Switchgear and Protection detailed Syllabus for Electrical & Electronics (EU), 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 Electrical & Electronics (EU) Syllabus for 5th Sem I – Scheme MSBTE, do visit Diploma in Electrical & Electronics (EU) Syllabus for 5th Sem I – Scheme MSBTE Subjects. The detailed Syllabus for switchgear and protection 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:
- Maintain switchgear and protection schemes used in electrical power systems.
Course Outcomes:
The theory, practical experiences and relevant soft skills associated with this course are to be taught and implemented, so that the student demonstrates the following industry oriented COs associated with the above mentioned competency:
- Identify various types of faults in power system.
- Select suitable switchgears for different applications.
- Test the performance of different protective relays.
- Maintain protection systems of alternators and transformers.
- Maintain protection schemes for motors and transmission lines.
- Maintain protection schemes for power system against over voltages.
Suggested 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
- Switchgear testing kit( 0-500V),( 1-100A), variable AC and DC, with timer
- Cut sections and charts of MCB, MCCB, ELCB, HRC Fuse, ACB, Contactors and Induction type Over current/Earth fault, Microprocessor, Numerical relays.
- HRC Fuses:5A, 10A, 16A, 32A, 100A.
- Mcb (Sp/Spn/Tp/Tpn): 5A, 10A, 16A, 20A
- Mccb: 32A, 63A.
- ACB or VCB: 200A.
- Over-current Induction type electromagnetic relay: 10A
- Transformer protection simulation Kit.
- Three phase induction motor with Single phasing preventer: 3FIP.
- Transmission line protection simulation Kit.
- Thyrite type Lightning arrester.
- Earth tester 500 V, hand driven or digital type.
Unit 1
Basics of protection
Total Teaching Hours – 08
Distribution of Theory Marks
R Level – 04
U Level – 04
A Level – 02
Total Marks – 10
Unit Outcomes (UOs) (in cognitive domain.
- Describe the functions of elements of the given protective system.
- Explain with sketches the given types of faults and abnormalities in a power system.
- Explain with sketches the concept of the Backup protection for the given protection zone.
- Calculate the short circuit currents of symmetrical faults.
- Select suitable current limiting reactors for the given situation with justification.
Topics and Sub-topics
- Necessity, functions of protective system.
- Normal and abnormal conditions.
- Types of faults and their causes.
- Protection zones and backup protection
- Short circuit fault calculations in lines fed by generators through transformers
- Need of current limiting reactors their arrangements.
Unit 2
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Unit 3
Protective Relays
Total Teaching Hours – 16
Distribution of Theory Marks
R Level – 04
U Level – 06
A Level – 06
Total Marks – 16
Unit Outcomes (UOs) (in cognitive domain.
- Explain the given terms related to protective relays.
- Explain need of the given type of relay in power system.
- Explain with sketches the working of the given protective relay.
- Select relevant protective relay for required application with justification.
- Explain the steps for the specified settings of the given relay.
Topics and Sub-topics
- Fundamental quality requirements: Selectivity, Speed, Sensitivity, Reliability, Simplicity, Economy.
- Basic relay terminology- Protective relay, Relay time, Pick up, Reset current, current setting, Plug setting multiplier, Time setting multiplier.
- Protective relays: Electromagnetic disc relay operation, Thermal relay. Block diagram and working of Static relay, over voltage relay.
- Over current relay-Time current characteristics.
- Microprocessor based protection relays: Block diagram, working and protection features.
- Distance relaying- Principle
- Directional relay: Need and operation with block diagram.
- Operation of current and voltage differential relay.
Unit 4
Protection of Alternator and Transformer
Total Teaching Hours – 16
Distribution of Theory Marks
R Level – 04
U Level – 06
A Level – 06
Total Marks – 16
Unit Outcomes (UOs) (in cognitive domain.
- Describe the causes and remedies of the given faults in the specified machine.
- Explain with sketches the given protection schemes of the specified machine.
- Calculate CT ratio of the specified transformer protection scheme.
- Calculate percentage of winding protected for the specified alternator.
Topics and Sub-topics
Alternator Protection
- Faults
- Differential protection : over current, earth fault, overheating and field failure protection.
- Reverse power protection.
Transformer Protection
- Faults.
- Differential, over current, earth fault, over heating protection.
- Limitations of differential protection.
- Buchholz relay: Construction, operation, merits and demerits.
- Introduction to Microprocessor based transformer protection.
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 the 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:
- Collect specifications of different switchgear equipment used in electrical power system through market survey/visit and write a technical report.
- Visit 400,220,132,66,33kV substation and take the help of sub-station in-charge to understand various switchgears, protective schemes and occurrences of faults.
- Collect data of different protective schemes used for alternator, transformer, bus bar and transmission lines through internet/ industrial visit.
- Write all the safety precautions which are to be taken while working with different switchgears and protective schemes.
- Collect data of Lightning arresters used for substation through internet/ industrial visit.
Suggested Special Instructional Strategies:
These are sample strategies, which the teacher can use to accelerate the attainment of the various 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 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.
- Correlate subtopics with power system protection and electrical equipments.
- Use proper equivalent analogy to explain different concepts.
- Use Flash/Animations to explain various Switchgears and protection schemes.
- Use open source MATLAB models to explain different concepts of protective schemes.
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 Power System Mehta V.K; Rohit Mehta . S.Chand and Co., New Delhi., 2016 ISBN: 978-81-2192-496-2.
- Switchgear and Protection Rao.Sunil S. Khanna Publishers, New Delhi, 2015 ISBN: 978-81-7409-232-3.
- Switchgear and Power System Protection Singh, R. P. PPII Learning, New Delhi,2015 ISBN: 978-81-203-3660-5.
- Switchgear and Protection Gupta. J. B. S. K. Kataria and Sons, New Delhi, 2015ISBN: 978-93-5014-372-8.
- Switchgear and Protection Veerapan, N., Krishnamurty, S. R. S .Chand and Co., New Delhi. 2014 ISBN: 978-81-2193-212-7.
- Power System Protection and Switchgear Ram, Badri Vishwakarma D. N. McGraw-Hill, New Delhi. 2015 ISBN : 978-07-107774-X
Software/Learning Websites:
- www.cgglobal.com
- www.youtube.com /switchgears
- www.dreamtechpress.com /eBooks
- www.nptelvideos.in/electrical engineering/ relays
- www.electrical4u.com
- www.en.wikipedia.org
- www.abb.co.in/ProductGuide/
- https://play.google.com/store/apps/
For detail Syllabus of all other subjects of Electrical & Electronics, I – scheme do visit Electrical & Electronics 5th Sem Syllabus for I – scheme.
For all Electrical & Electronics results, visit MSBTE Electrical & Electronics all semester results direct links.