Electrical Machines

DC Machines

Basics of DC Machines

DC Generators

DC Machine parameters from Open Circuit Characteristics (Video)

DC Motors

DC Motor Starters (pdf)     -     Video

Transformers

Single Phase Transformers

Three Phase transformers

Vector Groups in Transformers(pdf)   -   Video

Autotransformers

Synchronous Machines

Synchronous Generator Basics(pdf)

Regulation of Alternator(pdf)

Operation of Alternators(pdf)

Synchronous Motors(pdf)

Induction Machines

Principle of Induction Motors (Video)

Induction Motors - Theory(pdf)

Circle Diagram of Induction Machines(pdf)    -   Video

Circle Diagram Examples(pdf)

Induction Generators(pdf)       -     Video

Single Phase Induction Motor(pdf)   -   Video

Shaded Pole Motor (Video)