Calculate the emf generated by a 4 pole, wave wound armature having 40 slots with 18 conductors per slots when driven at 1000 rpm. The flux per pole is 0.015 wb.
Given
No of poles, P = 4
No of slots = 40
Conductors per slot = 18
Speed, N = 1000
Flux per pole, ø = 0.015
To find
Emf generated, E
Solution
E=PϕNZ60A
For wave winding A =2
Total No of conductor ,Z = No of slots x conductors per slot
= 40 x 18
= 720
E = (4 x 0.015 x 1000 x 720) / (60 x 2)
= 360 V
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