Electrical Engineering Semester 5 Syllabus


Electrical Engineering Semester 5 Syllabus

Protection and Switchgear Engineering
Instrument Transformers: Current Transformers – Introduction, Terms and Definitions, Accuracy class, Burden on CT, Vector diagram of CT, Magnetization curve of CT, Open circuited CT secondary, Polarity of CT and connections, Selection of CT for protection ratings, Types & construction, Multi wound CTs, Intermediate CTs, Transient behavior, Application for various protections. Voltage Transformers – Introduction, Theory of VT, Specifications for VT, Terms & definitions, Accuracy classes & uses, Burdens on VT, Connection of VTs, Residually connected VT, Electromagnetic VT, CVT & CVT as coupling capacitor, Transient behavior of CVT, Application of CVT for protective relaying. Substation Equipment:
Switching Devices:- Isolator & Earthling Switch(Requirements & definitions, Types of construction, Pantograph isolators, Ratings),Contactors(Basic working principle, Terms & definitions, Contactors as starters for motors, Rated characteristics/utilization category of contactors), Circuit Breakers (working principle, Construction, operating mechanisms, Arc initiation, arc quenching principles, ratings & applications of MCB, MCCB, ELCB, air circuit breakers, oil circuit breakers, SF6 circuit breakers, vacuum circuit breakers, Mechanical life, electrical life and testing of circuit br3eakers), Switch Boards, Acquaintance with ISI Standards HRC Fuses & their applications-Introduction, types of devices with fuse, definitions, construction, fuse link of HRC fuse, Action of HRC fuse, shape of fuse element, specification of a fuse link, characteristics of fuse, cut-off, classification & categories, selection of fuse links, fuse for protection of motor, discrimination, fuse for protection of radial lines/meshed feeders, equipment incorporating fuses, high voltage current limiting fuses, expulsion type high voltage fuses, drop out fuse. Introduction to Protective relaying: About protective relaying, Shunt & Series Faults, causes and Effects of faults, Importance of protective relaying, Protective zones, primary & Back-up protection, Back-up protection by time grading principle, desirable qualities of protective relaying, some terms in protective relaying, Distinction between relay unit, protective scheme and Protective system, Actuating quantities, Thermal Relays Electromechanical relays and static relays, Power line carrier channel, programmable relays, system security, role of engineers. Electromagnetic relays – Introduction, basic connections of relay, Auxiliary switch, sealing and auxiliary relays, measurement in relays, Pick up, drop off, Attracted armature & induction disc relays, Thermal, bimetal relays, Frequency relays, under/over voltage relays, DC relays, All or nothing relays. Different Principles of protection – Over current& earth fault (non- directional & directional types) , differential protection, distance protection (Working Principle of Impedance relay, Causes and remedies of Over reach-under reach, Reactance and Mho relay, Power swing blocking relay).Protection schemes provided for major apparatus: Generators – Stator side(Differential , Restricted Earth fault, protection for 100% winding, Negative phase sequence, Reverse power, turn-turn fault), Rotor side (Field suppression, field failure, Earth fault, turn to turn fault) Transformers-Differential protection for star delta Transformer, Harmonic restraint relay, REF protection, Protection provided for incipient faults (Gas actuated relay). Induction motors – Protection of motor against over load, short circuit, earth fault, single phasing, unbalance, locked rotor, phase reversal, under voltage, winding temperature. University of Mumbai Electrical Engineering Rev 2012-13

Protection of Transmission Lines: Feeder protection – Time grading, current grading , combined time & current grading protection provided for Radial, Ring Main, Parallel, T-Feeder. Bus Zone Protection – Differential protection provided for different types of bus zones. LV, MV, HV Transmission Lines – Protection provided by over current, earth fault, Differential and Stepped distance protection. EHV & UHV Transmission lines – Need for auto reclosure schemes, Carrier aided distance protection (Directional comparison method), Power Line Carrier Current protection (Phase comparison method).Introduction to Static & Numerical Relays Advantages and Disadvantages, Revision and application of op-amps, logic gates, DSP, Signal sampling, Relays as comparators (Amplitude & phase), Distance relays as comparators.

