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How many poles does the turbo-alternators have and what is the speed of the turbo alternators?

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in Design of Electrical Machines by (687k points)
How many poles does the turbo-alternators have and what is the speed of the turbo alternators?

(a) 4 poles, 3000 rpm

(b) 3 poles, 6000 rpm

(c) 2 poles, 5000 rpm

(d) 2 poles, 3000 rpm

I got this question in an online quiz.

Origin of the question is Construction of Turbo-Alternators in portion Design of Synchronous Machines of Design of Electrical Machines

1 Answer

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Best answer
Right choice is (d) 2 poles, 3000 rpm

Best explanation: The turbo-alternators are made up of 2 poles. The speed with which the turbo alternators operate are 3000 rpm.

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