33032: Electrical Machines-I Electrical 3rd Sem Syllabus for Diploma TNDTE M Scheme

Electrical Machines-I 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 (33032), 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 3rd sem syllabus for diploma m scheme tndte you can visit Electrical 3rd Sem Syllabus for Diploma M Scheme TNDTE Subjects. The detail syllabus for electrical machines-i is as follows.

Rationale:

• This subject is classified under core technology group which intends to teach the facts, concepts, principles of electrical machines, such as DC generators, DC motors, single & three phase transformers and DC electrical source (battery).
• Student will be able to analyze the characteristics of DC generators and motors, Transformers, battery & Qualitative parameters of these static and dynamic machines. These machines are used in transmission, distribution and utilization systems.
• Knowledge gained by students will be helpful in study of technological subjects such as utilization of electrical energy, switchgear & protection, manufacturing processes & maintenance of electrical machines.

Objectives:

Students will be able to:

1. Know the constructional details & working principles of dc machines and transformers.
2. Evaluate the performance of dc generators, motors & transformers.
3. Decide the suitability of dc generator, motor & transformer for particular purpose.
4. Write the specifications of dc machines & transformers as per requirement.
5. Know the constructional details, working principle, testing and capacity of battery

Unit 1

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Unit 2

D C Motors

Principle of operation of D.C. Motors – Fleming’s left hand rule – Construction – Back emf – Torque equation – Types of motors -Torque-current, Speed-current, Speed-Torque characteristics of different motors – Speed control of DC motors – Field control and armature control- necessity of Starters- 3 Point and 4 Point starters -losses in D.C. Machines – Testing of D.C. machines – Predetermination of efficiency of motor and generator by Swinburne’s test – Problems in above topics – Applications of D.C. Motors. 12

Unit 3

Single Phase Transformers

Principle of operation – Constructional details of core, shell type transformers – coil assembly – EMF Equation – Voltage ratio -Transformer on No load – Transformer on load – Current ratio – Phasor diagram on no load and on load at different power factors – O.C. test, S.C. test – Determination of equivalent circuit constants- Determination of voltage regulation and efficiency – Condition for maximum efficiency – All day efficiency – Problems on the above topics – polarity testParallel operation of single phase transformers- Auto transformer -principle – saving of copper – applications. 14

Unit 4

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Unit 5

Storage Batteries

Classification of cells -construction – chemical action and physical changes during charging , discharging – internal resistance and specific gravity of lead acid, nickel iron and nickel cadmium cells – indication of fully charged and discharged battery -defects and their remedies -capacity – methods of charging – maintenance – applications. 12

Text Books:

1. A Text Book Of Electrical Technology Volume II B.L. Theraja S.Chand & Co.New Delhi
2. Electrical Technology Edward Hughes Addision – Wesley International Student Edition

Reference Books:

For complete syllabus and results, class timetable and more pls download iStudy Syllabus App. It’s a lightweight, easy to use, no images, no pdfs platform to make students life easier.

For detail syllabus of all other subjects of BE Electrical, M scheme do visit Electrical 3rd Sem syllabus for M scheme.

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