Power System Control and Stability

Code 3.6.3227.9
Semester 9th
Flow E - Electric Power Systems
Category Obligatory by selection
Credits 4
Class Hours - Lab Hours 2 - 1
Lecturers Constantine Vournas, Nikolaos Kimoulakis (T & R Associates), Τσουράκης Γεώργιος
Links Helios, Course's Website
Web Platform Class 1: Microsoft Teams


Modelling of Steam Power Plants: Boilers, boiler controls, single and multi-stage steam turbines. Modeling of Hydro Power Plants: solid mass and surge conduit models, water hammer effect, electrical analogues. Modelling and control of synchronous generators. Governors. Load-frequency control: area control error, continuous and discrete control, tie-line and frequency control. Excitation Systems and Automatic Voltage Regulators (AVR). Stability of nonlinear systems. Small-signal and transient stability. Electromechanical Oscillations, damping and synchronizing torque, effect of AVR. Power System Stabilizers. Direct and indirect methods for Transient Stability. Energy functions. Equal Area Criterion. Critical angle and critical time determination. Direct and indirect stability methods. Laboratory exercises and Simulink applications.