Generators

Electricity can be generated by rotating a magnet or electromagnet next to a coil of wire. The animation shows the principle.

The pictures below show the parts of a large scale generator.

The stator is the stationary part of the generator. It is a hollow cylinder, with coils of wire on the walls of the cylinder. The coils are stationary.

The rotor (below) is an electromagnet that rotates inside the stator.