Assessment: Internal Assessment consists of two tests out of which; one should be compulsory class test (on minimum 02 Modules) and the other is either a class test or assignment on live problems or course project. End Semester Examination: Some guidelines for setting the question papers are as, six questions to be set each of 20 marks, out of these any four questions to be attempted by students. Minimum 80% syllabus should be covered in question papers of end semester examination. Oral Examination on the entire syllabus at the end of semester. The distribution of marks for the term work shall be as follows: Laboratory work (experiments) : 10 marks Assignments : 10 marks Attendance : 05 marks
Books Recommended: Text Books:
1. Switchgear & Protection by Sunil.S.Rao, Khanna Publications
2. Power system Protection & Switchgear by Badriram Vishwakarma, TMH
3. Power System Protection And Switchgear by Bhuvanesh A O, Nirmal CN, Rashesh PM, Vijay HM, Mc Graw Hill
 
Electrical Machines- II
 
Three Phase Transformers- Construction & Phasor groups: Construction, Three phase transformer connections and phasor groups. Three Phase Transformers- Operation: Parallel operation, Excitation Phenomenon in transformers, Harmonics in three phase transformers, Disadvantages of harmonics in transformers, Suppression of harmonics, Oscillating neutral phenomenon, Switching in transient phenomenon, Open delta or V- connection, Three phase to two phase conversion (Scott connection).Three Phase Induction Motors-Introduction:
Construction, Principle of operation, Rotor frequency, Rotor emf, Current and Power, Induction motor phasor diagram, Analysis of Equivalent circuit, Torque-speed characteristics in braking, motoring and generating regions, Effect of voltage and frequency variations on Induction motor performance, Losses and efficiency, Power stages, No load and block rotor test, Circle diagram, Applications of 3? IM

Three Phase Induction Motors- Speed Control and Starting: Speed control methods including V/f method (excluding Slip power recovery scheme), Starting methods, High torque motors, Cogging and crawling, Basic principle of Induction Generator.

Single phase Induction Motor-Introduction: Principle of operation, Double field revolving theory, Equivalent circuit of single phase induction motor, Determination of equivalent circuit parameters from no load and block rotor test.

Single phase Induction Motor- Starting Methods: Staring methods, Split phase starting- Resistance spilt phase, capacitor split phase, capacitor start and run, shaded pole starting, Reluctance starting. Calculation of capacitor at starting. Applications of 1? IM

Assessment: Internal assessment consists of two tests out of which one should be compulsory class test (on minimum 02 modules) and the other is either a class test or assignment on live problems or course project. End Semester Examination: Some guidelines for setting the question papers are as, six questions to be set each of 20 marks, out of these any four questions to be attempted by students. Minimum 80% syllabus should be covered in question papers of end semester examination. Practical and Oral examination: The distribution of marks shall be as follows: Performance of Experiments : 15 marks Oral examination : 10 marks Term work: Term work shall consist of minimum Eight experiments, Assignments (minimum Two). The distribution of marks for the term work shall be as follows: Laboratory work (experiments) : 10 marks Assignments : 10 marks Attendance : 05 marks
Books Recommended: Text Books: 1. „Electrical Machinery?, by Dr. P.S.Bhimhra, VII Edition, Khanna Publication
University of Mumbai Electrical Engineering Rev 2012-13
2. „Generalized Theory of Electrical Machines?, by Dr. P.S.Bhimhra, V Edition,Khanna Publication 3. „Electrical Machines?, by Nagrath and Kothari.TMH Publication. 4. „Electrical Machines?, by Charles I. Hubert, Pearson Education
 
Electromagnetic Fields and Waves
Vector Basics: Introduction to Co-ordinate System – Rectangular – Cylindrical and Spherical Co-ordinate System – Introduction to line, Surface and Volume Integrals – Definition of Curl, Divergence and Gradient .

Course Code
Course Name
Credits
EEC503
Electromagnetic Fields and Waves
Course Objectives
? Expose students Electric and magnetic field and their application in electrical engineering
Course Outcomes
? Students will be familiar with the various concepts Electric and magnetic field and their practical application in electrical engineering
University of Mumbai Electrical Engineering Rev 2012-13

Static Electric Fields: Coulomb?s Law in Vector Form – Definition of Electric Field Intensity – Principle of Superposition – Electric Field due to discrete charges, Electric field due to continuous charge distribution – Electric Field due to line charge– Electric Field on the axis of a uniformly charged circular disc – Electric Field due to an infinite uniformly charged sheet. Electric Scalar Potential – Relationship between potential and electric field – Potential due to infinite uniformly charged line – Potential due to electrical dipole – Electric Flux Density – Gauss Law Introduce applications of electrostatic fields – electrostatic discharge, high dielectric constant material.Static Magnetic Fields: The Biot-Savart?s Law in vector form – Magnetic Field intensity due to a finite and infinite wire carrying a current I – Magnetic field intensity on the axis of a circular and rectangular loop carrying a current I – Ampere?s circuital law and simple applications. Magnetic flux density – The Lorentz force equation for a moving charge and applications – Force on a wire carrying a current I placed in a magnetic field – Torque on a loop carrying a current I – Magnetic moment – Magnetic Vector Potential.

