Electrical cable utilization for wave energy converters

Bull, Diana L; Baca, Michael J.; Schenkman, Benjamin L.

doi:10.1007/s40722-017-0102-x

Cited by 3 publications

(4 citation statements)

References 14 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Under these conditions, the benefit of applying dynamic rating to these farms is therefore expected to be even more significant than in the case of wind farms. However, only few studies have focused on the techno-economic optimisation of wave farm electrical infrastructures, and, excluding the authors preliminary work [7], none of them have addressed the exploitation of thermal inertia [8][9][10]. Hence, this paper proposes to address this question in the perspective of maximising the use of existing infrastructures.…”

Section: Introductionmentioning

confidence: 99%

Upgrading wave energy test sites by including overplanting: a techno‐economic analysis

Blavette

Bonnard

Daminov

et al. 2021

IET Renewable Power Gen

View full text Add to dashboard Cite

Dynamic rating is an approach which implies to operate an electrical network closer to its thermal limits. This approach may be very beneficial for wave farms, as they are expected to present a highly fluctuating electrical current profile while benefiting from the large thermal inertia of the soil where their export cable will be buried. However, as the implementation of this approach is still in its infancy for offshore wind farms, it may be expected that the first wave farms, under the form of small-scale test sites, will be sized with respect to electrical current limits at a first stage. This sizing may be upgraded at a second stage when design methods will have included dynamic rating. However, this raises the question of the economic feasibility of this two-step approach, which is studied in this paper. Also, performing such a techno-economic analysis requires developing an electrothermal model of the export cable able to represent its transient response in a sufficiently precise manner while requiring also a reasonable computing time. In this perspective, a comparative analysis between several electrothermal modelling methods is also described in this paper.This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

show abstract

Section: Introductionmentioning

confidence: 99%

Upgrading wave energy test sites by including overplanting: a techno‐economic analysis

Blavette

Bonnard

Daminov

et al. 2021

IET Renewable Power Gen

View full text Add to dashboard Cite

show abstract

“…50% each), may represent up to 20 % of a wave farm capital expenditure. Hence, a reasonable percentage of cost reduction in this area may lead to a significant decrease in terms of capital expenditure [6,7].…”

Section: Introductionmentioning

confidence: 99%

“…However, so far, and to the best of the authors' knowledge, only few studies have addressed the techno-economic optimization of the cabling infrastructure sizing in the specific case of wave energy farms [6,7]. In both studies, the cable current rating is determined based on an approximation implying that a wave farm outputs its maximum current in the form of a constant profile, thus implying steady-state conditions.…”

Section: Introductionmentioning

confidence: 99%

Modeling of a wave farm export cable for electro-thermal sizing studies

et al. 2020

View full text Add to dashboard Cite

So far, only few studies have addressed the techno-economic optimization of an export cable sizing in the specific case of wave energy farms. However, in these works, the cable current rating is determined based on conservative steady-state conditions regarding the farm current output whereas considering dynamic conditions may be more relevant in the case of wave energy applications. However, this implies developing and using dedicated electro-thermal models, which poses a challenge regarding the determination of the modeling fineness level to be adopted for such studies. Hence, this paper presents several numerical models, the most refined of which is compared with experimental data, as well as well as preliminary cable sizing studies. Contrary to previous works in this field, the fluctuating nature of wave energy is considered here, thus allowing for more realistic results.

show abstract

“…Many studies have addressed the design optimization of the MRE farms electrical infrastructure. More precisely, they have mainly focused on cable length and rated current [4], [5], [6], [7], [8], and WECs spatial layout [9], [10]. One of the next steps consists in addressing the future challenges regarding the use of the electric infrastructures, such as the existing test sites (e.g.…”

mentioning

confidence: 99%

Towards the optimal use of an existing MRE electrical network from an electrothermal perspective

Bonnard

Blavette

Bourguet

et al. 2019

2019 IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe)

View full text Add to dashboard Cite

Marine renewable energy (MRE) is an interesting sustainable source of power. However, planning the cost-effective integration of MRE, and in particular of wave energy, in the energy mix remains a challenge as its levelized cost of energy (LCOE) is still greater than these of more conventional energy sources. This paper describes a preliminary study about the energy production management of a simulated point absorberbased WEC farm that could be installed in the vicinity of the SEM-REV site, i.e. the French multi-technology open sea test site. The proposed approach is based on the temporal analysis of the electrothermal behavior of the export cable of the SEM-REV. The models developed under Matlab-Simulink ® , are generic and can be easily extended to other WEC types and more sophisticated models and control strategies, as well as to other energy sources (e.g. offshore wind). It is demonstrated in this work that there is room to maximize the utilization of the export cable, which allows to increase wave electricity production during a predetermined sea-state sequence with limited to no curtailment.

show abstract

Electrical cable utilization for wave energy converters

Cited by 3 publications

References 14 publications

Upgrading wave energy test sites by including overplanting: a techno‐economic analysis

Upgrading wave energy test sites by including overplanting: a techno‐economic analysis

Modeling of a wave farm export cable for electro-thermal sizing studies

Towards the optimal use of an existing MRE electrical network from an electrothermal perspective

Contact Info

Product

Resources

About