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Open AccessArticle

An Advanced Control Technique for Floating Offshore Wind Turbines Based on More Compact Barge Platforms

1
IK4-IKERLAN, Paseo J.Ma Arizmendiarrieta 2, 20500 Arrasate-Mondragón, Gipuzkoa, Spain
2
Department of Electricity and Electronics, University of the Basque Country UPV/EHU, Bo. Sarriena s/n, 48940 Leioa, Bizkaia, Spain
*
Author to whom correspondence should be addressed.
Energies 2018, 11(5), 1187; https://doi.org/10.3390/en11051187
Received: 26 March 2018 / Revised: 28 April 2018 / Accepted: 4 May 2018 / Published: 8 May 2018
(This article belongs to the Special Issue Wind Turbine Loads and Wind Plant Performance)
Hydrodynamic Floating Offshore Wind Turbine (FOWT) platform specifications are typically dominated by seaworthiness and maximum operating platform-pitch angle-related requirements. However, such specifications directly impact the challenge posed by an FOWT in terms of control design. The conventional FOWT systems are typically based on large, heavy floating platforms, which are less likely to suffer from the negative damping effect caused by the excessive coupling between blade-pitch control and platform-pitch motion. An advanced control technique is presented here to increase system stability for barge type platforms. Such a technique mitigates platform-pitch motions and improves the generator speed regulation, while maintaining blade-pitch activity and reducing blade and tower loads. The NREL’s 5MW + ITI Energy barge reference model is taken as a basis for this work. Furthermore, the capabilities of the proposed controller for performing with a more compact and less hydrodynamically stable barge platform is analysed, with encouraging results. View Full-Text
Keywords: floating offshore wind turbine; barge; advanced control; aerodynamic platform stabiliser floating offshore wind turbine; barge; advanced control; aerodynamic platform stabiliser
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MDPI and ACS Style

Olondriz, J.; Elorza, I.; Jugo, J.; Alonso-Quesada, S.; Pujana-Arrese, A. An Advanced Control Technique for Floating Offshore Wind Turbines Based on More Compact Barge Platforms. Energies 2018, 11, 1187.

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