Electrical Machines II

Outline Syllabus:

• Transformers
• Construction of single phase transformers
• Investigation of no loading state
• Loss and efficiency
• Parallel operation of single phase transformers
• Familiarity with three phase transformers
• AC machines
• General construction of three phase machines
• Theory of rotating fields
• Rotating magneto-motive force
• Nominal characteristics of asynchronous motors
• Equivalent circuits of asynchronous motors
• Torque curve
• Slippage, loss and efficiency
• Starting asynchronous motors
• Circle diagrams
• Familiarity with synchronous machines

Credits: 3

Pre-requisites:

• Electric Machines I

Co-requisites:

• None