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Total slots per phase =12/3=4 slots to be occupied.

Slots per pole per phase = 12/(3*4)=1

hence for A phase, the slots to be occupied are 1,4,7,10;for B phase, the slots to be occupied are 5,8,11,2;for C phase, the slots to be occupied are 9,12,3,6 and winding to we wave type.

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Q: How is three phase12 slots 4-pole winding designed?
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