The frequency of an AC generator can be calculated by dividing the number of poles by the speed of the generator in revolutions per minute (RPM). This value is then multiplied by 120, which is the constant for the conversion of revolutions per minute to cycles per second. The formula for calculating frequency is: f = (number of poles x RPM)/120.
The output voltage of an AC generator can be calculated using the formula V = K x N x A x B, where V is the output voltage, K is a constant (usually between 0.95 and 0.98), N is the number of turns per coil, A is the cross-sectional area of the coil, and B is the magnetic flux density.
The power output of an AC generator can be calculated by multiplying the output voltage by the output current. The formula for power is P = V x I, where P is power in watts, V is voltage in volts, and I is current in amperes.
The efficiency of an AC generator can be calculated by dividing the output power by the input power and multiplying by 100 to get a percentage. The formula for efficiency is: η = (Pout/Pin) x 100%, where η is efficiency, Pout is output power, and Pin is input power.
The output voltage of an AC generator can be affected by several factors, including the speed of the generator, the number of turns in the coil, the strength of the magnetic field, and the amount of resistance in the circuit. Changes in any of these factors can cause fluctuations in the output voltage.