Ultra-Fast Axial and Radial Scaling of Synchronous Permanent Magnet Machines (CROSBI ID 226604)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Stipetić, Stjepan ; Žarko, Damir ; Popescu, Mircea
engleski
Ultra-Fast Axial and Radial Scaling of Synchronous Permanent Magnet Machines
Scaling laws are used when the size of a certain machine design with known performance needs to be adjusted for a new application with known requirements, or when a machine design is geometrically scaled and one needs to determine its performance. Scaling laws derived in this paper allow one to quickly and accurately recalculate parameters of a geometrically scaled permanent magnet machine. They basically consist of two separate important scaling procedures: axial scaling and radial scaling. The third and inevitable scaling procedure is rewinding, which is used to adjust the winding for a required voltage level. Exact but simple analytical equations for the various parameters (torque, power, losses, mass, resistance, inductance, efficiency etc.) of the machine are derived using three independent scaling factors, one for each scaling procedure. Special attention is given to the inclusion of end-winding influence and 3D permanent magnet loss effects. Algorithms for fast determination of winding parameters for a given voltage and fast determination of scaling factors for scaling based on the torque requirement with stack length limitation are presented. All derived scaling equations are numerically validated using two state-of-the-art motor design software packages with automated extraction of parameters based on finite element calculations.
synchronous machine with permanent magnets ; optimization ; scaling laws ; similitude laws ; series of motors
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Podaci o izdanju
10 (7)
2016.
658-666
objavljeno
1751-8660
1751-8679
10.1049/iet-epa.2016.0014