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Open AccessArticle

Providing Ancillary Services with Wind Turbine Generators Based on DFIG with a Two-Branch Static Converter

1
Department of Electrical Engineering, Federal University of Ceara, Fortaleza CE 60020-181, Brazil
2
Federal Institute of Education, Science and Technology of Ceara, Jaguaribe CE 63475-000, Brazil
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Energies 2019, 12(13), 2490; https://doi.org/10.3390/en12132490
Received: 30 May 2019 / Revised: 25 June 2019 / Accepted: 26 June 2019 / Published: 28 June 2019
This work aims to analyze and validate through mathematical modeling and experimental results, in a three-phase three-wire electrical system, the technical viability of a static power converter with a two-level topology with only two controlled branches (2L2B), operating as a grid-side converter (GSC) in a wind turbine generator based on a doubly fed induction generator (DFIG). With this reduced-switches topology, the GSC is able to regulate the DC-link voltage level from the generator back-to-back converter and provide ancillary services of harmonic filtering and reactive power compensation from linear/nonlinear loads connected to the point of common coupling. An 8-kVA experimental prototype was implemented in the laboratory to validate the proposal. The prototype control system was realized using the dSPACE DS1103 PPC Controller Board platform programmed via MATLAB/Simulink. The effectiveness of the proposed system is verified by comparing the results obtained with the 2L2B topology to the ones with the usual two-level three-branch topology. View Full-Text
Keywords: wind power generation; DFIG; ancillary services; power quality; reduced-switches topology wind power generation; DFIG; ancillary services; power quality; reduced-switches topology
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MDPI and ACS Style

Morais, E.E.C.; Lima, F.K.A.; Fonseca, J.M.L.; Branco, C.G.C.; Machado, L.A. Providing Ancillary Services with Wind Turbine Generators Based on DFIG with a Two-Branch Static Converter. Energies 2019, 12, 2490.

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