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Question: a fourpole 460 v induction motor supplies its rated power...

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A four-pole, 460 V induction motor supplies its rated power to a centrifugal ( Calculate its speed, slip frequency, and slip when it is supplied by a [10 marks] Q2. a) load at a 50Hz frequency. Its rated speed is 1455 rpm. 230 V, 25 Hz source. (ii) Sketch torque-speed characteristics of the motor at the rated frequency (50Hz) and rated voltage (460V). frequency (25Hz) and half of the rated voltage (230V). frequency (35Hz) and the rated voltage (46ov) 1 mark] (i) Sketch torque-speed characteristics of the motor at half of the rated 2 marks) (iv) Sketch torque-speed characteristics of the motor at 70% of the rated 2 marks]

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