Application of a multivariable feedback linearization scheme for rotor angle stability and voltage regulation of power systems

This paper investigates the application of a nonlinear controller to the multi-input multi-output model of a system consisting of a hydraulic turbine and a synchronous generator. The controller proposed is based on a feedback linearization scheme. Its main goal is to control the rotor angle as well...

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Bibliographic Details
Published in:IEEE transactions on power systems 1999-05, Vol.14 (2), p.620-628
Main Authors: Akhrif, O., Okou, F.-A., Dessaint, L.-A., Champagne, R.
Format: Article
Language:English
Subjects:
Applied sciences
Control
Control systems
Damping
Electric potential
Electrical engineering. Electrical power engineering
Electrical machines
Exact sciences and technology
Feedback linearization
Hydraulic turbines
Linear feedback control systems
Nonlinear control systems
Power electronics, power supplies
Regulation and control
Regulators
Rotors
Stability
Synchronous generators
Terminals
Voltage
Voltage control
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Summary:This paper investigates the application of a nonlinear controller to the multi-input multi-output model of a system consisting of a hydraulic turbine and a synchronous generator. The controller proposed is based on a feedback linearization scheme. Its main goal is to control the rotor angle as well as the terminal voltage, to improve the system's stability and damping properties under large disturbances and to obtain good post-fault voltage regulation. The response of the system is simulated in the presence of a short-circuit at the terminal of the machine in two different configurations and compared to the performance of a standard IEEE type 1 voltage regulator, PSS and a PID speed regulator.
ISSN:0885-8950
1558-0679
DOI:10.1109/59.761889