Electric and Magnetic Fields in Materials: Poisson?s and Laplace?s equation – Electric Polarization-Nature of dielectric materials- Definition of Capacitance – Capacitance of various geometries using Laplace?s equation – Electrostatic energy and energy density – Boundary conditions for electric fields – Electric current – Current density – point form of ohm?s law – continuity equation for current. Definition of Inductance – Inductance of loops and solenoids – Definition of mutual inductance – simple examples. Energy density in magnetic fields –magnetic boundary conditions. Estimation and control of electric stress- control of stress at an electrode edge.

Time varying Electric and Magnetic Fields: Faraday?s law – Maxwell?s Second Equation in integral form from Faraday?s Law – Equation expressed in point form. Displacement current – Ampere?s circuital law in integral form – Modified form of Ampere?s circuital law as Maxwell?s first equation in integral form – Equation expressed in point form. Maxwell?s four equations in integral form and differential form.

Wave theory: Derivation of Wave Equation – Uniform Plane Waves – Maxwell?s equation in phasor form, Wave equation in Phasor form – Plane waves in free space and in a homogenous material. Wave equation for a conducting medium, plane waves in lossy dielectrics, propagation in good conductors.

Internal Assessment consists of two tests out of which; one should be compulsory class test (on minimum 02 Modules) and the other is either a class test or assignment on live problems or course project. End Semester Examination: Some guidelines for setting the question papers are as, six questions to be set each of 20 marks, out of these any four questions to be attempted by students. Minimum 80% syllabus should be covered in question papers of end semester examination. Term work: Term work consists of minimum six tutorials (one on each module) and three simulation or experiments. The distribution of the term work shall be as follows: Tutorials and simulation/experiments (Journal) : 10 marks Assignments : 10 marks Attendance : 05 marks
Text books:
1. W. Hayt., “Engineering electromagnetic”, McGraw Hill, 4th edition, 1987.
2. Edminister, “Schaum?s series in electromagnetic” McGraw Hill publications, 3rd edition, 1986.
3. N. Narayan Rao, “ Elements of Electromagnetic”, PHI publication, 4th edition, 2001.
4. E.C. Jordan & K.G. Balmain “Electromagnetic Waves and Radiating Systems.” Prentice Hall of India 2nd edition 2003. (Unit IV, V). McGraw-Hill, 9th reprint
5. G.S.N. Raju, “ Electromagnetic Field Theory and Transmission Lines” Pearson publications, fifteenth impression,2013.
 
Power Electronics
Thyristors : Basic operation of silicon controlled rectifier, two transistor analogy, Static and Dynamic characteristics, Gate characteristics, Firing circuits – R, RC, ramp triggering of UJT, Commutation circuits, Protection circuit of SCR, Basic operation and characteristic of Triac, GTO, Diac.

Other power semiconductor devices: Basic operation and characteristics of power diodes, power BJTs, power MOSFETs, IGBTs, Comparison of devices, applications, need for driver circuits and snubber circuits, heat sinks.

Controlled Rectifiers: Single phase half wave rectifiers, full wave rectifiers (mid-point and bridge configuration) for R and R-L load, freewheel diode, harmonic analysis of input current and input power factor for single phase fully controlled rectifier, effect of source inductance (concept only), single phase dual converter, Three phase semi converter and full converter with R load, Applications, Numerical for calculation of output voltage, single phase PWM rectifier, basic working principle and applications.

Inverter: Principle of operation, Performance parameters, Single phase voltage source bridge Inverters, Three phase VSI (120° and 180° conduction mode), control of inverter output voltage , PWM techniques-Single PWM, Multiple PWM, Sinusoidal PWM, Introduction to Space vector modulation, Current source inverters, comparison of VSI and CSI, Applications.DC to DC Converter: Basic principle of dc to dc conversion, switching mode regulators – Buck, Boost, Buck-Boost, Cuk regulators, concept of bidirectional dc to dc converters, all with resistive load and only CCM mode, Applications, Numerical included.

AC voltage controllers: On-Off and phase control, Single phase AC voltage controllers with R and RL loads. Cyclo converters, Matrix converter: Basic working principle.

