Question

Discuss about the vaorious types of thermal ratings of the electrical machine

Answer 1

Generators are classified into two types, AC generators and DC generators.

AC generator.

DC generator.

AC motor.

DC motor.

Permanent magnet machines.

Brushed machines.

Induction machines.

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Answer 2

In electrical engineering, electric machine is a general term for machines using electromagnetic forces, such as electric motors, electric generators, and others. They are electromechanical energy converters: an electric motor converts electricity to mechanical power while an electric generator converts mechanical power to electricity. The moving parts in a machine can be rotating (rotating machines) or linear (linear machines). Besides motors and generators, a third category often included is transformers, which although they do not have any moving parts are also energy converters, changing the voltage level of an alternating current .