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Syllabus ( ELEC 323 )


   Basic information
Course title: Electromechanical Energy Conversion
Course code: ELEC 323
Lecturer: Prof. Dr. Abdulkadir BALIKÇI
ECTS credits: 5
GTU credits: 4 (3+0+0)
Year, Semester: 3, Fall
Level of course: First Cycle (Undergraduate)
Type of course: Compulsory
Language of instruction: English
Mode of delivery: Face to face
Pre- and co-requisites: ELM 341
Professional practice: No
Purpose of the course: To comprehend the basics of electromechanical energy conversion. Teaching the working principles of electrical machines, materials used, voltage induction and motion formation; transformers and direct current machines analysis to gain basic magnetic circuit design skills. To teach the structure and operation of DC machines.
   Learning outcomes Up

Upon successful completion of this course, students will be able to:

  1. Explain transformer construction and analyze parameters on equivalent circuit

    Contribution to Program Outcomes

    1. Obtain basic knowledge of Electronics Engineering.
    2. Formulate and solve engineering problems
    3. Find out new methods to improve his/her knowledge

    Method of assessment

    1. Written exam
    2. Homework assignment
  2. Analyze major parameters in DC Machines

    Contribution to Program Outcomes

    1. Obtain basic knowledge of Electronics Engineering.
    2. Formulate and solve engineering problems
    3. Find out new methods to improve his/her knowledge

    Method of assessment

    1. Written exam
    2. Homework assignment
  3. Analyzes electromagnetic circuits

    Contribution to Program Outcomes

    1. Obtain basic knowledge of Electronics Engineering.
    2. Formulate and solve engineering problems
    3. Find out new methods to improve his/her knowledge

    Method of assessment

    1. Written exam
    2. Homework assignment
   Contents Up
Week 1: INTRODUCTION TO ELECTROMECHANICAL ENERGY CONVERSION COURSE
Week 2: MAGNETIC CIRCUITS AND MAGNETIC MATERIALS
Introduction to Magnetic Circuits
Flux Linkage, Inductance, and Energy
Week 3: Properties of Magnetic Materials
AC Excitation
Permanent Magnets
Application of Permanent Magnet Materials
Week 4: TRANSFORMERS
Introduction to Transformers
No-Load Conditions
Effect of Secondary Current; Ideal Transformer
Transformer Reactance and Equivalent Circuits
Week 5: Engineering Aspects of Transformer Analysis
Autotransformers; Multiwinding Transformers
Transformers in Three-Phase Circuits
Week 6: Transformers in Three-Phase Circuits
Voltage and Current Transformers
The Per-Unit System
Week 7: ELECTROMECHANICAL ENERGY-CONVERSION PRINCIPLES
Forces and Torques in Magnetic Field Systems
Energy Balance
Energy in Singly-Excited Magnetic Field Systems
Determination of Magnetic Force and Torque from Energy
Week 8: Determination of Magnetic Force and Torque from Coenergy
Multiply-Excited Magnetic Field Systems
Forces and Torques in Systems with Permanent Magnets
Dynamic Equations
Week 9: INTRODUCTION TO ROTATING MACHINES
Elementary Concepts
Introduction to AC and DC Machines
Week 10: MMF of Distributed Windings
Magnetic Fields in Rotating Machinery
Rotating MMF Waves in AC Machines
Week 11: Generated Voltage
Torque in Nonsalient-Pole Machines
Week 12: Torque in Nonsalient-Pole Machines
Linear Machines
Magnetic Saturation
Leakage Fluxes
Week 13: DC MACHINES
Commutator Action
Effect of Armature MMF
Analytical Fundamentals: Electric-Circuit Aspects
Analytical Fundamentals: Magnetic-Circuit Aspects
Week 14: Analysis of Steady-State performance
Permanent-Magnet DC Machines
Commutation and Interpoles
Compensating Windings
Week 15*: -
Week 16*: Final exam
Textbooks and materials: Electric Machinery, A. E. Fitzgerald, Charles Kingsley, Jr., Stephen D. Umans, Mc Graw Hill, 6. Baskı, ISBN: 0-07-112193-5
Recommended readings: 1) Electromagnetic and Electromechanical Machines, Leander W. Matsch, J. Derald Morgan, Wiley, 1987
2) Foundations of Electric Power, J. R. Codgell, Prentice Hall, 1999, ISBN: 0-13-907767-7
3) Chapman, S.J., Electric Machinery Fundamentals, 3rd Ed., MacGraw-Hill, 1999
4) S. A. Nasar, Electric Machines and Power Systems, Vol. 1, McGraw-Hill, 1995
5) Sen, P.C., Principles of Electric Machines and Power Electronics, John-Wiley & Sons, 1989
6) Adkins, B., Harley, R.G.: ‘The General Theory of Alternating Current Machines: Application to Practical Problems’ (Chapman and Hall, London, 1975).
7) Electric Machinery and Transformers, B. S. Guru, H. Hiziroglu, Third Edition, Oxford University Press, ISBN 0-19-513890-2
  * Between 15th and 16th weeks is there a free week for students to prepare for final exam.
Assessment Up
Method of assessment Week number Weight (%)
Mid-terms: 9 30
Other in-term studies: 0
Project: 10 10
Homework: 2,4,7,10,12,14 10
Quiz: 0
Final exam: 15 50
  Total weight:
(%)
   Workload Up
Activity Duration (Hours per week) Total number of weeks Total hours in term
Courses (Face-to-face teaching): 3 14
Own studies outside class: 2 14
Practice, Recitation: 0 0
Homework: 2 6
Term project: 1 6
Term project presentation: 0 0
Quiz: 0 0
Own study for mid-term exam: 6 2
Mid-term: 2 1
Personal studies for final exam: 8 2
Final exam: 2 1
    Total workload:
    Total ECTS credits:
*
  * ECTS credit is calculated by dividing total workload by 25.
(1 ECTS = 25 work hours)
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