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Chapter: Electrical machines - Synchronous Generator

Fundamental Principles of A.C. Machines

AC rotating machines can be classified mainly in two categories Synchronous Machines and Asynchronous Machines.

Fundamental Principles of A.C. Machines:

 

AC rotating machines can be classified mainly in two categories Synchronous Machines and Asynchronous Machines. 

They are defined as-

 

Synchronous Machines:


•Synchronous Generators: A primary source of electrical energy.


•Synchronous Motors: Used as motors as well as power factor compensators (synchronous condensers).

 

Asynchronous (Induction) Machines:


•Induction Motors: Most widely used electrical motors in both domestic and industrial applications.


•Induction Generators: This generator runs at asynchronous speed and variable frequency voltage generated. Due to lack of a separate field excitation, these machines are rarely used as generators.

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