The typical voltage of a car alternator is around 12 volts (V) in passenger vehicles and 24V in heavy-duty vehicles like trucks and buses. However, this voltage can vary slightly depending on the vehicle's electrical system and charging requirements.
AC or DC:
Car alternators generate alternating current (AC) when they create the electrical power. However, the output of the alternator is rectified into direct current (DC) before it is used by the vehicle's electrical system or for charging the battery. The rectification process converts the AC power into DC power using diodes that ensure that the electrical current flows in only one direction.
So, while the alternator generates AC voltage, the car's electrical system relies on DC voltage due to its stability and ability to power various electrical components and accessories in the vehicle. The rectification process within the alternator ensures this electrical power conversion.
