Electromechanical Energy Conversion

Course Code:

EE 371

Course Period:

Autumn

Course Type:

Core

Credits:

3

Theoric:

3

Practice:

0

Laboratory Hour:

0

ECTS:

7

Prerequisite Courses:

Circuits and Systems

Course Language:

English

Courses given by:

Canbolat Uçak

Course Assistants :

Çağdaş Altıntaş

Course Objectives:

To provide a background in electromechanical energy conversion devices by combining mechanics with the fundamentals of electricity and magnetism.

Course Content:

Magnetic Circuits and Magnetic Materials. Transformers. Electromechanical Energy Conversion Principles. Introduction to Rotating Machines. Synchronous Machines. Polyphase Induction Machines. DC Machines. Variable-Reluctance Machines and Stepping Motors. Single- and Two-Phase Motors.

Course Methodology:

1: Lecture by instructor, 2: Lecture by instructor with class discussion, 3: Problem solving by instructor, 4: Use of simulations, 5: Problem solving assignment, 6: Reading assignment, 7: Laboratory work, 8: Term research paper, 9: Presentation by guest s

Course Evaluation Methods:

A: Written exam, B: Multiple-choice exam C: Take-home quiz, D: Experiment report, E: Homework, F: Multi-disiplinary project report, G: Presentation by student

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Course Learning Outcomes

Course Learning Outcomes	Detailed Program Outcomes	Teaching Methods	Assessment Methods
Explain that perpetual machines are impossible to build according to the laws of thermodynamics.	1a,4b,6c, 7b,8b,9a	2, 12	E
Select a software tool for solving dynamic equations of an electromechanical device.	2b,4a,4b, 6a,7c,8b,9a	4,5	F
Describe working principles of major AC and DC machines.	1b,6c,7b	1,3	A
Draw equivalent magnetic circuit models of magnetic devices.	1b,6c	1,3	A
Draw electrical circuit models for major AC and DC machines.	1b,6c	1,3	A
Calculate flux linkages, inductances and energies of magnetic devices.	1a,1b,6c	1,3	A
Differentiate between linear and nonlinear differential equations.	1a,1b,2a 6c,7b	1,3	A, F
Determine dynamic equations of an electromechanical device.	1a,1b,2a,2b, 6a,7c,9a	1,3,5	A, F
Calculate forces/torques of electromechanical devices.	1a,1b,6c,7b	1	A
Justify magnetic circuit approach by using Ansys- Maxwell Simulation Software.	4b,6c,7b, 7c,7e,9a	4	F

Course Flow

Week	Topics	Study Materials
1	Magnetic circuits	Textbook
2	Magnetic materials	Textbook, Additional
3	Transformers	Textbook, Additional
4	Transformers in three-phase circuits and per-unit system	Textbook
5	Electromechanical energy conversion principles, Midterm 1	Textbook
6	Magnetic force and torque	Textbook
7	Dynamic equations for electromechanical devices	Textbook
8	Introduction to AC and DC Machines	Textbook
9	Rotating MMF waves in AC machines	Textbook, Additional
10	Synchronous machines, Midterm 2	Textbook
11	Poly-phase induction machines	Textbook
12	DC Machines	Textbook
13	Variable-reluctance machines and stepping motors.	Textbook
14	Single and two-phase motors	Textbook

Recommended Sources

Textbook	Stephen D. Umans, “Fitzgerald & Kingsely’s Electric Machinery”, McGraw-Hill, Inc., Seventh Edition, International Edition, 2014
Additional Resources	Stephen J. Chapman, "Electric Machinery Fundamentals", McGraw-Hill, Inc., 1991 Turan Gönen, "Electrical Machines", Power International Press, 1998

Material Sharing

Documents	Intro-Maxwell
Assignments
Exams	Questions and Answers of Old Exams

Assessment

IN-TERM STUDIES	NUMBER	PERCENTAGE
Midterm Exam	2	67
Homework	2	8
Project	2	25
Total		100
CONTRIBUTION OF FINAL EXAMINATION TO OVERALL GRADE		40
CONTRIBUTION OF IN-TERM STUDIES TO OVERALL GRADE		60
Total		100

Course’s Contribution to Program

No	Program Learning Outcomes	check √
1a	Adequate knowledge in mathematics, science and engineering subjects pertaining to the relevant discipline,	√
1b	Ability to use theoretical and applied knowledge in these areas in complex engineering problems.	√
2a	Ability to identify, formulate, and solve complex engineering problems,	√
2b	Ability to select and apply proper analysis and modeling methods for this purpose.	√
3a	Ability to design a complex system, process, device or product under realistic constraints and conditions, in such a way as to meet the desired result,
3b	Ability to apply modern design methods for this purpose.
4a	Ability to devise, select and use modern techniques and tools needed for analyzing and solving complex problems encountered in engineering practice.	√
4b	Ability to employ information technologies effectively.	√
5a	Ability to design experiments for investigating complex engineering problems or discipline specific research questions,
5b	Ability to conduct experiments, gather data, analyze and interpret results for investigating complex engineering problems or discipline specific research questions.
6a	Ability to work efficiently in intra-disciplinary teams,	√
6b	Ability to work efficiently in multi-disciplinary teams,
6c	Ability to work individually.	√
7a	Ability to communicate effectively in Turkish, both orally and in writing,
7b	Knowledge of a minimum of one foreign language,	√
7c	Ability to write effective reports and comprehend written reports, prepare design and production reports,	√
7d	Ability to make effective presentations,
7e	Ability to give and receive clear and intelligible instructions.	√
8a	Recognition of the need for lifelong learning, ability to access information, ability to follow developments in science and technology,
8b	Ability to continue to educate him/herself.	√
9a	Consciousness to behave according to ethical principles and professional and ethical responsibility.	√
9b	Knowledge on standards used in engineering practice.
10a	Knowledge about business life practices such as project management, risk management, change management.
10b	Awareness in entrepreneurship and innovation.
10c	Knowledge about sustainable development.
11a	Knowledge about the global and social effects of engineering practices on health, environment, and safety,
11b	Knowledge about contemporary issues of the century reflected into the field of engineering.
11c	Awareness of the legal consequences of engineering solutions.

ECTS

Activities	Quantity	Duration (Hour)	Total Workload (Hour)
Course Duration	13	3	39
Hours for off-the-classroom study (Pre-study, practice)	14	7	98
Midterm Exam	2	1.5	3
Homework	2	7	14
Project	2	7	14
Final Exam	1	2	2
Total Work Load			170
Total Work Load / 25 (h)			6,8
ECTS Credit of the Course			7

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Electromechanical Energy Conversion

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