Alternator = AC electricity
Generator = DC electricity
Electrical generator: A device for converting mechanical (kinetic) energy into electrical energy.
generator
A generator in a power plant converts rotating kinetic energy into electrical energy An electric motor is a device which changes electrical energy into kinetic. For example-- Fans could be like electric energy to kinetic energy...
Kinetic
They don't. An electric motor is designed to convert electrical energy to kinetic energy, not the other way round. A device that converts kinetic energy to electrical energy is called a generator or a dynamo. Sometimes the same device can do both things (convert in both directions), but since the device is especially optimized for one function, it may not be very good at the other one.
Kinetic
Generator
Wind turbines convert the kinetic energy of the wind into mechanical energy, which is then transformed into electrical energy. They do not convert energy directly back into potential, kinetic, or thermal energy.
A wind turbine is the device used to harness wind energy and convert it into electrical energy. The blades of the turbine capture the kinetic energy in the wind, which then drives a generator to produce electricity.
An electric motor uses an electromagnet to convert electrical energy into kinetic energy. The electromagnet creates a magnetic field that interacts with a permanent magnet, causing the motor to spin and generate mechanical motion.
A generator.
The device which convert mechanical energy in to electrical energy is "Dynamo".