Transformers and Generators Syllabus for VTU BE/B.Tech Electrical and Electronics Engineering third sem complete syllabus covered here. This will help you understand complete curriculum along with details such as exam marks and duration. The details are as follows.
| Subject Code | 15EE33 | IA Marks | 20 |
|---|---|---|---|
| Number of Lecture Hours/Week | 4 | Exam Marks | 80 |
| Total Number of Lecture Hours | 50 | Exam Hours | 3 |
CREDITS – 04
Course Objectives:
This course will enable students to:
- To understand the concepts of transformers and their analysis.
- To suggest a suitable three phase transformer connection for a particular operation.
- To understand the concepts of generator and to evaluate their performance.
- To explain the requirement for the parallel operation of transformers and synchronous generators.
| Modules | Teaching Hour | Revised Bloom’s Taxonomy (RBT) Level |
|---|---|---|
| Module -1 | _ | |
| Single phase Transformers: Review of Magnetically coupled circuit, Principle of operation, Constructional details of shell type and core type single-phase transformers, EMF equation, Losses and commercial efficiency, Conditions for maximum efficiency (No question shall be set from the review portion). Salient features of ideal transformer, Operation of practical transformer under no – load and on – load with phasor diagrams. Equivalent circuit, Open circuit and Short circuit tests, Calculation of equivalent circuit parameters and predetermination of efficiency- commercial and all-day. Voltage regulation and its significance. Three-phase Transformers: Introduction, Constructional features of three-phase transformers. Choice between single unit three-phase transformer and a bank of three single-phase transformers. Transformer connection for three phase operation – Star/Star, Delta/Delta, Star/Delta, Zigzag/star and V/V, Choice of connection. Phase conversion – Scott connection for three-phase to two-phase conversion. Labelling of three-phase transformer terminals, Vector groups. Equivalent circuit of three phase transformers. | 10 Hours | L1 – Remembering, L2 – Understanding, L3 – Applying, L4 – Analysing |
| Module -2 | _ | |
| Parallel Operation of Transformers: Necessity of Parallel operation, Conditions for parallel operation – Single phase and three phase, Load sharing in case of similar and dissimilar transformers. | 10 Hours | L2 – Understanding, L3 – Applying, L4 – Analysing. |
| Module -3 | _ | |
| Transformers (continuation): Cause and effects of harmonics, Current inrush in transformers, Noise in transformers. Objects of testing transformers, Polarity test, Sumpner’s test. Direct current Generator – Review of construction, Types, Armature windings, Relation between no load and terminal voltage (No question shall be set from the review portion). Armature reaction, Commutation and associated problems, No load and full load characteristics. Synchronous generators– Review of construction and operation of salient & non-salient pole synchronous generators (No question shall be set from the review portion). Armature windings, Winding factors, Emf equation. Harmonics – causes, Reduction and elimination. Armature reaction, Synchronous reactance, Equivalent circuit | 10 Hours | L2 – Understanding, L3 – Applying, L4 – Analysing, L5 -Evaluating. |
| Module -4 | _ | |
| Synchronous generators (continuation): Generator load characteristic. Voltage regulation, Excitation control for constant terminal voltage. Generator input and output. Parallel operation of generators and load sharing. Synchronous generator on infinite busbars – General load diagram, O – curves and V – curves. Power angle characteristic and synchronizing power. Synchronous generators (continuation): Effects of saliency, Two-reaction theory, Direct and Quadrature reactance, Power angle diagram, Reluctance power, Slip test | 10 Hours | L1 – Remembering, L2 – Understanding, L3 – Applying, L4 – Analysing. |
| Module -5 | _ | |
| Synchronous generators (continuation): Open circuit and short circuit characteristics, Assessment of reactance- Short Circuit Ratio, Synchronous reactance, Adjusted synchronous reactance and Potier reactance. Voltage regulation by EMF, MMF, ZPF and ASA methods. Performance of synchronous generators: Capability curve for large turbo generators and salient pole generators. Starting, Synchronizing and control. Hunting and dampers. | 10 Hours | L1 – Remembering, L2 – Understanding, L3 – Applying, L4 – Analysing. |
Course outcomes: After studying this course, students will be able to:
- Explain the construction and operation and performance of transformers.
- Explain different connections for the three phase operations, their advantages and applications.
- Explain the construction and operation of Synchronous machines and evaluate the regulation of synchronous machines by different methods.
- Analyze the operation of the synchronous machine connected to infinite machine.
Graduate Attributes (As per NBA)
- Engineering Knowledge
- Problem analysis
Question paper pattern:
- The question paper will have ten questions.
- Each full question is for 16 marks.
- There will be 2 full questions (with a maximum of four sub questions in one full question) from each module.
- Each full question with sub questions will cover the contents under a module.
- Students will have to answer 5 full questions, selecting one full question from each module
Text/Reference Books
- Electric Machines D. P. Kothari, I. J. Nagrath Mc Graw Hill 4 th Edition, 2011
- Performance and Design of A.C. Machines M. G. Say CBS Publishers 3rd Edition, 2002
- Principles of Electric Machines and power Electronics P.C.Sen Wiley 2nd Edition, 2013
- Electric Machines Mulukuntla S.Sarma, at el Cengage Learning 1 st Edition, 2009
- Electrical Machines, Drives and Power systems Theodore Wildi Pearson 6th Edition, 2014
- Electrical Machines M.V. Deshpande PHI Learning 1st Edition, 2013
- Electrical Machines Abhijit Chakrabarti et al Mc Graw Hill 1st Edition, 2015
- A Textbook of Electrical Machines K.R.Siddapura D.B.Raval Vikas Publishing House Pvt Ltd 1 st Edition, 2014
- Theory of Alternating Current Machines Alexander Langsdorf Mc Graw Hill 2nd Edition, 2001
For all other BE/B.Tech 3rd Sem Subject syllabus do follow VTU 3rd Sem BE / B.Tech Syllabus CBCS (2015-16) Scheme for Electrical and Electronics Engineering Group.
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