Lecture Plan
Electro-mechanical Energy Conversion –I (TEE – 401)
Objective: The main objective of the subject is to give knowledge about energy conversion from mechanical to electrical and knowledge about three-phase transformer D.C. Machines and its application
|
S.No. |
Syllabus |
No. of Lecture |
Text Book & Page No. |
|
1 |
Principles of Electro-mechanical Energy Conversion - Introduction, Flow of Energy in Electromechanical Devices, Energy in magnetic systems(defining energy & Co-energy) , Singly Excited Systems; determination of mechanical force, mechanical energy, torque equation , Doubly excited Systems; Energy stored in magnetic field, electromagnetic torque , Generated emf in machines; torque in machines with cylindrical air gap . |
8 |
T1-Page No. 148 |
|
2 |
D.C. Machines:- Construction of DC Machines, Armature winding ,Emf and torque equation , Armature Reaction ,Commutation , Interpoles and Compensating Windings, Performance Characteristics of D.C. generators. |
9 |
T1-Page No. 271, Page No.299 |
|
3 |
D.C. Machines (Contd.) :- Performance Characteristics of D.C. motors ,Starting of D.C. motors ; Concept of starting (3 point and 4 point starters) , Speed control of D.C. motors; Field Control , armature control and Voltage Control(Ward Lenonard method) ,Efficiency and Testing of D.C. machines(Hopkinson’s and Swinburn’s Test). |
9 |
T1 Page No.332 |
|
4 |
Transformer :- Three phase transformer Construction, Three – phase unit transformer and Bank of three single phase transformers with their advantages , Three-phase transformer Groups(Phasor groups) and their connections , Y-∆ connection, Open delta connection , Three-phase/ 2 phase Scott connection and it’s application. |
9 |
T1 Page No.49 |
|
5 |
Transformer (Contd) : Sumpner’s test , All day efficiency, polarity test Excitation Phenomenon in Transformers, Harmonics in Single phase and 3-phase transformers , Parallel operation and load sharing of Single phase and three phase transformers , Three winding transformers, Tertiary winding Auto Transformer : Single phase Auto-transformer , Volt-amp relation, efficiency, Conversion of a two-winding Transformer to an Auto transformer, Saving in conductor material, Advantages , disadvantages and applications of autotransformers. |
9 |
T1 Page No.83,115,101 |
Text Books :
1 I.J. Nagrath & D.P.Kothari, “Electrical Machines”, Tata McGraw Hill
2 Husain Ashfaq , “Electrical Machines”, Dhanpat Rai & Sons
Reference Books :
1. A.E. Fitggerald, C.Kingsley Jr and Alexander Kusko, “Electric Machinery”
McGraw Hill, International Student Edition.