Fault Current Contribution from VSC-based Wind Turbines to the Grid

Florin Iov, Massimo Valentini, V. Akhmatov, Jens Thisted

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

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Abstract

When performing short-circuit investigations in power systems including wind power, valuable and accurate results can only be obtained by considering the real behavior of wind turbines which is specified in national grid codes. This requires the consideration of the exact active and reactive current injections during the fault. In this paper an equivalent VSC-based wind turbine model for short-circuit calculations at steady-state conditions is developed and presented. The model is implemented in DigSILENT PowerFactory using the DPL-Programming Language. The developed wind turbine model is successfully evaluated proving that the DPL routine accurately implements the injection of the desired active and reactive current components according to the German grid code; the model is also compared with the validated 3.6MW variable-speed wind turbine dynamic model developed and provided by Siemens Wind Power. The wind turbine model is finally rescaled to obtain an aggregate wind farm model and used to perform short-circuit calculations in a realistic scenario; the Danish transmission system is considered and a large offshore wind farm with VSC-based wind turbines is included in the investigation.
Original languageEnglish
Title of host publicationProceedings of The Second International Symposium on Electrical and Electronics Engineering, ISEEE08
Number of pages7
PublisherUniversity of Galati, Romania
Publication date2008
Publication statusPublished - 2008
EventInternational Symposium on Electrical and Electronics Engineering, ISEEE08 - Galati, Romania
Duration: 12 Sep 200813 Sep 2008
Conference number: 2

Conference

ConferenceInternational Symposium on Electrical and Electronics Engineering, ISEEE08
Number2
CountryRomania
CityGalati
Period12/09/200813/09/2008

Fingerprint

Electric fault currents
Wind turbines
Short circuit currents
Wind power
Offshore wind farms
Computer programming languages
Dynamic models

Keywords

  • Wind Power
  • Grid Integration
  • Power Converters
  • Short-circuit current contribution
  • Grid support

Cite this

Iov, F., Valentini, M., Akhmatov, V., & Thisted, J. (2008). Fault Current Contribution from VSC-based Wind Turbines to the Grid. In Proceedings of The Second International Symposium on Electrical and Electronics Engineering, ISEEE08 University of Galati, Romania.
Iov, Florin ; Valentini, Massimo ; Akhmatov, V. ; Thisted, Jens. / Fault Current Contribution from VSC-based Wind Turbines to the Grid. Proceedings of The Second International Symposium on Electrical and Electronics Engineering, ISEEE08. University of Galati, Romania, 2008.
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abstract = "When performing short-circuit investigations in power systems including wind power, valuable and accurate results can only be obtained by considering the real behavior of wind turbines which is specified in national grid codes. This requires the consideration of the exact active and reactive current injections during the fault. In this paper an equivalent VSC-based wind turbine model for short-circuit calculations at steady-state conditions is developed and presented. The model is implemented in DigSILENT PowerFactory using the DPL-Programming Language. The developed wind turbine model is successfully evaluated proving that the DPL routine accurately implements the injection of the desired active and reactive current components according to the German grid code; the model is also compared with the validated 3.6MW variable-speed wind turbine dynamic model developed and provided by Siemens Wind Power. The wind turbine model is finally rescaled to obtain an aggregate wind farm model and used to perform short-circuit calculations in a realistic scenario; the Danish transmission system is considered and a large offshore wind farm with VSC-based wind turbines is included in the investigation.",
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Iov, F, Valentini, M, Akhmatov, V & Thisted, J 2008, Fault Current Contribution from VSC-based Wind Turbines to the Grid. in Proceedings of The Second International Symposium on Electrical and Electronics Engineering, ISEEE08. University of Galati, Romania, Galati, Romania, 12/09/2008.

Fault Current Contribution from VSC-based Wind Turbines to the Grid. / Iov, Florin; Valentini, Massimo; Akhmatov, V.; Thisted, Jens.

Proceedings of The Second International Symposium on Electrical and Electronics Engineering, ISEEE08. University of Galati, Romania, 2008.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

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T1 - Fault Current Contribution from VSC-based Wind Turbines to the Grid

AU - Iov, Florin

AU - Valentini, Massimo

AU - Akhmatov, V.

AU - Thisted, Jens

PY - 2008

Y1 - 2008

N2 - When performing short-circuit investigations in power systems including wind power, valuable and accurate results can only be obtained by considering the real behavior of wind turbines which is specified in national grid codes. This requires the consideration of the exact active and reactive current injections during the fault. In this paper an equivalent VSC-based wind turbine model for short-circuit calculations at steady-state conditions is developed and presented. The model is implemented in DigSILENT PowerFactory using the DPL-Programming Language. The developed wind turbine model is successfully evaluated proving that the DPL routine accurately implements the injection of the desired active and reactive current components according to the German grid code; the model is also compared with the validated 3.6MW variable-speed wind turbine dynamic model developed and provided by Siemens Wind Power. The wind turbine model is finally rescaled to obtain an aggregate wind farm model and used to perform short-circuit calculations in a realistic scenario; the Danish transmission system is considered and a large offshore wind farm with VSC-based wind turbines is included in the investigation.

AB - When performing short-circuit investigations in power systems including wind power, valuable and accurate results can only be obtained by considering the real behavior of wind turbines which is specified in national grid codes. This requires the consideration of the exact active and reactive current injections during the fault. In this paper an equivalent VSC-based wind turbine model for short-circuit calculations at steady-state conditions is developed and presented. The model is implemented in DigSILENT PowerFactory using the DPL-Programming Language. The developed wind turbine model is successfully evaluated proving that the DPL routine accurately implements the injection of the desired active and reactive current components according to the German grid code; the model is also compared with the validated 3.6MW variable-speed wind turbine dynamic model developed and provided by Siemens Wind Power. The wind turbine model is finally rescaled to obtain an aggregate wind farm model and used to perform short-circuit calculations in a realistic scenario; the Danish transmission system is considered and a large offshore wind farm with VSC-based wind turbines is included in the investigation.

KW - Wind Power

KW - Grid Integration

KW - Power Converters

KW - Short-circuit current contribution

KW - Grid support

M3 - Article in proceeding

BT - Proceedings of The Second International Symposium on Electrical and Electronics Engineering, ISEEE08

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Iov F, Valentini M, Akhmatov V, Thisted J. Fault Current Contribution from VSC-based Wind Turbines to the Grid. In Proceedings of The Second International Symposium on Electrical and Electronics Engineering, ISEEE08. University of Galati, Romania. 2008