EE23002 Electrical Machines

Syllabus

Transformer:

Constructional features, equivalent circuit and phasor diagram, regulation and efficiency, parallel operation.

Three phase transformer connections,

Harmonics in transformers,

Testing,

Inrush current,

Phase conversion,

Autotransformer.

Induction Machines:

Constructional features and rotating magnetic field,

Circuit model and phasor diagram,

Steady state characteristics,

Testing, starting and speed control,

Time harmonics and space harmonics,

Single phase induction motor- classification and equivalent circuit,

Universal motors.

References:

1. M.G.Say, Alternating Current Machines, 5^th ed., Sir Issac. Pitman and Sons Ltd. (MGS)

2. A.E.Fitzerald, C. Kingsley, Jr., S. D. Umans, Electric Machinery, 5^th ed., McGraw-Hill Book. Co., (FKU)

3. S.K.Sen, Electrical Machinery, 3^rd ed., Khanna Publishers, Delhi, (SKS)

4. I.J.Nagrath and D.P.Kothari, Electric Machines, 2^nd ed., Tata-McGraw-Hill Pub. Co. Ltd. (N&K)

Details on Synchronous Machines and DC Machines are to be included in this website gradually..