Hiroshima University Syllabus

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Japanese
Academic Year 2022Year School/Graduate School School of Engineering
Lecture Code K6046022 Subject Classification Specialized Education
Subject Name 回路理論I
Subject Name
(Katakana)
カイロリロン 1
Subject Name in
English
Electric Circuit Theory I
Instructor ZOKA YOSHIFUMI
Instructor
(Katakana)
ゾウカ ヨシフミ
Campus Higashi-Hiroshima Semester/Term 1st-Year,  Second Semester,  3Term
Days, Periods, and Classrooms (3T) Tues7-8:ENG 102, (3T) Weds3-4:ENG 111
Lesson Style Lecture Lesson Style
(More Details)
 
Lecture (Face-to-face and on-demand).

Attend the first lecture. The introduction of the class will be announced on the first lecture (10/4).

(The style of this lecture (Face-to-Face / online) will be decided based on Hiroshima University's policy. It will be announced on the bulletin board of Momiji to the registered students as soon as possible after the decision is made.) 
Credits 2.0 Class Hours/Week   Language of Instruction B : Japanese/English
Course Level 2 : Undergraduate Low-Intermediate
Course Area(Area) 25 : Science and Technology
Course Area(Discipline) 11 : Electrical, Systems, and Control Engineering
Eligible Students 1st-grade
Keywords Electric circuit, AC theory, Network analysis 
Special Subject for Teacher Education   Special Subject  
Class Status
within Educational
Program
Program of Electrical,Systems and Information Engineering
[Knowledge and Understanding]
-- Comprehensive understanding and knowledge of technologies in electrical, systems, and information engineering. Also, basic knowledge which is common in these fields.

Program of Electronic Devices and Systems]
[Knowledge and Understanding]
-- Comprehensive understanding and knowledge of technologies in electrical, systems, and information engineering. Also, basic knowledge which is common in these fields. 
Criterion referenced
Evaluation
Program of Electrical,Systems and Information Engineering
(Knowledge and Understanding)
・Comprehensive understanding and knowledge of technologies in electrical, systems, and information engineering. Also, basic knowledge which is common in these fields.

Program of Electronic Devices and Systems
(Knowledge and Understanding)
・Comprehensive understanding and knowledge of technologies in electrical, systems, and information engineering. Also, basic knowledge which is common in these fields. 
Class Objectives
/Class Outline
This lecture provides fundamentals and basic theories of AC electric circuit.
The aim of this lecture for students is to understand the meaning of phasor diagram of sinusoidal alternating current and acquire the techniques for general network analysis methods. 
Class Schedule lesson1: Outline
- What is electric circuit?
- Elements
- KCL, KVL
lesson2: DC, passive elements
- Ohm's law
- Series connection, parallel connection
- Current source, voltage source
- DC power
- Passive elements (capacitor, inductors)
lesson3: Sinusoidal AC circuit
- What is AC?
- Trigonometric functions and sine waves (magnitude, phase, effective value)
- Resister's AC characteristics, average power
- AC characteristics of capacitor and inductor
- Simple example of a circuit analysis
lesson4:
[Phasor expression]
- Sine wave and complex number
- Complex number and operations
- Phasor expression of sinusoidal AC
lesson5-6:
[AC circuit analysis]
- Complex impedance, admittance
- Series connection, parallel connection
- Characteristics of impedance and admittance
- Phasor expression
lesson7-9:
[AC circuit power]
- Sinusoidal AC power
- Supply and consumption of the power
- Apparent power, real power, reactive power, power factor
- Complex power
- Improvement of power factor, power matching
- Phasor diagram
- Phasor locus
lesson10:
[Nodal analysis]
- Nodal analysis of circuits including current source
- Node-admittance matrix, KCL
- Nodal equations
lesson11
[Mesh analysis]
- Mesh analysis of circuits including voltage source
- Mesh-impedance matrix, KVL
- Mesh equations
lesson12: Practices
- Nodal analysis and Mesh analysis
lesson13-14:
- Basic theories for circuit analysis
lesson15: Practices
- All topics

Several mini-exams and the final exam will be carried out. 
Text/Reference
Books,etc.
[Text Book]
服藤 憲司:「例題と演習で学ぶ 電気回路」(第2版),森北出版,2017 
PC or AV used in
Class,etc.
 
(More Details) Text, hand-outs, online materials (on-demand video and others) 
Learning techniques to be incorporated  
Suggestions on
Preparation and
Review
- Attend all lectures if there is no physical condition problems.
- Results of all mini-exams are included in the evaluation including the final exam.
- All mini-exams will be carried out at the beginning of each lecture. Do not be late. 
Requirements - Basic knowledge of complex numbers and complex plane are assumed in this lecture.
- Basic knowledge of high school level of electric circuit is also assumed. 
Grading Method Integrated evaluation based on all mini-exams and the final exam. 
Practical Experience  
Summary of Practical Experience and Class Contents based on it  
Message If you have any problem, please do not hesitate to contact the lecturer. 
Other In this lecture, Japanese is used as the basic language and important technical terms are introduced in English. 
Please fill in the class improvement questionnaire which is carried out on all classes.
Instructors will reflect on your feedback and utilize the information for improving their teaching. 
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