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 motors- Stepper 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 Machineryâ€, Tata McGraw Hill publishing Company Ltd, 2003. 2. Gupta J.B., Theory and Performance of Electrical Machinesâ€, S.K.Kataria and Sons, 2002. 3. Kothari D.P. and Nagrath I.J., Electric Machinesâ€, Tata McGraw Hill Publishing Company Ltd, 2002. 4. Bhimbhra P.S. , Electrical Machineryâ€, 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.
