventional counterparts. They are being developed for various applications ranging from consumer electronics to more electric aircrafts [1]. An AFPM machine employing Halbach array offers a number of attractive features over a standard AFPM machine. In this paper both machine topologies are studied comparatively and...
We present a novel numerical method for modelling of coupled magneto-mechanical behaviour and magnetic hysteresis losses in electrical machine cores under mechanical stress. An energy-based single-valued magneto-mechanical constitutive law is coupled to the Jiles-Atherton model of hysteresis. The material model is implemented in a 2-D finite element method, which solves for both the magnetic vector...
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