Mechanical & Energy Engineering Techniques Dept. Erbil ... Book - Electrical Eng, 2nd Stage.pdfEngineering Department. Electric & Electronic Engineering, 3rd year students, Ref. and

Ministry of Higher Education and Scientific research

Directorate of Quality Assurance and Accreditation خشینبهتی دڵنیایی جۆری و متمانهرایهبهڕێوهبه

Mechanical & Energy Engineering Techniques Dept.

Erbil Technical Engineering College

Erbil Polytechnic University

Subject : Electrical Engineering

Course Book : Second year

Lecturer's Name : Mr. Zana OZAIRAGHALI

Academic Year : 2019 – 2020



Course Book

1. Course name : Electrical Engineering

2. Lecturer in charge : Zana OZAIRAGHALI

3. Department/ College

Mechanical & Energy Engineering Techniques

4. Contact e-mail: [email protected] or [email protected] Tel: 07504537351

5. Time (in hours) per week

Theory: 2 Practical: 2

6. Office hours One hour

7. Course code ME 208

8. Teacher's Academic Profile

MSc. in Electrical Engineering, Power Electronics, Gazi University, Ankara/TURKEY, 2001. Assistant Lecturer August 11, 2010-till now Assistant Lecturer Erbil Polytechnic University, Erbil Technical Engineering College, Mechanical & Energy Eng. Techniques Department, and from 01.11.2018 Vice-Dean, August 10, 2004 – 11 August 2010 Senior lecturer and reader of the Architectural Eng. Dep., University of Koya, College of Engineering and Supervising Engineer of Koya University projects. 2003 – 2004 Electrical Engineer, Gurbag Construction Company Erbil / Iraq 1999 – 2001 Electrical Engineer, Nuris Electric Welding Machines Company Ankara / Turkey The master thesis was dealt with Inverter type welding machines, which sponsored by Nuris Welding machines company with Gazi University. During the thesis an improvement have been performed on the welding machines by converting old type welding machines which consist of (diode, thyristor, ....) to a new type welding machines which consist of inverter and high frequency transformer. Subject courses:

Electrical Technology, 2nd year students, Petroleum Engineering Department.

Electrical Laboratory, 2nd year students, Petroleum Engineering Department.

Electrical Services, 3rd year students, Architectural Engineering Department.

Electrical Technology, 1st year students, Chemical Engineering Department.

Computer Science, MS Words, 1st year students, Architectural Engineering Department.

Engineering Drawing, 1st year students, Petroleum Engineering and

mailto:[email protected]

mailto:[email protected]



Geotechnical Engineering Departments. Electrical Technology, 2nd year students, Ref. and Air-conditioning

Engineering Department. Computer Science, MS Words, 1st year students, Ref. and Air-conditioning

Engineering Department. Electric & Electronic Engineering, 3rd year students, Ref. and Air-

conditioning Engineering Department. Electrical Technology, 2nd year students, Mechanical & Energy Engineering

Department. Computer Science, MS Words, 1st year students, Mechanical & Energy

Engineering Department. Electric & Electronic Engineering, 3rd year students, Mechanical & Energy

Engineering Department. Computer Software Programs [Windows, Microsoft Office (Word, Excel, Power Point), AutoCAD, Basic, Fortran)]

9. Keywords My M.Sc. courses and research work were concentrated on the line of Power Electronics. My M.Sc. research title was (The Design and Implementation of a 2 KW Welding Machine).

10. Course overview: This subject will give the principals of the electrical engineering with all the fundamentals of electrical

engineering.

11. Course objective: Clarify the principals of electrical. Clarify the main electrical laws. Clarify how to apply these principals practically.

12. Student's obligation Student's obligation in the Electrical Engineering course is:

Attendance in the all lectures.

One or more quizzes in each course.

Exam in end of first course and second course.

13. Forms of teaching Using data show, white board and PowerPoint, Testing in department’s Laboratory.

Publish all lecture notes in college web side.

14. Assessment scheme Breakdown of overall assessment and examination

Theoretical examination for course 25 % Activity of year 5 % Practical examination for course 10 % Reports 10 % Theoretical examination for Final examination 40 % Practical examination for Final examination 10 %

15. Student learning outcome: The course will give the fundamental knowledge and practical abilities in the following:



To learn the basic principles of electricity. To learn the basic laws for the analysis of electrical circuits. To learn the essential elements of electrical circuits. Give enough information about the AC and DC. Give information about the importance of electricity in the control and operation of electrical

machinery that are used in refrigeration and air conditioning systems.

16. Course Reading List and References: 1. Electrical Circuits Fundamentals, by Floyd. 2. Electrical Technology, by B.L.Theraja. 3. Introduction Circuit Analysis, by Robert L. Boylestad. 4. Electrical Science, by K.C. Jain. 5. Electrical Engineering, by Giorgio Rizzoni. 6. Elements of Engineering Electromagnetic, by Rao.

