Final answer:
The output voltage of an aircraft generator is maintained through the control of the frequency and amplitude of the generated AC,
with the relation of peak emf to factors such as coil number, area, magnetic field strength, and angular frequency. Voltage regulators ensure stable voltage despite varying loads and engine speeds.
Step-by-step explanation:
The output voltage of an aircraft generator is maintained by regulating the frequency and amplitude of the alternating current (AC) produced by the generator's rotation in a magnetic field. Electric generators contain wire loops that are forced to rotate in this field, generating AC voltage that results in an AC current.
The construction and load of the generator determine the voltage output, which equals the electromotive force (emf) only if there is no load on the system.
The peak emf relates to factors such as the number of coils in the generator, the coils' area, the magnetic field's strength, and the angular frequency at which the generator is spun.
An aircraft generator system uses a variety of mechanisms such as voltage regulators and control systems to ensure that the output voltage remains constant, even if the load or engine speed changes. This is crucial for the safe and reliable operation of the aircraft's electrical systems.
For example, if the AC generator is set to a specific frequency, adjusting the amplitude of the output voltage accordingly will maintain the desired voltage level. Ensuring a stable output requires precise mechanical and electronic controls.