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Energies 2016, 9(3), 216; doi:10.3390/en9030216

A Multi-Objective Optimization Framework for Offshore Wind Farm Layouts and Electric Infrastructures

1
DC systems, Energy conversion & Storage Group, Delft University of Technology, Mekelweg 4, Delft 2628 CD, The Netherlands
2
Department of Industrial Technologies, Universidad de Talca, Talca 3340000, Chile
3
CITCEA-UPC, Carrer de Jordi Girona, 31, Barcelona 08034, Spain
4
ECN, Westerduinweg 3, Petten 1755 LE, The Netherlands
5
Centrum Wiskunde & Informatica, Science Park 123, Amsterdam 1098 XG, The Netherlands
*
Author to whom correspondence should be addressed.
Academic Editor: Frede Blaabjerg
Received: 2 November 2015 / Revised: 1 March 2016 / Accepted: 4 March 2016 / Published: 18 March 2016

Abstract

Current offshore wind farms (OWFs) design processes are based on a sequential approach which does not guarantee system optimality because it oversimplifies the problem by discarding important interdependencies between design aspects. This article presents a framework to integrate, automate and optimize the design of OWF layouts and the respective electrical infrastructures. The proposed framework optimizes simultaneously different goals (e.g., annual energy delivered and investment cost) which leads to efficient trade-offs during the design phase, e.g., reduction of wake losses vs collection system length. Furthermore, the proposed framework is independent of economic assumptions, meaning that no a priori values such as the interest rate or energy price, are needed. The proposed framework was applied to the Dutch Borssele areas I and II. A wide range of OWF layouts were obtained through the optimization framework. OWFs with similar energy production and investment cost as layouts designed with standard sequential strategies were obtained through the framework, meaning that the proposed framework has the capability to create different OWF layouts that would have been missed by the designers. In conclusion, the proposed multi-objective optimization framework represents a mind shift in design tools for OWFs which allows cost savings in the design and operation phases. View Full-Text
Keywords: design parameters; economic functions; multi-objective optimization; offshore wind farms; trade-offs; wind farm designers design parameters; economic functions; multi-objective optimization; offshore wind farms; trade-offs; wind farm designers
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Rodrigues, S.; Restrepo, C.; Katsouris, G.; Teixeira Pinto, R.; Soleimanzadeh, M.; Bosman, P.; Bauer, P. A Multi-Objective Optimization Framework for Offshore Wind Farm Layouts and Electric Infrastructures. Energies 2016, 9, 216.

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