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The value of the cooling coefficient varies from 0.025 to 0.04 in the back of the stator core.

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The value of the cooling coefficient varies from 0.025 to 0.04 in the back of the stator core.

(a) true

(b) false

This question was posed to me during an online interview.

My query is from Losses and Temperature Rise topic in section Design of Synchronous Machines of Design of Electrical Machines

1 Answer

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Correct answer is (a) true

Easiest explanation: The cooling coefficient value is required in the calculation of the temperature rise of the surface. The value varies from 0.025 to 0.04 for the back of the stator core.

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