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Transcript
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 Electronics (EL-421)
B.E. Electrical Engineering
8th Seemster
13EL-Batch and onwards
Electronic Devices & Circuits
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
After completion of the course the student will be able to:
To provide adequate Knowledge and clear understanding about the construction,
principle of operation, characteristics, protection, problems and applications of various
Power electronic Semiconductor devices and their Control Circuits.
Upon successful Completion of this course the student will be able to:
Describe principle of operation, construction, characteristics and applications of various
Power Semi Conductor Devices.
Describe Ratings, protection, Cooling, Commutation techniques, firing circuits, Series
and Parallel operation of Thyristors.
Describe applications of thyristors as static switches, voltage controllers, Converters,
Inverters, Choppers and Cyclo converters.
Understand how to start and control speed of various types of Electric motors through
various Power Electronic circuitries.
Understand clearly the problems and remedial methods of the generation of harmonics
caused due to Power Electronic Circuitries in Systems networks.
Contents
:
INTRODUCTION:
Recent advancement in Power Electronics and its Application, Power diodes, Free wheeling diodes Diodes with
RC and RL , LC and RLC loads. Types of Power transistors and their Characterstics.
THE THYRISTOR:
Principle of operation, characteristics, two transistor model of SCR, Thyrister types, Ratings, Protection and
cooling, Thyristor Turn-on and Turn off , Commutation techniques, Series and Parallel operation of thyristors,
Thyristor firing circuits.
STATIC SWITCHESS:
Single phase and three phase A.C switches, Three phase reversing switches, AC switches for bus transfer, DC
switches, Solid state relays, Design of static switches.
THYRISTOR CONVERTERS:
AC voltage controllers, controlled rectifiers, Inverters, DC link converters, DC Choppers, Cyclo converters.
SOLID STATE DRIVES:
Thyristor starting and speed control of Induction motors, Direct current motors and synchronous motors, Brushless
excitation system.
APPLICATIONS AND PROBLEMS:
Applications of power electronics, Harmonics generation types and their problems. Analysis of harmonics and
their remedial methods.
Note : Practical/Simulation work is based on the above theoretical course
(Latest available
editions)



M.H. Rashid, Power Electronics Circuits, Devices and Applications, Latest Edition
P.S. Bimbhra, Power Electronics, Latest Edition
C. W. Lander, "Power Electronics", McGraw Hill, Latest Edition.
Approval:
:
Board of Studies, EL. Engg
Board of Faculty of EECE
Academic Council
Books
Recommended
Res. No. 2.2
Res. No. 7.3
Res. No. 85.10
Dated : 29-05-2013
Dated : 29-12-2014
Dated : 07-07-2015
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
Power System Stability and Control (EL-422)
B.E. Electrical Engineering
8th Semester
13EL-Batch and onwards
Power System Analysis
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 develop the skills of student and provide adequate knowledge about the concepts of
automated power system control. The course will equip student with the understanding of
SCADA and various other application functions used in the modern power system.
Upon successful Completion of this course the student will be able to:
Describe the objectives of power system control and various power system operation modes
Describe SCADA and its functions
Explain various control structures and their families
Discuss the organization of power system operations
Elaborate the technical realization of power system control and system maintenance
Provide the application of various power system function
POWER SYSTEM STABILITY:
Definition and classification of power system stability. Steady state and Transient Stability. The swing equation. Equal
area criterion: application to a sudden increase in power input and application to a short circuit fault. Critical fault
clearing time.
INTRODUCTION TO POWER SYSTEM CONTROL:
Need and objective of power system control. Automated power system control concept, Power system operation
modes.
SCADA:
Supervisory control, Variables and time intervals for data acquisition, Monitoring and event processing, Control
functions, Disturbance data collection and analysis, Human-Machine communication methods
POWER SYSTEM CONTROL STRUCTURES:
Control Structures, Sub system: Local system, communication system, central system, System classes, Remote
Terminal Units (RTU).
SYSTEM INTERACTION:
Operation organization, Allocation of functions in hierarchical control systems, Control system configurations
APPLICATION FUNCTIONS:
Active power and frequency control, Reactive power and voltage control, Economic dispatch,
Note : Practical/Simulation work is based on the above theoretical course
Books
Recommended
(Latest available
editions)
:
 Trosten Cegrel, Power System Control Technology, Publisher Prentice/Hall International,
Latest Edition
 Allen J. Wood , Bruce f. Woolenbarg, Power Generation , Operation and Control, 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
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
Power System Protection (EL-423)
B.E. Electrical Engineering
8th Semester
13EL-Batch and onwards
Power System 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
: After completion of the course the student will be able to:
 Learn to represent the power system components into their equivalent parameters.
 Understand various causes of overvoltage resulting in insulation failure and principles of
protection against over voltages.
 Learn about very basic protection equipment, from the fuses to very complex and robust circuit
breakers, their construction and their working principle, their types and their ratings etc.
: The objective of the course is to give the student the knowledge of construction, principle of
operation, and ratings of various protective equipment used in power system along with clear
understanding of various protection schemes for major components of power system.
:
OVERVOLTAGES:
Causes of over voltages. Propagation of surges. Determination of system voltages produced by travelling wave surges.
Insulation co-ordination. Protection against lightning. Surge arresters and diverters.
FUSES:
Types of fuses. Selection of fuse material. Fuse performance. Main features of H.R.C fuses. Selection and co-ordination
of fuses.
SHORT CIRCUIT CALCULATION AND REACTORS:
Short circuit calculation. Purpose reactors. Types of reactors. Location of reactors. Selection of reactors.
SWITCHGEAR:
Arc phenomenon, initiation and extinction of arc. Arc recovery voltage and restriking voltage. Classification of circuit
breakers: oil circuit breakers, Air blast circuit breakers, SF6 circuit breakers, Vacuum circuit breakers. Metal clad
switch gears. H.V. load breaking switches.
RELAYS:
Protection relays. Fundamental requirement of protective relaying. Operation and principle of Electromagnetic,
Electromechanical and Static Relays. Microprocessor controlled relaying system.
PROTECTION SCHEMES:
Overcurrent, ground fault, Differential protection. Distance protection, Unit protection schemes. Generator protection.
Motor protection. Power transformer and feeder protection. Bus bar protection, Protection level versus cost
Note : Practical/Simulation work is based on the above theoretical course
Books
Recommended
(Latest available
editions)
Approval:
:
 Y.G. Paithankar, S.R. Bhide, Fundamentals of Power System Protection.. PHI, Latest Edition
 J. Duncan Glover, Mulukutla S. Sarma, Power System Analysis and Design., Latest Edition,
Brooks/Cole
 Badri Ram, D.N. Vishwakarma, Power System Protection and Switchgear. Tata Mc Graw –
Hill, Latest Edition
 Power System Protection Vol. 1,2,3, Latest Edition, The Electricity Council, Latest Edition
 C. L Wadhwa, Electrical Power Systems, 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