File - Department of Electrical Engineering

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MEHRAN UNIVERSITY OF ENGINEERING AND TECHNOLOGY, JAMSHORO
DEPARTMENT OF ELECTRICAL ENGINEERING
Title of Subject
Discipline
Term
Effective
Pre- requisites
Marks
Assessment
:
:
:
:
:
:
:
Credit Hours
Minim Contact hrs
:
:
Aims
:





Objectives

:
Power System Analysis (EL-411)
B.E. Electrical Engineering
7th Semester
13EL-Batch and onwards
Electrical Network Analysis, Electrical Power Transmission
Co-requisite:
Theory: 100
Practical : 50
Sessional work : 20 %
Sessional work : 40 %
Mid Semester Exam: 20 %
Semester Lab Exam: 60%
Final Semester Exam: 60%
03
01
42
42
This course will lead the students to:
Learn to represent the power system components into their equivalent parameters.
Be able to analyze various symmetrical as well as electrical faults and calculate fault current
levels for various systems.
Be able to understand and use and compare various iterative methods of load flow analysis for
determining various node voltages and power flows in lines.
To learn about the methods of voltage profile control.
To understand the electromechanical behavior of various components of power system and
effects of various disturbances.
To learn about machine dynamics and stability of the system.
The objective of this course is to impart adequate knowledge of representing the principal power
system equipment and the methods of analysis. Knowledge of operation of the system and
analysis of various faults are also to be provided.
Contents
:
REPRESENTATION OF POWER SYSTEM:
Single-phase solution of balanced three-phase network. per unit & percentage methods. The impedance and reactance
diagrams.
SYMMETRICAL FAULTS
Transients in RL circuits. Short-circuit currents and the reactances of synchronous machines.
Internal voltages of loaded machines under fault conditions. Selection of circuit breakers
SYMMETRICAL COMPONENTS AND SEQUENCE NETWORKS:
Synthesis of unsymmetrical phasors from their symmetrical Components. symmetrical components of
unsymmetrical phasors. Power in terms of Symmetrical Components. Sequence impedance and network of transmission
lines. Sequence impedance and network of Synchronous machine, Sequence impedance and network of transformers.
Sequence network of Y- and Δ- connected loads. Construction of sequence network of a power system.
UNSYMMETRICAL FAULTS:
Line to ground fault, Line to line fault and double line to ground fault on an unloaded generator, unsymmetrical faults on
power systems, fault through impedance, Comparison of faults on grounded and ungrounded systems.
LOAD FLOW STUDIES:
Network model equations and their formulation, load flow problems, Gauss Seidal iterative method and algorithm for load
flow solution. Newton-Raphsan Method, NR-Algorithm for load flow solution.
Note : Practical/Simulation work is based on the above theoretical course
Books
Recommended
Approval:
:


A.E Guile & W Paterson, Electrical Power Systems, Vol. 1 & 2 (Paragon Press), Latest Edition
J. Nagrath& D.P. Kothari, Modern Power System Analysis, (McGraw Hill), Latest Edition

W.D .Stevenson, Jr, Elements of Power System Analysis, (McGraw Hill), Latest Edition

Mohammad E. El-Harwary, Electrical Power System & Analysis, ,(Reston), TuranGoenin, Latest
Edition
:
Board of Studies, EL. Engg
Board of Faculty of EECE
Academic Council
Res. No. 2.2
Res. No. 7.3
Res. No. 85.10
Dated : 29-05-2013
Dated : 29-12-2014
Dated : 07-07-2015
23
MEHRAN UNIVERSITY OF ENGINEERING AND TECHNOLOGY, JAMSHORO
DEPARTMENT OF ELECTRICAL ENGINEERING
Title of Subject
Discipline
Term
Effective
Pre- requisites
Marks
Assessment
:
:
:
:
:
:
:
Credit Hours
Minim Contact hrs
:
:
Aims
:
Objectives
:




