A new method of excitation control based on fuzzy set theory

The synthesis of the structure of the power system stabiliser (PSS) and its parametrization are based entirely on methods of linear system theory. Thus the desired effect of the PSS is limited to a bounded area around one system operating point. The use of a controller based on fuzzy set theory intr...

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Bibliographic Details
Main Authors: Handschin, E., Hoffmann, W., Reyer, F., Stephanblome, T., Schlucking, U., Westermann, D., Ahmed, S.S.
Format: Conference Proceeding
Language:English
Subjects:
Control system synthesis
Control systems
Fuzzy control
Fuzzy set theory
Fuzzy sets
Linear systems
Power system simulation
Power systems
Synchronous machines
Voltage control
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Summary:The synthesis of the structure of the power system stabiliser (PSS) and its parametrization are based entirely on methods of linear system theory. Thus the desired effect of the PSS is limited to a bounded area around one system operating point. The use of a controller based on fuzzy set theory introduces an event controlled excitation of the synchronous machine taking into account the power system operation. The desired response of the fuzzy controller is given by a set of rules which are obtained from the limits of the voltage regulator and the undesired performance of the conventional excitation control. A fuzzy controller has been developed for which simulation results are provided. These results support the concept of a fuzzy controller for the purpose of excitation control. They show that a well designed fuzzy controller is superior to a fast excitation control with an additional PSS.< >
DOI:10.1109/PICA.1993.291038