2020 Electric Power Engineering II

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Academic unit or major
Undergraduate major in Electrical and Electronic Engineering
Fujita Hideaki  Kawabe Kenichi 
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Course description and aims

This course focuses on operation and control technologies of an electric power system, on which modern society heavily depends, putting due emphasis on system technologies. Topics include control of active and reactive power, modeling of power apparatus, surge phenomena in a power system and analysis techniques for load flow and stability.

Student learning outcomes

At the end of this course, students will be able to:
1) Understand basics on operation and control of an electric power system;
2) Understand various phenomena observed in an electric power system under normal and fault conditions;
3) Understand fundamental methods such as load flow and stability analyses for a power system.


frequency control, voltage control, economic load dispatch, load flow analysis, angle stability, cascaded outages, stabilizing control, overvoltage, surge, DC transmission.

Competencies that will be developed

Specialist skills Intercultural skills Communication skills Critical thinking skills Practical and/or problem-solving skills
・Applied specialist skills on EEE

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 and its recent trend Calculation of complex power for a sample system
Class 2 Load flow analysis (1): AC Flow Method Load flow calculation using Newton-Raphson method
Class 3 Load flow analysis (2): DC Flow Method Load flow calculation using DC flow method
Class 4 Voltage stability Calculation of a high and low voltage solution for a sample system
Class 5 Voltage and reactive power control Evaluation of sensitivity of control equipment for voltage control
Class 6 Angle stability Analysis on the impacts of falt conditions on power-angle curves
Class 7 Stabilizing control Explanation of cascading outages in a power system
Class 8 Soving exercising proplems with the explanation on the problems Assessing the level of understanding for classes 1-7
Class 9 Load frequency control Calculation of frequency change due to a generator trip
Class 10 Supply-and-demand barlance and economic load dispatch Calculation of power-incremental cost characteristics for a sample system
Class 11 Reliability of a power system Assessment of reliability of series/parrarel circuits
Class 12 Power system protection Explanation of fault detection methods in a computer relay
Class 13 Overvoltage in a power system Explanation on the causes of overvoltage in a power system
Class 14 Current interruption Calculation of surge propagation under an assumed condition


Textbook is not required.

Reference books, course materials, etc.

1) All the materials used in a class can be found on OCW-i.
2) Reference
Sekine, Taiji, "Power System Engineering," Denki-Shoin;
Hasegawa, Jun, "Power System Engineering," IEEJ;
Hayashi, Izumi: "Power System," Shokoudoh;
Okubo, Hitosh, et al.i "Electric Power System Engineering," Ohm-sha.

Assessment criteria and methods

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

Related courses

  • EEE.P321 : Electric Power Engineering I
  • EEE.C201 : Electric Circuits I
  • EEE.C202 : Electric Circuits II
  • EEE.P301 : Electric Machinery and apparatus
  • EEE.C261 : Control theory

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

Students must have successfully completed Electric Power Engineering I or have equivalent knowledge. Students are also required to have basic knowledge on electric circuit and electric machinery.

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