Electric Machines and Transformers detailed Syllabus for Industrial Electronics (IE), I – scheme has been taken from the MSBTE official website and presented for the diploma students. For Subject Code, Subject Name, Lectures, Tutorial, Practical/Drawing, Credits, Theory (Max & Min) Marks, Practical (Max & Min) Marks, Total Marks, and other information, do visit full semester subjects post given below.
For all other Diploma in Industrial Electronics (IE) Syllabus for 4th Sem I – Scheme MSBTE, do visit Diploma in Industrial Electronics (IE) Syllabus for 4th Sem I – Scheme MSBTE Subjects. The detailed Syllabus for electric machines and transformers is as follows.
Rationale:
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Competency:
The aim of this course is to help the student to attain the following industry identified competency through various teaching learning experiences:
- Use different types of electrical machines and transformers.
Course Outcomes:
The theory, practical experiences and relevant skills associated with this course are to be taught and implemented, so that the student demonstrates the following industry oriented companies associated with the above mentioned competency:
- Use DC motor in industrial electronics applications.
- Use three phase induction motor in industrial electronics applications.
- Use Alternators and synchronous motors in industrial electronics applications.
- Select relevant special motors for in industrial electronics applications.
- Use transformer for industrial electronics applications.
Suggested Practicals/Exercises
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Instruments Required:
The major equipment with broad specification mentioned here will usher in uniformity in conduct of experiments, as well as aid to procure equipment by authorities concerned.
Equipment Name with Broad Specifications
- DC motor(cut section.
- DC shunt motor and series motor with loading arrangement:3kW, 230V DC, 1500RPM,
- Cut section of Three-phase Induction motor
- Autotransformer: 3kVA, 415V, 3-phase
- Three-phase squirrel cage and /or slip ring Induction motor: 3HP, 415V, 1440RPM
- DOL starter: suitable for 3HP, 415V, 1440RPM squirrel cage and /or slip ring Induction motor
- Star-Delta starter: Automatic or semiautomatic for 3HP, 415V, 1440RPM squirrel cage and /or slip ring Induction motor
- Rotor resistance starter: suitable for 3HP, 415V, 1440RPM slip ring Induction motor
- Three phase induction motor with loading arrangement: 3HP, 415V, 1440RPM squirrel cage type (with coupled DC generator-230V, 3kW.
- Cut section of Synchronous machine
- 5HP, 230V DC shunt motor coupled to 3kW ,415VThree phase Alternator with synchronizing panel :2 sets
- Synchronous motor: 5HP, 1500RPM, 415V
- AC servomotor (Typical specification) : 0 5 kW,220V,2 A,3000 rpm,l 27 N-m with 1000 ppr encoder
- DC servomotor (Typical specification) : 200 W,75 V.3 3 A, 3000 rpm,6 5 Kg-cm with 1000 ppr encoder.
- Stepper motor: DC , 4 winding, torque- 1 Kg-cm, step angle – 1 8 power -12V , 0 2 Amp/ phase
- Transformer: 1 kVA. single-phase, 230/1 15 V, open type : Two nos.
- Rectifier: solid state, Input- 415 V, 3-Phase, AC. Output – 230 V DC regulated, 20 Amp
Unit 1
DC Motors
Total Teaching Hours – 08
Distribution of Theory Marks
R Level – 02
U Level – 02
A Level – 04
Total Marks – 08
Major Learning Outcomes (in cognitive domain)
- Interpret the Torque-Armature current, speed-Torque, Speed-Armature current characteristics of the given DC Motor.
- Explain with sketches the procedure to control the speed of the given DC Motor.
- Describe with sketches the procedure to test the performance of the given DC Motor.
- Select suitable braking method as per the requirement with justification.
- Select suitable DC Motor for the given situation with justification.
- Describe the trouble shooting procedure of the given DC Motor.
Topics and Sub-topics
- DC shunt motor, series motor, compound motor: characteristics.
- Effect of armature voltage on speed of DC motor.
- Effect of flux on speed of DC motor.
- Application of DC motors
- Losses and Efficiency of DC motor
- Braking: Plugging, Rheostatic, Regenerative
- Specification and Rating of DC motor
- Troubleshooting of DC motor.
Unit 2
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Unit 3
Synchronous Machines
Total Teaching Hours – 20
Distribution of Theory Marks
R Level – 04
U Level – 06
A Level – 10
Total Marks – 20
Major Learning Outcomes (in cognitive domain)
- Identify the parts in the given sketch of the Alternator.
- Calculate voltage regulation of the given alternator for the given loads.
- Identify the different parts in the given sketch of the synchronous motor.