Contents
Electrical Machine Design & Maintenance (EL-412)
B.E. Electrical Engineering
7th Semester
13EL-Batch and onwards
Advanced Electrical Machines
Theory: (100)
Sessional work : 20 %
Mid Semester Exam: 20 %
Final Semester Exam: 60%
03
42
Co-requisite:
Practical : (50)
Sessional work : 40 %
Semester Lab Exam: 60%
01
42
To produce clear understanding of Electrical machine design principles and requirements
of safety before, during and after operation and accident, The subject teacher must train
electrical engineering students in the complete process of design, from drawing table to
manufacturing and utilization of the electrical machines and equipment.
The student must learn all techniques to enable him in maintaining and repairing the
equipment during service of the machine.
To open and re-assemble machines.
To design electrical machines.
To overhaul the machine
To prepare maintenance schedule
To explain machine operation and repair of machines
:
(The students will have to submit case studies on machines for sessional evaluation. Theory will be from A & B parts
only)
PART (A) MACHINE DESIGN
THE DESIGN PROBLEM
Basic consideration, Specific loads and output equations, Limitations, Design and constructional features of rotating
machine, Basic principles of electrical machines and Basic machine forms
MATERIALS & ELECTRICAL MACHINES
Electrical conducting materials, Magnetic materials, Insulting materials, Classes and Testing of insulating materials
HEATING, COOLING AND VENTILATION OF ELECTRICAL MACHINES
Modes of heat transfer, The heat flow problems, Temperature rise-time relation, Duty cycles, Enclosures, Cooling and
ventilation of rotating electrical machine, Limits of temperature rise and Measurement of temperature rise
TRANSFORMER
Transformer types, Standard conductors, Cooling, Output equation, Design of core section, Design of insulation and
Design of tanks with tubes
THREE PHASE AND SINGLE PHASE INDUCTION MOTOR
Design, Output equation, Calculation of man dimensions, Specifications, Output equation, Stator design and Rotor
design
SYNCHRONOUS MACHINES
Design, Main dimensions and Design of salient pole rotor
MECHANICAL DESIGN
Design of shaft, Bearings, mechanical strength of rotors and Design of fan
PART (B) INSTALLATION, MAINTENANCE AND TROUBLE SHOOTING OF ELECTRICAL MACHINES
Safety and security consideration, Trouble shooting and emergency repairs, installation, commissioning, testing,
maintenance and troubleshooting of (i) Transformers and (ii) Induction motors and (iii) AC generators.
Note : Practical/Simulation work is based on the above theoretical course
24
Books
Recommended
:


Approval:
:
M.G. Say Pitman,Alternating Current Machines, , Latest Edition
S. RaoKhanna,Testing Commissioning Operation and Maintenance of Electrical
Equipment, Latest Edition
Board of Studies, EL. Engg
Board of Faculty of EECE
Academic Council
Res. No. 2.2
Res. No. 7.3
Res. No. 85.10
Dated : 29-05-2013
Dated : 29-12-2014
Dated : 07-07-2015
25
MEHRAN UNIVERSITY OF ENGINEERING AND TECHNOLOGY, JAMSHORO
DEPARTMENT OF ELECTRICAL ENGINEERING
Title of Subject
Discipline
Term
Effective
Pre-requisites
Marks
Assessment
:
:
:
:
:
:
:
High Voltage Engineering (EL-413)
Credit hours
Minim Contact hrs
:
:
01
42
B.E. Electrical Engineering
7th Semester
13EL-Batch and onwards
Electrical Power Transmission
Theory : (100)
Sessional work : 20 %
Mid Semester Exam: 20 %
Final Semester Exam: 60%
03
42
Co-requisite:
Practical: (50)
Sessional work : 40 %
Semester Lab Exam: 60%
Aims
:
To provide knowledge about effects of increasing transmission voltage level on the insulation
of electrical system/ electrical equipment in the system, different breakdown mechanisms in
insulating materials, generation measurement and nondestructive testing of insulation.
Objectives
:





