Ansoft-设计实例.ppt

Single Phase Induction Motor Motor Specification Single Phase Induction Rated Voltage : 220V 50Hz Freeload current : 8uF/450V Stator Number of slots = 24 2 poles Material : 50CS 1300 Sheet thickness = 0.5mm Rotor Number of slots = 32 Skew : 1.8 ~ 2.0 Teeth Ansoft Simulation Tool RMxprt Analytical Design Software for Electric Machines Type of Motors Induction Machines : 3 Phase, Single Phase Synchronous Machines : Line-start, Permanent magnet generator Brush commutated: DC, Permanent magnet DC, Universal Electronically commutated: Adjustable-speed Permanent magnet synchronous, Claw-pole generator Maxwell2D Magnetic and Electric Finite Element Field Solvers Static and Transient (time-domain) solutions Direct link from RMxprt Single Phase Induction Motor Created in RMxprt Stator Winding in RMxprt Design Sheet for the Induction Motor Efficiency Plot Output Torque Plot in Kgcm Output Power Plot RMxprt to Maxwell 2D link Maxwell 2D Model Export from RMxprt Output Torque (kgcm) vs Time Winding Current for Phase A B Flux Linkage for Phase A B Animation showing Rotor Turning Animation for Current Flux Animation for Magnetic Flux Conclusion RMxprt analyzed with less than 6% accuracy compare to the measured results. Maxwell2D is a virtual simulation tool which allow engineers to analysis the field effect in the motor, and further optimize in motor design. * The full simulation takes only a few seconds to complete Measured Max Efficiency = 0.726 Simulated Max Efficiency = 0.7154 1% accuracy comparison Measured Output Torque = 10.78 Simulated Output Torque = 10.3637 3.8% accuracy comparison Measured Output Power = 258.1 Simulated Output Power = 241.5292 6% accuracy comparison Simulation time taken 58 minutes to solve (Laptop) Motor initial start up Motor initial start up *