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.
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.
|Intercultural skills||Communication skills||✔ Specialist skills||Critical thinking skills||Practical and/or problem-solving skills|
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|
|Class 1||Outline of a power system and its recent trend||Calculation of complex power for a sample system|
|Class 2||Load frequency control||Calculation of frequency change due to a generator trip|
|Class 3||Supply-and-demand barlance and economic load dispatch||Calculation of power-incremental cost characteristics for a sample system|
|Class 4||Load flow analysis (1): Newton-Raphson method||Construction of an admittance matrix for a sample system|
|Class 5||Load flow analysis (2): sensitivity analysis||Construction of P-θ and Q-ε networks for a sample system|
|Class 6||Voltage and reactive power control||Evaluation of sensitivity of control equipment for voltage control|
|Class 7||Voltage stability||Calculation of a high and low voltage solution for a sample system|
|Class 8||Synchronous generator and its control systems||Explanation of measureing methods for generator constants|
|Class 9||Angle stability||Analysis on the impacts of falt conditions on power-angle curves|
|Class 10||Power system protection||Explanation of signal detection methods in a computer relay|
|Class 11||Stabilizing control||Explanation of fuction of damping resistors, etc. to improve stability|
|Class 12||Reliability of a power system||Assessment of reliability of series/parrarel circuits|
|Class 13||Current interruption and switching surge||Calculation of surge propagation under an assumed condition|
|Class 14||Overvoltage in a power system||Evaluation of voltage of unfaulted phases during a fault|
|Class 15||DC transmission and application of power electronics equipment||Calculation of various quantities in a DC transmission system|
Textbook is not required.
1) All the materials used in a class can be found on OCW-i.
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.
Students' course scores are based on midterm (50%) and final exams (50%).
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.