Specifications

63
Part - C
Answer the following questions briefly (4 Marks)
1. Calculate the front, back and winding pitches for a single phase, single layer AC lap winding
for a 4 pole AC machine having 24 slots.
2. Calculate the front, back and winding pitches for a single phase, single layer wave winding
for a 4 pole, 24 slot ac machine.
3. Calculate the angle between the adjacent slots for a 3 phase, single layer concentric type
of winding for a 2 pole ac machine having 12 slots.
4. Calculate the angle between the adjacent slots for a lap winding for a 3 phase ac machine
having 4 pole and 24 slots.
5. Calculate the angle between the adjacent slots for a wave winding for a 3 phase having 6
pole ac machine and 24 slots.
Part - D
Answer the following questions in one page level (10 Marks)
1. Develop a winding table for a single phase, single layer AC lap winding for a 4 pole AC
machine having 24 slots.
2. Develop a winding table for a single phase, single layer wave winding for a 4 pole, 24 slot ac
machine.
3. Develop a winding table for a single phase single layer concentric winding for a 4 pole ac
machine having 24 slots.
4. Develop the coil group connections using
A) half coil winding B) whole coil winding
for a 3 phase, single layer concentric type of winding for a 2 pole ac machine having 12
slots.
5. Develop the winding table for a lap winding for a 3 phase ac machine having 2 pole and 24
slots. There are 2 coil sides per slot.
6. Develop the coil group connections using whole coil winding for a 3 phase, 4 pole, 24 slot
ac machine, with single layer concentric type of winding.