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Wave energy park power quality impact and collection grid economic assessment

L. Trilla ; Torbjörn Thiringer (Institutionen för energi och miljö, Elteknik) ; S. Sahlin ; T. Andersson
Iet Renewable Power Generation (1752-1416). Vol. 9 (2015), 4, p. 368-378.
[Artikel, refereegranskad vetenskaplig]

In this study, a wave park is analysed from the economic and electrical points of view. The system under consideration goes from each wave energy unit up to the point of common connection with the main grid. Time series are obtained from simulation models for a scaled prototype and include data for mild, medium and strong sea states. The simulation models have been validated against the small scale tank testing of a prime mover, a wave rider buoy and a scaled testing of the power take-off in a land-based test rig. The design of the proposed wave park layout aims to minimise its cost and power losses. A life-cycle analysis of the park is performed showing that around 30 Euro/MWh will be the share of the electricity price required to install and operate the wave park grid. The power quality of the wave park and its compliance with regulations are also analysed. Special emphasis is put in the study of flicker emissions concluding that the proposed wave park is within the grid code limitations and even a reduction of a 66% in the flicker coefficients is reported when considering the aggregation of several units in one model.

Nyckelord: wave power plants; power supply quality; power grids; power generation economics; time series; pricing; power markets; remaining life assessment; wave energy park power quality impact; collection grid economic assessment; wave energy unit; point of common connection; time series; scale tank testing; prime mover; wave rider buoy; power take-off scaled testing; land-based test rig; wave park layout; power losses; cost minimization; life-cycle analysis; electricity price; wave park grid; flicker emissions; grid code; flicker coefficients

Denna post skapades 2015-05-21. Senast ändrad 2017-10-03.
CPL Pubid: 217372


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Institutioner (Chalmers)

Institutionen för energi och miljö, Elteknik (2005-2017)



Chalmers infrastruktur