17. The Topics: Theory

Weeks No. Syllabus 1 2

3 4 – 7

8 – 10

11 12

13 – 17

18 19

20 – 23

Introduction to Electrical technology, Basic definitions. Electrical Resistors, types, resistivity and conductivity, temperature effect on resistance, conductance and insulators. Ohm’s Law, electrical sources and their types. Electrical circuit element connection, series, parallel, series – parallel and simplification. Electrical circuit laws, Kerchief’s laws, voltage divider rule, current divider rule. Delta – Star conversion or transformations. Electrical circuits theorem: Maxwell’s loop current (Mesh method), Nodal analysis method, Superposition theorem, Thevenin’s and Norton’s theorems. Magnetism and Electromagnetism. AC Fundamentals and basic definitions, periodic function, rms values. Capacitors and Inductors, Transient circuits RC, RL & RLC. Transformer, equivalent circuit, losses, efficiency.

18. Practical Topics 1 2 3 4 5 6 7 8

Measuring Resistance Color code Ohm’s Law Resistances series and parallel connection Kirchhoff’s Current and Voltage Laws Superposition’s Theorem Thevenin’s and Norton’s Theorems Utilization of cathode-ray oscilloscope AC circuit elements



19. Examinations:



2. Multiple choices: Determine the cause for each set of symptoms. Refer to Figure 1.

1. Symptom: The ammeter reading is zero, and the voltmeter reading is 10 V. Cause: (a) R is shorted. (b) R is open. (c) The voltage source is faulty.

2. Symptom: The ammeter reading is 10 mA, and the voltmeter reading is 0 V. Cause: (a) The voltmeter is defective. (b) The ammeter is faulty. (c) The voltage source is turned off or faulty.

Figure 1 Determine the cause for each set of symptoms. Refer to Figure 2.

Figure 2

3. Symptom: The ammeter reading is zero, and the voltmeter 1 and voltmeter 3 readings are zero, and the

voltmeter 2 reading is 10 V. Cause: (a) R1 is open. (b) R2 is open. (c) R3 is open.

4. Symptom: The ammeter reading is zero, and all the voltmeter readings are zero.

Cause: (a) A resistor is open. (b) The voltage source is turned off or faulty. (c) One of the resistor values is too high.

3.3 k

Vs



5. Symptom: The ammeter reading is 2.33 mA, and the voltmeter 2 reading is zero. Cause: (a) R1 is shorted. (b) The voltage source is set too high. (c) R2 is shorted.

Determine the cause for each set of symptoms. Refer to Figure 3.

Figure 3

6. Symptom: The ammeter and voltmeter readings are zero. Cause: (a) R1 is open. (b) The voltage source is turned off or faulty. (c) R3 is open.

7. Symptom: The ammeter reading is 24.2 mA, and the voltmeter reading is 6 V. Cause: (a) R1 is open. (b) R2 is open. (c) R3 is open.

8. Symptom: The ammeter reading is 34.9 mA, and the voltmeter reading is 0 V.

Cause: (a) A resistor is shorted. (b) The voltmeter is faulty. (c) The voltage source is turned off or faulty.

Determine the cause for each set of symptoms. Refer to Figure 4.

Figure 4

9. Symptom: The ammeter reading is 1 mA, and the voltmeter reading is 0 V. Cause: (a) There is a short across R1. (b) There is a short across R2. (c) R3 is open.



10. Symptom: The ammeter reading is near zero, and the voltmeter reading is 12 V. Cause: (a) R1 is open. (b) R2 is open. (c) Both R2 and R3 are open.

11. Symptom: The ammeter reading is 2 mA, and the voltmeter reading is 12 V.

Cause: (a) R1 is shorted. (b) R2 is shorted. (c) Both R2 and R3 are open.

Q2: Find the resistance values in ohms and the percent tolerance for each of the color-code resistors: (12 M)

(a) First band is red, second band is violet, third band is orange, fourth band is silver. (b) First band is brown, second band is black, third band is brown, fourth band is silver. (c) First band is green, second band is blue, third band is green, fourth band is gold. (d) First band is red, second band is red, third band is yellow, fourth band is gold.

GOOD LUCK

Lecturer / Zana K. SHAKIR

20. Extra notes:

21. Peer review It’s very good and no action necessary. Assistant professor Hilmi F. Ameen Electrical Engineering Department College of Engineering University of Salahaddin

Documents

Mechanical & Energy Engineering Techniques Dept. Erbil ... Book - Electrical Eng, 2nd Stage.pdfEngineering Department. Electric & Electronic Engineering, 3rd year students, Ref. and