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How many assumptions can be used for the slot leakage calculation?

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in Design of Electrical Machines by (687k points)
How many assumptions can be used for the slot leakage calculation?

(a) 2

(b) 3

(c) 4

(d) 5

The question was asked in class test.

My question is based upon Determination of Iron Losses & Slot Leakage in chapter Principles of Magnetic Circuit Design of Design of Electrical Machines

1 Answer

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Best answer
Right answer is (b) 3

Easy explanation: There are 3 assumption made in the slot leakage calculation. They are the current in the slot conductors is uniformly distributed, the leakage path is straight across the slot and around the iron at the bottom and the permeance of air paths is only considered.

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