Internal Assessment consists of two tests out of which; one should be compulsory class test (on minimum 02 Modules) and the other is either a class test or assignment on live problems or course project. End Semester Examination: Some guidelines for setting the question papers are as, six questions to be set each of 20 marks, out of these any four questions to be attempted by students. Minimum 80% syllabus should be covered in question papers of end semester examination. Term work: Term work shall consist of following minimum six experiments, Assignments (minimum Two). The distribution of marks for the term work shall be as follows: Laboratory work (experiments) : 10 marks Assignments : 10 marks Attendance : 05 marks
Text Books:
1. “Power Electronics” M.H.Rashid, Prentice-Hall of India
2. “Power Electronics”, Ned Mohan, Undeland, Robbins, John Wiley Publication
3. “Power Electronics”, P.C Sen, Tata McGrawhill
4. “Power Electronics: Devices, Circuits and Matlab Simulations” by Alok Jain, Penram International publishing Pvt Ltd
5. “Power Electronics”, V.R Moorthi, Oxford University press
6. “Thyristors & their applications”, Ramamurthy
7. “Power Electronics”, M.D Singh and Khanchandani, Tata McGrawhill
 
Communication Engineering
Introduction: Types of signals, Signal spectrum and band width, Fourier Series, Fourier Transform, Analog and Digital communication system (block diagram).

Analog Communication: Analog Modulation Demodulation Techniques (AM, FM & PM), Amplitude Modulation (AM) – DSBFC, DSBSC, SSB generation, Frequency Modulation (FM) – Noise Triangle, Pre-emphasis and De-emphasis, generation Techniques, Phase Modulation (PM) – Generation Techniques, Radio Receivers, TRF and Superhyterodyne Receivers, AGC Methods, FM Receivers.

Information Theory: Concept of information, Entropy of discrete system, Transmission rate and channel capacity of noisy channels, Shannon?s theorem on channel capacity, sampling theorem, Source encoding: Shannon – Fano algorithm, Huffman technique.

Digital Communication : PCM, Delta Modulation and Adaptive delta modulation, ASK, FSK, PSK-BPSK, DPSK (Transmitter Receiver block diagram, Waveforms, Spectrum).

Coding Techniques (Algorithmic Approach): Linear block codes (coding and decoding), Cyclic codes (generation), Convolution codes (generation only, state diagram and code tree not included).

Overview of different types of communication : Power Line Carrier communication, Satellite communication, OFC (Block Diagram only)

Assessment: Internal Assessment consists of two tests out of which; one should be compulsory class test (on minimum 02 Modules) and the other is either a class test or assignment on live problems or course project. End Semester Examination: Some guidelines for setting the question papers are as, six questions to be set each of 20 marks, out of these any four questions to be attempted by students. Minimum 80% syllabus should be covered in question papers of end semester examination. Term work: Term work shall consist of minimum Eight experiments, Assignments (minimum Two) The distribution of marks for the term work shall be as follows: Laboratory work (experiments) : 10 marks Assignments : 10 marks Attendance : 05 marks
Text Books:
1. Tomasi W. “Advanced Electronics Communication systems”, PGI, 4th Edition1998.
2. Taub & Schiling, “Principles of Communication Systems”, McGraw Hill, 2nd Ed. 1987.
3. John C. proakis, “Digital Communication”, McGraw Hill International, 1995.
4. Haykin S, John Wiley & Sons, “Digital Communication”, 3rd Ed. 1995.
 
Business Communication & Ethics&
Report Writing

Objectives of report writing
Language and Style in a report
University of Mumbai Electrical Engineering Rev 2012-13
Types of reports
Formats of reports: Memo, letter, project and survey based
Technical Proposals
Objective of technical proposals
Parts of proposal
3.0
3.0
Introduction to Interpersonal Skills
07
3.1
Emotional Intelligence
3.2
Leadership
3.3
Team Buliding
3.4
Assertiveness
3.5
Conflict Resolution
3.6
Negotiation Skills
3.7
Motivation
3.8
Time Management
4.0
4.0
Meetings and Documentation
02
4.1
Strategies for conducting effective meetings
4.2
Notice
4.3
Agenda
4.4
Minutes of the meeting5.0
Introduction to Corporate Ethics and etiquettes
02
5.1
Business Meeting etiquettes, Interview etiquettes, Professional and work etiquettes, Social skills
5.2
Greetings and Art of Conversation
5.3
Dressing and Grooming
5.4
Dinning etiquette
5.5
Ethical codes of conduct in business and corporate activities (Personal ethics, conflicting values, choosing a moral response, the process of making ethical decisions)
6.0
6.0
Employment Skills
06
6.1
Cover letter
6.2
Resume
6.3
Group Discussion
6.4
Presentation Skills
6.5
Interview Skills

Term Work Term work shall consist of all assignments from the list. The distribution of marks for term work shall be as follows:
University of Mumbai Electrical Engineering Rev 2012-13
? Assignments : 20 marks
? Project Report Presentation: 15 marks
? Group Discussion: 10 marks
? Attendance : 05 marks
The final certification and acceptance of term work ensures
 
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