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Published in: Electrical Engineering 3/2023

23-02-2023 | Original Paper

Computation of steady-state operating conditions of a DFIG-based wind energy conversion system considering losses

Authors: D. R. Karthik, Narayan S. Manjarekar, Shashidhara Mecha Kotian

Published in: Electrical Engineering | Issue 3/2023

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Abstract

In this paper, steady-state operating conditions of a doubly fed induction generator (DFIG) are computed considering losses of grid-side (GS) filter. Two different cases are studied for steady-state initialization of the DFIG-based wind turbine systems (WTS). In the first case, active power (P) and reactive power (Q) at DFIG terminals are assumed to be known. In the other case wind speed (\(V_{w}\)), Q is assumed to be known. Apart from considering losses of the DFIG and GS filter, both the cases also consider the non-unity power factor operation of the grid side converter (GSC). For the first case, steady-state operating conditions are calculated by iterative method as well as by non-iterative method. For the second case, iterative method is used to calculate steady-state operating conditions. Calculation of steady-state values of other subsystems of DFIG-based WTS like drive train, controller and network is also shown. The initial values calculated are validated and compared by performing modal analysis and time-domain simulations.

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Appendix
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Metadata
Title
Computation of steady-state operating conditions of a DFIG-based wind energy conversion system considering losses
Authors
D. R. Karthik
Narayan S. Manjarekar
Shashidhara Mecha Kotian
Publication date
23-02-2023
Publisher
Springer Berlin Heidelberg
Published in
Electrical Engineering / Issue 3/2023
Print ISSN: 0948-7921
Electronic ISSN: 1432-0487
DOI
https://doi.org/10.1007/s00202-023-01766-x

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