What is the equation for frequency of generated EMF?
A. f = PN/120 Hz
B. f = 120/PN Hz
C. f = P/120 Hz
D. f = N/120 Hz
Answer:A
What is the equation for frequency of generated EMF?
A. f = PN/120 Hz B. f = 120/PN Hz C. f = P/120 Hz D. f = N/120 Hz
Explanation: f= PN/120 Hz in India and many other countries, alternators feeding the power system generates at a frequency of 50 Hz. 9. How many poles should the alternators driven by the oil engines and hydraulic turbine prime movers must have, for better operation?