Aims: To provide a detailed understanding of power system control, including stability control, frequency control, and voltage control.
Learning Outcomes:
After completing this unit students will be able to: explain power system steady-state stability, dynamic stability and transient stability on the basis of three operation modes of power systems; understand how to establish a power system model at steady-state operation mode; perform load flow calculation of the power system; apply Park's transformation; establish the rotor movement equation of a synchronous generator; understand how to derive the linearised Phillips-Heffron model and the state space representation model of power systems; understand automatic voltage regulation of power systems and types of exciters; use algebraic methods to design an Automatic Voltage Regulator (AVR); understand damping torque analysis for the study of power system oscillation stability; use the phase compensation method to design a Power System Stabiliser (PSS); explain the conflict requirement of power system stability control and improvement of power system transient stability.
Skills:
Application of the information, techniques and methods discussed in the lectures to the control of electric power systems.
Content:
Power system modelling: Rotor movement equation of synchronous generator; Park's transformation; steady-state model; simplified dynamic model of a single-machine infinite-bus power system; linearised Phillips-Heffron model; state equation model. Power system control analysis; transient stability analysis and improvement. Power system control design: AVR design; PSS design.
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