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The formula for single phase core type and three phase core type diameter and height are same.

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in Design of Electrical Machines by (687k points)
The formula for single phase core type and three phase core type diameter and height are same.

(a) true

(b) false

I got this question during an interview.

My enquiry is from Overall Dimensions in chapter Design of Transformers of Design of Electrical Machines

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The correct answer is (a) true

Easy explanation: D = diameter of circumscribing circle + Width of window is the diameter of single phase and 3 phase core type transformers. height = height of the window + (2*height of the yoke) is the height of the single and three phase core type transformers.

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