10Offshore wind power plants (OWPPs) tend to be larger in size and distant from 11 shore. It is widely accepted that for long distances HVDC links are preferred 12 over HVAC transmission. Accordingly, one possible approach might be to con-
13sider not only a DC transmission system but also for the WPP collection grid. In
13This paper analyses, from a steady state point of view, the potential benefit of a
14Wind Power Plant (WPP) control strategy whose main objective is to maximise 15 its total energy yield over its lifetime by taking into consideration that the wake 16 effect within the WPP varies depending on the operation of each wind turbine.
17Unlike the conventional approach in which each wind turbine operation is op-18 timised individually to maximise its own energy capture, the proposed control 19 strategy aims to optimise the whole system by operating some wind turbines at 20 sub-optimum points, so that the wake effect within the WPP is reduced and the wind rose at the WPP location) by operating some specific wind turbines 30 slightly away from their optimum point and reducing thus the wake effect.31
In this study, a technical and economic comparative analysis for evaluating the performance of various electrical photovoltaic (PV) plant configurations is presented. This methodology assessment is based on a holistic approach that calculates the levelised cost of energy (LCOE) considering the capital and installation cost of the PV components, as well as, the operation and maintenance costs over the lifetime of the project. Also, the potential economic impact of the installation of batteries for providing flat-output response is investigated. Moreover, a sensitivity analysis is included for considering both economic and technical uncertainty on the LCOE. The presented methodology compares the performance of six different configurations in three hypothetical PV power plants (1, 50 and 200 MW) located in Golden, Colorado, USA. The results obtained demonstrate that although some PV power plant configurations present better efficiency (higher performance ratio), they are not the most cost-effective solutions because of the requirement of extra equipment or the inclusion of expensive technologies. Finally, the benefit of including batteries into the system is shown for flat output operation. The results show that in spite of their inclusion increases the LCOE, extra revenues can be obtained when providing such services.Peer ReviewedPostprint (published version
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