- Explain with sketches the working principle of the given type of synchronous motor.
- Select relevant excitation system for the given type of synchronous motor with justification.
- Describe with sketches the braking methods of the given type of synchronous motor.
Topics and Sub-topics
- Alternators: Construction, working and types, EMF equation, Voltage regulation, Rating, Specification, Applications.
- Parallel operation of alternator: Necessity, conditions and advantages.
- Methods of synchronization
- Synchronous Motors: Construction, working principle. Damper winding, Effect of changing field excitation of motor at constant load, V curves, inverted ‘V’ curves, effect of increased load at constant excitation.
- Braking methods of synchronous motor. Specification .Applications
Unit 4
Special Motors
Total Teaching Hours – 08
Distribution of Theory Marks
R Level – 04
U Level – 04
A Level – 06
Total Marks – 14
Major Learning Outcomes (in cognitive domain)
- Identify different parts in the given sketch of the special motor.
- Describe with sketches the construction of the given special motors
- Explain with sketches the working principle of the given special motor
- Interpret the specifications of the given type of special motor.
- Recommend the relevant type of special motor for the given application with justification.
Topics and Sub-topics
- Switched reluctance motor
- Permanent magnet DC motor
- Brushless DC motor(BLDC)
- Stepper motor: Variable reluctance, permanent magnet, Hybrid.
- Low inertia DC motors.
- Permanent magnet synchronous motor.
- DC servomotors.
- AC servo motors.
Unit 5
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Suggested Student Activities:
Other than the classroom and laboratory learning, following are the suggested student-related co-curricular activities which can be undertaken to accelerate tire attainment of the various outcomes in this course: Students should conduct following activities in group and prepare reports of about 5 pages for each activity, also collect/record physical evidences for their (students) portfolio which will be useful for their placement interviews:
- Visit to a small motor manufacturing industry and submit the report on the basis of different parameters.
- Prepare a PowerPoint presentation on the working of DC motor. Induction motor, Synchronous motor, Special motors.
- Make a market survey of different electrical machines and submit the report on the basis of following.
- Type of machine
- Manufacturer
- Name plate details
- Applications
- Visit a nearby Transformer manufacturing company; check how different routine tests are carried out and submit report on it.
Suggested Special Instructional Strategies:
These are sample strategies, which the teacher can use to accelerate the attainment of the various learning outcomes in this course:
- Massive open online courses (MOOCs) may be used to teach various topics/sub topics.
- L in item No. 4 does not mean only the traditional lecture method, but different types of teaching methods and media that are to be employed to develop the outcomes.
- About 15-20% of the topics/sub-topics which is relatively simpler or descriptive in nature is to be given to the students for self-directed learning and assess the development of the LOs/COs through classroom presentations (see implementation guideline for details).
- With respect to item No. 10, teachers need to ensure to create opportunities and provisions for co-curricular activities.
- Guide students in undertaking micro-projects.
- Demonstrate safety practice thoroughly before students start working in laboratory
- Encourage students to refer different websites to have deeper understanding of the subject.
- Encourage students to observe various animated videos concerning the construction and working of different electrical machines.
- Observe continuously and monitor the performance of students in Lab.
Suggested Micro-Projects
For the complete Syllabus, results, class timetable, and many other features kindly download the iStudy App
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Suggested Learning Resources:
- Principles of Electrical Machines Mehta,V.K.and Mehta,Rohit S.Chand and Co.Pvt. Ltd.,New Delhi,2016, ISBN:978-8121921916.
- Electrical Technology Vol. II Theraja, B.L. and Theraja ,A.K. BPB Publications, New Delhi 2016, ISBN:978-8183331630 .
- Electric Machinery and Transformers Bhag, Guru Huseyin, Hiziroglu Oxford University Press, New Delhi ISBN: 978-0198089827.
- Electrical Machines Ghosh,Samarajit Pearson Education India ,New Delhi 2005, ISBN : 978-8131705094.
- Electrical Machines Deshpande, M.V. PHI Learning Pvt. Ltd., New Delhi 2011,ISBN: 978-8120340268.
- Electrical Machinery Bimbhara, P.S. Khanna Publishers, New Delhi 2011, ISBN: 978-8174091734.
Software/Learning Websites:
- www.nptel.ac.in/courses/106105085/4
- www.electricaleasy.com/2014/01
- www.electrical-engineering-portal.com/
For detail Syllabus of all other subjects of Industrial Electronics, I – scheme do visit Industrial Electronics 4th Sem Syllabus for I – scheme.
For all Industrial Electronics results, visit MSBTE Industrial Electronics all semester results direct links.