Vågkraft Verification of Numerical Field Model for Permanent Magnet Two Pole Motor. Avd. För 751 05 Uppsala, Sweden
Introduction PhD-student Uppsala University Avd. För Field of Research: Electromagnetic Design of Electrical Machines Linear Generator for Wave Energy Conversion Electrical Motor for All Electric Propulsion System
Working Approch Electromagnetic design Numerical Calculations Avd. För Maxwell s Equations Analytical Calculations Permeance Model For verifying Experimental setup with full scale prototypes
Numerical Model Purpose Determine the machine s electrical performance directly from the magnetic field distribution Avd. För Finite Element Model Two-dimension Model Three-dimensional effects, like coil end reactance, resistance etc are included as analytical expressions.
Finite Element Motor Model Solve Ampere s Law for the magnetic vector potential, A Ampere s Law: Avd. För A Two dimensional formulation of the problem, A has only an axial component, A z The geometry is structured of straight lines and circular arcs, Permeability Coercitivity Resistivity Sheet thickness Includes Non-linear behaviour Cyclic boundary conditions.
Verify the Numerical Model Analytical Model Permeance Model Avd. För Experimental Results from Full Scale Prototypes
Analytical Model Analytical Permeance Model The air-gap flux density can be defined by the Air-Gap Permeance Function and the Air-Gap MMF Function Avd. För Sum of Air-Gap Permeance, Saturation Permeance and Stator Slot Permeance.
Experimental Verification Measure the B-field in the machine s air-gap Avd. För
The Electrical Motor Two Pole Permanent Magnet Motor High efficiency over wide frequency interval Avd. För Three phases Cable wound
The Electrical Motor Design Embedded magnet Avd. För Solid Pole-shoes Distributed winding
The Electrical Motor First Prototype Avd. För 30 kw 350 V at 50 Hz
Results Numerical Model Avd. För
Verification At No Load Avd. För
Future Work Analytical Verifying with Permeance Model Avd. För Continue the development of the Two Pole Permanent Magnet Motor
Thank you Thank you for your attention Avd. För Questions?