Zusammenfassung
In vielen Ländern ist die Modellverifikation von Erregungssystemen vorgeschrieben. Deshalb ist die Aufnahme der Übertragungsfunktionen in den Anlagen heutzutage ein Standard. Kommerziell wird die Implementierung eines Pseudo-Random Binary Sequence-Generators im Erregungssystem, anstelle der Verwendung eines eigenständigen Gerätes zur Spektralanalyse, umgesetzt. Eine Überprüfung und Verifikation der Übertragungsfunktion ist von hoher Bedeutung für die Modellierung des Energiesystems. Die Tests dienen auch der Optimierung von Spannungsreglern und Wirkleistungsstabilisierungen.
Summary
In several countries, field tests for excitation system model verification have become mandatory. Therefore on-site transfer function identification of hydro units are compulsory. Using excitation system implemented Pseudo-Random Binary Sequence signal instead of a solid state spectrum analyser is a commercial solution. A correct transfer function of a generating unit is of high importance for modelling the power system, since it helps to understand behaviour, predict failures and improve stability and dynamic performance. Especially on hydro units these tests can verify tuning quality of excitation systems and power system stabilisers.
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Glaninger-Katschnig, A. Identification of excitation system transfer functions in hydro power plants using a binarypseudo random signal. Elektrotech. Inftech. 127, 8–12 (2010). https://doi.org/10.1007/s00502-010-0708-3
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DOI: https://doi.org/10.1007/s00502-010-0708-3