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Assume the steady-state currents flowing in the conductors of the device shown in Figure 1B-1 are 1 = Is1 cos wjt I = I,2 cos(@,t +P2) %3D Assume also that during steady-state operation the rotor speed is constant, thus 0, = 0,t + 0, (0) where 0,(0) is the rotor displacement at time zero. Determine the rotor speeds at which the device produces a nonzero average torque during steady-state operation if (a) @ = 0, = 0; (b) @ = 0, # 0; (c) @z = 0.

Assume the steady-state currents flowing in the conductors of the device shown in Figure 1B-1 are 1 = Is1 cos wjt I = I,2 cos(@,t +P2) %3D Assume also that during steady-state operation the rotor speed is constant, thus 0, = 0,t + 0, (0) where 0,(0) is the rotor displacement at time zero. Determine the rotor speeds at which the device produces a nonzero average torque during steady-state operation if (a) @ = 0, = 0; (b) @ = 0, # 0; (c) @z = 0.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Assume the steady-state currents flowing in the conductors of the device shown in Figure 1B-1 are 1 = Is1 cos wjt I = I,2 cos(@,t +P2) %3D Assume also that during steady-state operation the rotor speed is constant, thus 0, = 0,t + 0, (0) where 0,(0) is the rotor displacement at time zero. Determine the rotor speeds at which the device produces a nonzero average torque during steady-state operation if (a) @ = 0, = 0; (b) @ = 0, # 0; (c) @z = 0.
Transcribed Image Text:Assume the steady-state currents flowing in the conductors of the device shown in Figure 1B-1 are 1 = Is1 cos wjt I = I,2 cos(@,t +P2) %3D Assume also that during steady-state operation the rotor speed is constant, thus 0, = 0,t + 0, (0) where 0,(0) is the rotor displacement at time zero. Determine the rotor speeds at which the device produces a nonzero average torque during steady-state operation if (a) @ = 0, = 0; (b) @ = 0, # 0; (c) @z = 0.
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