The design of a robust frequency converter controller for high dynamic performance of a synchronous generator requires an accurate dynamic model of the electromagnetic part. In this paper, a new procedure for identifying the transfer functions of Park’s -axis model of a synchronous generator has been developed. It will be shown that the parameters of this model can be easily identified from standstill time-domain data. The validity of the theoretical model has been verified by comparing time-domain simulations with measurements taken from the Lagerwey LW-50/750 direct-drive synchronous generator. It can be concluded that a consistent model estimate of the electromagnetic part of the LW-50/750 generator has been obtained. Ultimate validation, however, will follow after the implementation of the designed frequency converter controller in this wind turbine.
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e-mail: D.P.Molenaar@wbmt.tudelft.nl
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November 2002
Technical Papers
Time-Domain Identification of Synchronous Generator Transfer Functions
David-P. Molenaar,
e-mail: D.P.Molenaar@wbmt.tudelft.nl
David-P. Molenaar
Mechanical Engineering, Systems and Control Group, Delft University of Technology, Mekelweg 2, 2628 CD Delft, The Netherlands
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O. H. Bosgra,
O. H. Bosgra
Mechanical Engineering, Systems and Control Group, Delft University of Technology, Mekelweg 2, 2628 CD Delft, The Netherlands
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M. J. Hoeijmakers
M. J. Hoeijmakers
Electrical Power Processing Group, Faculty of Information Technology and Systems, Delft University of Technology, Mekelweg 4, 2628 CD Delft, The Netherlands
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David-P. Molenaar
Mechanical Engineering, Systems and Control Group, Delft University of Technology, Mekelweg 2, 2628 CD Delft, The Netherlands
e-mail: D.P.Molenaar@wbmt.tudelft.nl
O. H. Bosgra
Mechanical Engineering, Systems and Control Group, Delft University of Technology, Mekelweg 2, 2628 CD Delft, The Netherlands
M. J. Hoeijmakers
Electrical Power Processing Group, Faculty of Information Technology and Systems, Delft University of Technology, Mekelweg 4, 2628 CD Delft, The Netherlands
Contributed by the Solar Energy Division of the THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF SOLAR ENERGY ENGINEERING. Manuscript received by the ASME Solar Energy Division, March 2002; final revision, July 2002. Associate Editor: D. Berg.
J. Sol. Energy Eng. Nov 2002, 124(4): 419-426 (8 pages)
Published Online: November 8, 2002
Article history
Received:
March 1, 2002
Revised:
July 1, 2002
Online:
November 8, 2002
Citation
Molenaar, D., Bosgra, O. H., and Hoeijmakers, M. J. (November 8, 2002). "Time-Domain Identification of Synchronous Generator Transfer Functions ." ASME. J. Sol. Energy Eng. November 2002; 124(4): 419–426. https://doi.org/10.1115/1.1510136
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