Electrical Machines – II detail TNDTE Diploma syllabus for Electrical And Electronics Engineering (EE), M scheme is extracted from TNDTE official website and presented for diploma students. The course code (33041), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.
For all other electrical 4th sem syllabus for diploma m scheme tndte you can visit Electrical 4th Sem Syllabus for Diploma M Scheme TNDTE Subjects. The detail syllabus for electrical machines – ii is as follows.
Rationale:
- This subject is classified under core technology group intended to teach students facts, concepts, Principles of electrical machines such as induction motor, alternator and synchronous motor.
- Student will be able to analyze the characteristics and qualitative parameters of these machines.
- These machines are widely used in industries and for generation of electricity.
- The knowledge gained by the student is useful in the study of technological subjects such as Utilization System, Manufacturing Processes and Testing and Maintenance of Electrical machines.
- The knowledge and skills obtained will be helpful in discharging technical functions such as Supervision, controlling and as R & D technician.
Objectives:
The students should be able to
- Alternator Principle, Construction, Types, EMF Induced and cooling
- Performance of an Alternator, Testing, Characteristics, parallel operation, Load sharing etc.,
- 3-0 Induction Motor, Principle, Construction, Types, Characteristics and Applications, starting Methods
- 1-0 Motor types, Construction, Characteristics and Applications Synchronous Motor, Starting, Construction, Characteristics and Applications
- Special AC machines and DC machines Construction, Characteristics and Applications
Unit 1
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Unit 2
Alternator Performance And Testing
Load characteristics of alternators – reason for change in terminal voltage -Qualitative treatment of armature reaction for various power factor loads – effective resistance – leakage reactance – synchronous reactance, synchronous impedance -Voltage regulation – Determination of voltage regulation by synchronous impedance method (simple problems)- MMF method – potier method. Necessity and conditions for parallel operation of alternators – synchronizing by dark lamp method, bright lamp method ,dark – bright lamp method and synchroscope methodsynchronizing current, synchronizing power and synchronizing torque – load sharing of alternators -infinite bus bar .
Unit 3
Three Phase Induction Motor
Rotating magnetic field – Principle of operation of three phase induction motors – slip and slip frequency – comparison between cage and slip ring induction motors -development of phasor diagram – expression for torque in synchronous watts -slip-torque characteristics – stable and unstable region – no load test and blocked rotor test – development of approximate equivalent circuit – problems on the above topics – simplified circle diagram – determination of maximum torque, slip (problems not required) – starting torque and starting current expression -relationship between starting torque and full load torque – speed control of induction motors. Starters of induction motors – direct on line starter and its merits for cage motors – star delta starter- auto transformer starter -rotor resistance starter – cogging -crawling in induction motordouble cage induction motor-induction generator.
Unit 4
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Unit 5
Special Ac Machines
Permanent magnet Synchronous motors – Construction and performance – Advantages – Applications -Synchros -Constructional features – Control Transmitter – Control receiver -Applications of synchros- A.C. Servo motors – Two phase A.C. Servo motor – Linear induction motor.
Special Dc Machines
Permanent Magnet D.C. Motor – Construction-Working principle – Speed control – Advantages – Applications – Servo motors – D.C. Servomotors – Stepper motors – Variable reluctance stepper motor – Permanent magnet stepper motor.
Text Books:
- A Text Book Of Electrical Technology -Volume II B.L. Theraja S.Chand& Co. New Delhi
- Electrical Technology Edward Hughes Addision- Wesley International Student Edition
Reference Books:
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For detail syllabus of all other subjects of BE Electrical, M scheme do visit Electrical 4th Sem syllabus for M scheme.
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