Answer to Question #128038 in Other for James

Question #128038
A series motor has a 230 V supply and draws 108 A when running at 551 rpm. The armature resistance is 0.12 Ω and the resistance of the series field winding is 0.04 Ω. For 108 A, consider the flux per pole to be 0.022 Wb and for 46 A, consider it to be 0.017 Wb.

(a) Calculate the emf generated when the current is 108 A.


(b) Knowing that E α n* Φ , calculate the new emf generated and the new speed when the motor operates at 46 A.
1
Expert's answer
2020-07-30T11:48:25-0400
Dear James, your question requires a lot of work, which neither of our experts is ready to perform for free. We advise you to convert it to a fully qualified order and we will try to help you. Please click the link below to proceed: Submit order

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