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quiz6sol

# quiz6sol - ECE 610 Quiz 6 Fall 2011~Due 5:00 PM 2 A...

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Unformatted text preview: ECE 610 Quiz 6, Fall 2011~Due 5:00 PM 12/3/2011 2) A 3—phase induction machine is connected to a 377 rad/s utility and is driven mechanically to the operating point shown in the Figure 1. Assume all reference angles used for the machine anal— ysis are deﬁned positive in the counter clockwise direction. For the operating condition shown in Figure 1, complete Table l and Table 2. (33 pts) W. ..... C; operating (”is r l point of mterest Lg!“ T; {ti \ arr L“? I; ”of; la} Figurel: Torque/speed curve of induction machine. C; Table 1: stationary YOtOT actual (abc) reference reference variables frame frame radii i 351C synchronuous reference frame frequency of stator currents frequency of rotor cur— rents Velocity and Velocity and Direction of the Direction of Stator MMF the Rotor MMF Viewed From Observer on Stator Viewed from Observer on Rotor ...
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