Design of Protective Inductors for HVDC Transmission Line Within DC Grid Offshore Wind Farms

This paper presents fault analysis and protective inductors design for an offshore wind farm, where the power collection system in the wind farm and the power transmission link to the grid adopt high-voltage direct-current (HVDC) technology. This paper focuses on dealing with short-circuit faults in...

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Bibliographic Details
Published in:IEEE transactions on power delivery 2013-01, Vol.28 (1), p.75-83
Main Authors: Deng, Fujin, Chen, Zhe
Format: Article
Language:English
Subjects:
Capacitors
Circuit faults
DC fault
Discharges (electric)
high-voltage direct current (HVDC)
HVDC transmission
Inductors
offshore wind farm
Power cables
Wind farms
wind power generation
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Summary:This paper presents fault analysis and protective inductors design for an offshore wind farm, where the power collection system in the wind farm and the power transmission link to the grid adopt high-voltage direct-current (HVDC) technology. This paper focuses on dealing with short-circuit faults in the HVDC link between the offshore station and the onshore station. The transient characteristics of the transmission system are analyzed in detail. The criteria of selecting protective inductors are proposed to effectively limit the short-circuit current and avoid the damage to the converters. A dc grid offshore wind farm is simulated, and the results demonstrate the effectiveness of the proposed protective inductors design.
ISSN:0885-8977
1937-4208
DOI:10.1109/TPWRD.2012.2224384