Estimation of a Global Synchronous Machine Model Using a Multiple-Input Multiple-Output Estimator

Nele Dedene, Rik Pintelon, Philippe Lataire, Ieee Power Engineering Society (Editor)

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)


In this paper, the measurement results of a series of standstill frequency-response (SSFR) tests, performed at different magnetization levels, are discussed. For each data set, an individual d-axis model is estimated, which allows seeing the variation of the different parameters as a function of saturation. A global estimator is presented which uses the different data sets to estimate one global model, including the field-to-armature turns ration. The global estimator is based on an impedance matrix representation of the synchronous machine. This global estimator assumes that only the d-axis main inductance is saturation dependent. The individual estimated models justify this assumption. Finally, the relative additional error of the global estimated d-axis equivalent circuit with the individual estimated ones is studied. The measurement results discussed in this paper are obtained on a four-pole 130-kVA synchronous machine.
Original languageEnglish
Pages (from-to)11-16
Number of pages6
JournalIEEE Transactions on Energy Conversion
Publication statusPublished - 1 Feb 2003

Bibliographical note

IEEE Transactions on Energy Conversion, Vol. 18, No. 1, February 2003, pp. 11-16
Series editor: IEEE Power Engineering Society


  • parameter estimation
  • synchronous machine


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