EE220

Electrical Technology

OBJECTIVES: To teach working principle of DC Machines and AC Machines and Electrical heating and welding. 

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DC Machines and Transformers

DC Machines :generators-motors- Characteristics - Speed control and starting of DC motors - Transformers - types, constructional features and principles of operation – Efficiency

Synchronous and Induction Machines

Synchronous Machines : Characteristics and Voltage regulation of Alternator. Synchronous motors - starting. Induction motors : Torque - speed characteristics - speed control and starters - single phase Induction motors.

Heating and Welding

Electric heating- design, power and efficiency calculations, applications - Welding- resistance welding, arc welding and ultrasonic welding, DC and AC welding sets, applications.

Textbooks:

1. Theraja B.L., ‘ Electrical Technology’, Volume  II, S.Chand, 1997

2.Gupta J.B., ‘ A Course in Electrical Power’, S.K. Kataria,  1996