H_10 - of the rotor Fig 1 1 Problem 2 The windings shown in...

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Homework Set #10 (ECE743) Problem 1: Consider the two-pole, two-phase induction machine shown in Fig. 1. the device is operating as a motor at ϖ r = 95 π rad/sec with I ar = cos(5 π t) and I br = - sin(5 π t). Determine the angular velocity and direction of mmfr relative to (a) an observer on the rotor and (b) an observer on the stator. Also, determine (c) the angular velocity of the stator currents and (d) the direction of the rotation
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Unformatted text preview: of the rotor. Fig. 1. 1 Problem 2: The windings shown in Fig. 2 are sinusoidally distributed and the device is symmetrical. The amplitude of the stator to rotor mutual inductance is L sr . Express all mutual inductance as functions of L sr and θ r . Fig. 2 2...
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