Asynchronous generator behavior after a sudden load rejection

Waldemar Rebizant, Vladimir Terzija

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Citations (Scopus)


In the paper load rejection test, performed at a hydro power plant in Sweden, equipped with asynchronous generators, is described and analysed from the electromechanical transient processes and signal distortions points of view. During the test voltages and currents at shunt capacitor and generator terminals are digitised, recorded and thereafter off-line processed. Two adaptive methods are applied for signal processing: the Newton-Type Algorithm (NTA) and the Adaptive Fourier Filter (AFF) Scheme. The features of both methods during nominal frequency conditions and severe frequency changes and signal distortions are investigated. It is proved that the adaptive approach proposed is well suited for voltage and current measurements when the signal frequency changes in a wide range.

Original languageEnglish
Title of host publication2003 IEEE Bologna PowerTech - Conference Proceedings
PublisherIEEE Computer Society
Number of pages7
ISBN (Print)0780379675, 9780780379671
Publication statusPublished - 2003
Externally publishedYes
Event2003 IEEE Bologna PowerTech Conference - Bologna, Italy
Duration: 23 Jun 200326 Jun 2003

Publication series

Name2003 IEEE Bologna PowerTech - Conference Proceedings


Conference2003 IEEE Bologna PowerTech Conference


  • Adaptive measurements
  • Asynchronous generator
  • Distortions
  • Frequency
  • Load rejection
  • Transient analysis


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