Understanding Vehicle Alternators and Charging Systems

Front

What is the primary function of an alternator in a vehicle?

Back

To recharge the battery and power electrical accessories

Front

What could happen if the alternator voltage is too high?

Back

It may lead to excessive battery gassing and damage to electrical components

Front

What happens when the alternator voltage is too low?

Back

It may lead to improper operation of electrical components.

Front

What are the two main components of an alternator?

Back

Rotor and stator

Front

What role does the cooling fan play in an alternator?

Back

It cools the alternator to prevent overheating

Front

How many diodes are typically used to rectify current in an alternator?

Back

Six

Front

What is the result of AC to DC conversion in the alternator?

Back

Supplying DC current to the battery and electrical accessories

Front

What is the function of diodes in an alternator?

Back

To convert AC to DC

Front

Where are electronic voltage regulators commonly mounted in modern vehicles?

Back

Both inside the alternator and in the vehicle's PCM

Front

How does the electronic voltage regulator function when the engine starts?

Back

It controls the field current to regulate alternator output voltage