The analysis of 3-phase squirrel-cage induction motors including space harmonics and mutual slotting in transient and steady state

From general equations which describe the transient electromechanical behavior of the asynchronous squirrel-cage motor (and which include the influence of space harmonics and mutual slotting), simplified models are derived and compared. The models are used in examples where special attention is paid to the influence of the place of the harmonics in the mutual inductance matrix and the influence of mutual slotting. Further, the steady-state equations are derived and the back-transformation for the stator and rotor currents is given. An example is compared with the results of measurements.<
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