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Syllabus | B. Tech. Electronics & Communication Engineering | Electromechanical Energy Conversion

13040516   Electromechanical Energy Conversion L T P C
Version1.0 Date of Approval: — 3 1 0 3

Course Objectives

To study the working of different electrical machines.

Course Outcomes:

  1. Students learn to analyze three phase networks
  2. Students learn to analyze magnetic fields and circuits
  3. Students learn to analyze principles of electromechanical energy conversion
  4. Students learn to analyze performance of transformers
  5. Students learn to analyze performance of synchronous generators
  6. Students learn to analyze performance of induction motors 

Catalog Description

Electromechanical Energy Conversion 

Text Books:

  1. D.P.Kothari & I.J.Nagrath, “Electric Machines”, Tata Mc Graw Hill
  2. Ashfaq Hussain“Electric Machines” Dhanpat Rai & Company 

Reference Books:

  1. P.S.Bimbhra, “Electrical Machines”, Khanna Publisher
  2. Fitzerald,A.E.,Kingsley and S.D.Umans “Electric Machinery”, MC Graw Hill.

Course Content

Unit I:                                                                                                              

12 lecture hours

Magnetic Circuits and Induction: Magnetic Circuits, Magnetic Materials and their properties, static and dynamic EMFs, force on current carrying conductor, AC operation of Magnetic Circuits, Hysteresis and Eddy current losses.

Unit II                                                                                                           

12 lecture hours            

DC MACHINES : Basic theory of DC generator, brief idea of construction and working, EMF equation, load characteristics, basic theory of DC motor, concept of back EMF, torque and power equations, load characteristics, starting methods and speed control of DC motors, applications.

Unit III                                                                                                           

12 lecture hours            

SYNCHRONOUS MACHINE: Constructional features, Armature winding, EMF Equation, Winding coefficients, equivalent circuit and phasor diagram, Armature reaction, O. C. & S. C. tests, Voltage Regulation. SYNCHRONOUS MOTOR: Starting methods, Effect of varying field current at different loads, V- Curves.

Unit IV                                                                                                        

12 lecture hours            

Three Phase Transformer & Induction Machine: Review of Single phase transformer. Three Phase transformer: Basics & operation. Induction Machine: Constructional features, Rotating magnetic field, Principle of operation Phasor diagram, equivalent circuit, torque and power equations, Torque- slip characteristics, no load & blocked rotor tests, efficiency, Induction generator & its applications. Introduction of Single phase Induction Motor, Repulsion motor. AC Commutator Motors: Universal motor, Single phase a.c. series compensated motor, stepper motors, servo motor.

Mode of Evaluation: The theory and lab performance of students are evaluated separately. 

  Theory Laboratory Theory and laboratory
Components Internal SEE Internal SEE
Marks 50 50    
Total Marks 100  
Scaled Marks     100