Aims & Learning Objectives:
Aims: To provide a detailed understanding of power system control, including stability control, frequency control and voltage control.
Objectives:
After successfully 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 rotor movement equation of a synchronous generator; understand how to derive linearized Phillips-Heffron model and state space representation model of power systems; understand automatic voltage regulation of power systems and types of exciters; use algebraic method to design a Automatic Voltage Regulator (AVR); understand damping torque analysis for the study of power system oscillation stability; use phase compensation method to design a Power System Stabilizer (PSS); explain the conflict requirement of power system stability control and improvement of power system transient stability.
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; linearized Phillips-Heffron model; state equation model.
Power system control analysis: Power system small-signal stability analysis; damping torque analysis; transient stability analysis and improvement.
Power system control design: AVR design; PSS design.
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