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http://hdl.handle.net/10397/93988
Title: | Short-circuit model for Type-IV wind turbine generators with decoupled sequence control | Authors: | Kauffmann, T Karaagac, U Kocar, I Jensen, S Farantatos, E Haddadi, A Mahseredjian, J |
Issue Date: | Oct-2019 | Source: | IEEE transactions on power delivery, Oct. 2019, v. 34, no. 5, 8678795, p. 1998-2007 | Abstract: | The power system planning and protection studies are becoming more challenging due to the rapid increase in penetration levels of converter-interfaced renewables. Type-IV wind turbine generators (WTGs) and photovoltaic panels are interfaced to the grid through a full-scale converter, and their short-circuit current contributions are mainly designated by the converter control and associated current limits. This paper proposes a new phasor domain modeling approach for the wind parks (WPs) with Type-IV WTGs, using the concept of control-based equivalent circuits. The proposed model precisely represents the detailed electromagnetic transient (EMT)-type model in steady state, and is able to account for the fault-ride-through function of the WTG control as well as its specific decoupled sequence control scheme in addition to the traditional coupled control scheme. Although the collector grid and WTGs inside the WP are represented with their aggregated models, the overall reactive power control structure of the WP is preserved by taking the central WP controller into account. The accuracy of the proposed model is validated through detailed EMT simulations. | Keywords: | Full-scale converter (FSC) Phasor domain modeling Protection studies Short-circuit calculation Unbalanced faults Wind turbine generators |
Publisher: | Institute of Electrical and Electronics Engineers | Journal: | IEEE transactions on power delivery | ISSN: | 0885-8977 | EISSN: | 1937-4208 | DOI: | 10.1109/TPWRD.2019.2908686 | Rights: | © 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The following publication T. Kauffmann et al., "Short-Circuit Model for Type-IV Wind Turbine Generators With Decoupled Sequence Control," in IEEE Transactions on Power Delivery, vol. 34, no. 5, pp. 1998-2007, Oct. 2019 is available at https://dx.doi.org/10.1109/TPWRD.2019.2908686. |
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Kauffmann_Wind_Turbine_Generators.pdf | Pre-Published version | 1.03 MB | Adobe PDF | View/Open |
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