:
Upon successful Completion of this course the student will be able to:
Describe reasons of increasing transmission voltage level from time to time
Differentiate between different voltage levels
Describe breakdown mechanisms in different insulating materials (Gas, liquids and solids)
Describe different methods of generating high voltages (a.c, d.c, impulse)
Describe methods of testing insulation without damaging it
Contents
ELECTRICAL BREAKDOWN IN GASES:
Ionization, Townsend Theory, Cathode Processes, Decay Process, Effect of space charge on Breakdown voltage,
Stearner Mechanism, Breakdown in compressed gases, Paschen Law, Penning effect, partial breakdown, Mechanism
of partial discharge. Applications of corona. Design consideration for Rod – gaps, Flashover mechanism.
BREAKDOWN MECHANISM IN SOLIDS AND LIQUIDS:
Solid and liquid insulating materials. Intrinsic, Electromechanical, Streamer, Thermal Erosion, Chemical breakdown,
Cavitation Breakdown , Suspended particle mechanism, in circuit breakers and uses.
GENERATION OF HIGH VOLTAGE:
Need for high Voltage, Voltage levels, Problems of Erection & maintenance of High Voltage Systems. Method of
generation of alternating high voltage, Transient voltage and direct voltage. Transformers in cascade, Series
Resonant circuit, single stage and multistage impulse generator, Half wave rectifier circuits, Full wave rectifier
circuits. Voltage Doubler circuit, cascade circuits.
MEASUREMENT OF HIGH VOLTAGE:
Method of measurement of alternating high voltage, impulse voltage and direct voltage, Sphere gaps, ammeter in
series with high impedance, Series capacitance voltmeters (Clubb and Protecue circuit.), potential dividers,
Electrostatic voltmeter.
NON DESTRUCTIVE INSULATION TEST TECHNIQUES:
Dielectric loss measurements and partial discharge detection. Measurement of resistivity & dielectric strength.
Note : Practical/Simulation work is based on the above theoretical course
Books
Recommended
(Latest available
editions)
:
 E. Kuffel, W.S. Zaengl, High Voltage Engineering Fundamentals, Latest Edition
 E. Kuffel, M. Abdullah, High Voltage Engineering, Latest Edition
 T. J. GAGllagher& A. J. Pearmaim, High Voltage Measurement, Testing and Design, Latest
Edition
Approval:
:
Board of Studies, EL. Engg
Board of Faculty of EECE
Academic Council
Res. No. 2.2
Res. No. 7.3
Res. No. 85.10
Dated : 29-05-2013
Dated : 29-12-2014
Dated : 07-07-2015
26
MEHRAN UNIVERSITY OF ENGINEERING AND TECHNOLOGY, JAMSHORO
DEPARTMENT OF ELECTRICAL ENGINEERING
Title of Subject
Discipline
Term
Effective
Pre-requisites
Marks
Assessment
:
:
:
:
:
:
:
Credit Hrs
Minim Contact Hrs
:
:
Power Distribution & Utilization (EL-414)
B.E. Electrical Engineering
7th Semester
13EL-Batch and onwards
Electrical Power Transmission
Theory : (100)
Sessional work : 20 %
Mid Semester Exam: 20 %
Final Semester Exam: 60%
03
42
Co-requisite:
Practical: (50)
Sessional work : 40 %
Semester Lab Exam: 60%
01
42
Aims
Objectives
Contents
:







:
Upon successful Completion of this course the student will be able to:
Understand the concept of distribution systems.
Describe the neutral grounding and earthing practices.
Describe the importance of power factor and its improvement.
Understand the electric heating and welding and their types.
Understand the design and development of illumination schemes and their method.
Learn about construction and working of electric lamps.
Learn about electrochemical processes and working of storage batteries
DISTRIBUTION:
Introduction to distribution system. Primary, secondary and Tertiary voltages. Radial and Ring Main systems. Estimation
of load. Load characteristics. Substation-Switch gear and busbar arrangements. Calculation of voltage drop and regulation
in distribution feeders. Power distribution voltages in Pakistan, causes, arcing on power distribution lines.
GROUNDING AND EARTHING:
Distribution transformers neutral earthing. Earthing resistance. Earthing practice in L.V. network, grounding & bounding.
POWER FACTOR:
Disadvantages and causes of low Power Factor Methods for improvement. Application of shunt capacitors in distribution
network.
BATTERIES & ELECTROCHEMICAL PROCESSES:
Importance of DC systems Main types of batteries and their working, Battery charging, maintenance testing,
Electroplating, Electrolysis, Electro metallurgical processes, Cathodic protection of poles, gas pipes and water structures.
HEATING AND WELDING:
Electric heating: Resistance, Induction and Dielectric heating. Electric furnaces, Microwave heating.
Electric Welding: Resistance welding and its types.
ILLUMINATION:
Fundamentals of illumination Engineering , laws, units, terms used. Requirements for good lighting. Illumination
schemes or various situations (Street lighting, Commercial/Industrial lighting , stadium/flood/stage/spot lighting etc).
Types of lamps, their working and relative merit.
Note : Practical/Simulation work is based on the above theoretical course
Books Recommended
(Latest available
editions)

Approval:
:



:Luces M. Faulkenberry,Walter Coffer, Electrical Power Distribution
Transmission, Latest Edition
TuranGonen, Electric Power Distribution System
Engineering, Latest Edition
Ram Kumar Garg-Dhir-Bhatnagar, Utilization of Electric Energy,Latest Edition
B. L. Theraja, Electrical Technology, Latest Edition
Board of Studies, EL. Engg
Board of Faculty of EECE
Academic Council
Res. No. 2.2
Res. No. 7.3
Res. No. 85.10
and
Dated : 29-05-2013
Dated : 29-12-2014
Dated : 07-07-2015
27
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