Explanation: Eph = √2πfkwNphΦ, here Φ = total flux per pole. 15. If the dimensions of all the parts of a synchronous generator and the number of field and armature turns are doubled, then the generated voltage will change by a factor of
A. 1
B. 2
C. 4
D. 8
Answer:A
Explanation: Eph = √2πfkwNphΦ, here Φ = total flux per pole. 15. If the dimensions of all the parts of a synchronous generator and the number of field and armature turns are doubled, then the generated voltage will change by a factor of
A. 1 B. 2 C. 4 D. 8
Explanation: E = √2πfrNΦ, Φ = flux per pole = 4/pBplr