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R. De Weerdt E. Tuinman R. De Heide Holec Ridderkerk R. Belmans Dep. EE-Labo EMA K. U. Leuven |
Advanced Simulation of a Squirrel-Cage Induction Motor.The paper presents a model for simulating the behaviour of a squirrel-cage induction motor. The purpose of the simulation is to calculate the instantaneous torque and currents of the motor. This is done by defining ten geometrically identical phases in the rotor. From this equivalent modem, a 13 by 13 inductance matrix (ten rotor phases and three stator phases) is generated using a commercial CAD-finite element program. This calculation is repeated for various rotor positions in order to include the effects of rotor and stator slotting and local saturation. The instantaneous currents and torque are then calculated with a sinusoidal voltage as input. The motor is considered to be at constant rated speed. |
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