DC Generator Construction - working principle- EMF equation -characteristics of DC generators.- DC motor principle and operations -characteristics of DC motor-DC starters-speed control
Constructional details – principle of operation – EMF Equation – types- Transformation Ratio – Transformer on no load – Parameters referred To HV/LV Windings – Equivalent circuit – Transformer on load – regulation – load test - 3 phase transformers
RMF-Construction – types – principle of operation of three-phase induction motors –Torque Speed Characteristics-Load test– starting and speed control – single-phase induction motors and types.
Linear induction motor – Repulsion motor – Hysteresis motor – AC series motor- Servo motorsStepper motors – introduction to magnetic levitation systems.
Structure of electric power systems –Types of Transmission- EHVAC Transmission- HVDC transmission systems – Substation layout and components. (Concepts only).
Reference Book:
1. Fitzgerald A.E., Charles Kingsley, Stephen.D.Umans, Electric Machinery”, Tata McGraw Hill publishing Company Ltd, 2003. 2. Gupta J.B., Theory and Performance of Electrical Machines”, S.K.Kataria and Sons, 2002. 3. Kothari D.P. and Nagrath I.J., Electric Machines”, Tata McGraw Hill Publishing Company Ltd, 2002. 4. Bhimbhra P.S. , Electrical Machinery”, Khanna Publishers, 2003.
Text Book:
1. Murugesh Kumar K. , „Electric Machines Vo I‟, Vikas Publishing House Pvt Ltd, 2010. 2. Murugesh Kumar K. , „Electric Machines Vol II‟, Vikas Publishing House Pvt Ltd,2010. 3. Mehta V.K. and Rohit Mehta, „Principles of Power System‟, S.Chand and Company Ltd, 2003.
