Q3 Show that, if the stator resistance of a three-phase induction motor is negligible, the ratio of motor starting torque T, to the maximum torque Tmax can be expressed as: T, Tmax 2 1 Sm Sm where sm is the per-unit slip at which the maximum torque occurs.

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Show that, if the stator resistance of a three-phase induction motor is negligible, the ratio of motor
starting torque T, to the maximum torque Tmax can be expressed as:
2
Тmax
1, Sm
Sm
where sm is the per-unit slip at which the maximum torque occurs.
Transcribed Image Text:Q3 Show that, if the stator resistance of a three-phase induction motor is negligible, the ratio of motor starting torque T, to the maximum torque Tmax can be expressed as: 2 Тmax 1, Sm Sm where sm is the per-unit slip at which the maximum torque occurs.
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