2019 Electric Power Engineering I

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Academic unit or major
Undergraduate major in Electrical and Electronic Engineering
Instructor(s)
Nanahara Toshiya  Kawabe Kenichi 
Course component(s)
Lecture
Day/Period(Room No.)
Mon1-2(S422)  Thr1-2(S422)  
Group
-
Course number
EEE.P321
Credits
2
Academic year
2019
Offered quarter
2Q
Syllabus updated
2019/3/18
Lecture notes updated
-
Language used
Japanese
Access Index

Course description and aims

This course focuses on transmission technology of electric power, on which modern society heavily depends. Topics include equivalent circuit for a power system component, per-unit system, power circular diagram, fault analysis, and angle stability of a power system.

Student learning outcomes

At the end of this course, students will be able to:
1) Understand how electric power is delivered through a power system;
2) Construct an equivalent circuit of a power system;
3) Understand transmission characteristics of a power system under normal and fault conditions

Corresponding educational goals are:
(1) Specialist skills Fundamental specialist skills
(4) Applied skills (inquisitive thinking and/or problem-finding skills) Organization and analysis
(7) Skills acquiring a wide range of expertise, and expanding it into more advanced and other specialized areas

Keywords

power system, three-phase circuit, active and reactive power, transmission line, power transformer, synchronous generator, equivalent circuit of a power system component, per-unit system, voltage control, fault analysis, symmetrical components, angle stability, protection relay, power distribution

Competencies that will be developed

Intercultural skills Communication skills Specialist skills Critical thinking skills Practical and/or problem-solving skills
- - -

Class flow

1) Lectures are given based on the materials distributed through OCW-i. Students are required to make preparation and review with the materials.
2) Students must submit a report on exercise problems assigned in each class.
3) Solutions to the problems assigned in the previous class are explained at the beginning of each class.

Course schedule/Required learning

  Course schedule Required learning
Class 1 Outline of a power system: system configuration and apparatus Explanation of the roles of a power stations and substation
Class 2 Three-phase circuit and complex power Construction of a single-phase equivalent circuit for a sample three-phase circuit
Class 3 Modeling of a transmission line Calculation line constants for a sample transmission line
Class 4 Modeling of a power transformer Construction of a single-phase equivalent circuit for a three-phase transformer with wye-delta connection, etc.
Class 5 Modeling of a synchronous generator for power system analysis Calculation of a short-circuit current for a salient-pole synchronous generator
Class 6 Per-unit system Construction of an impedance map in per-unit for a sample power system
Class 7 Transmission of electric power and power circle diagram Calculation of the reactive power required to keep the voltage at a receiving end to a specified value
Class 8 Solving exercising problems with the explanation on the problems Assessing the level of understanding for classes 1-7
Class 9 Reactive power and voltage control Explanation of the supply-and-demand balance of reactive power in a transmission line (overhead line and cable)
Class 10 Symmetrical components Derivation of a formula for a fault current in case of three-phase short circuit, etc.
Class 11 Fault analysis of a power system Calculation of e fault current of a sample power system during a phase-to-ground fault, etc.
Class 12 Neutral grounding Calculation of the voltage for unfaulted phase during a phase-to-ground fault, etc.
Class 13 Angle stability Construction of a power-angle curve for a sample power system
Class 14 Power system protection and current interruption Explanation of the features of various types of an voltage transformer
Class 15 Power distribution Calculaion of the voltage drop (rise) along a sample distribution line

Textbook(s)

Okubo, Hitosh, et al., "Electric Power System Engineering," Ohm-sha.

Reference books, course materials, etc.

1) All the materials used in a class can be found on OCW-i.
2) Textbook: Ohkubo, Hitoshi: "Power System Engineering," Ohm-Sha
3) Reference books
Hayashi, Izumi: "Power System," Shokoudoh;
Yasuoka, Kouichi: "Electric Power Engineering," Ohm-sha;
Michigami, Tsutomu, "Power Transmission and Distribution," IEEJ.

Assessment criteria and methods

Students' course scores are based on midterm (45%) and final exams (45%) in addtion to report (10%).

Related courses

  • EEE.C201 : Electric Circuits I
  • EEE.C202 : Electric Circuits II
  • EEE.P301 : Electric Machinery and apparatus

Prerequisites (i.e., required knowledge, skills, courses, etc.)

Students are required to have basic knowledge on electric circuit and electric machinery.

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