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Electrical hubs: An effective way to integrate non-dispatchable renewable energy sources with minimum impact to the grid

Perera, A.T.D. ; Nik, Vahid M. ; Mauree, Dasaraden ; Scartezzini, Jean-Louis

Applied energy, 2017-03, Vol.190, p.232-248 [Periódico revisado por pares]

Elsevier Ltd

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  • Título:
    Electrical hubs: An effective way to integrate non-dispatchable renewable energy sources with minimum impact to the grid
  • Autor: Perera, A.T.D. ; Nik, Vahid M. ; Mauree, Dasaraden ; Scartezzini, Jean-Louis
  • Assuntos: Annan elektroteknik och elektronik ; Distributed generation ; Electrical Engineering, Electronic Engineering, Information Engineering ; Electrical hubs ; Elektroteknik och elektronik ; Energisystem ; Energy Systems ; Engineering and Technology ; Environmental Engineering ; Grid integration ; Multi-objective optimization ; Naturresursteknik ; Non-dispatchable energy ; Other Electrical Engineering, Electronic Engineering, Information Engineering ; Teknik
  • É parte de: Applied energy, 2017-03, Vol.190, p.232-248
  • Descrição: [Display omitted] •A novel method introduced to optimize Electrical Hubs.•Novel dispatch based on fuzzy control and finite state machines.•Evaluating sensitivity of three performance indices for system autonomy.•Multi objective optimization considering system autonomy-cost.•Electrical Hubs can cover above 60% of the demand using wind and Solar PV. A paradigm change in energy system design tools, energy market, and energy policy is required to attain the target levels in renewable energy integration and in minimizing pollutant emissions in power generation. Integrating non-dispatchable renewable energy sources such as solar and wind energy is vital in this context. Distributed generation has been identified as a promising method to integrate Solar PV (SPV) and wind energy into grid in recent literature. Distributed generation using grid-tied electrical hubs, which consist of Internal Combustion Generator (ICG), non-dispatchable energy sources (i.e., wind turbines and SPV panels) and energy storage for providing the electricity demand in Sri Lanka is considered in this study. A novel dispatch strategy is introduced to address the limitations in the existing methods in optimizing grid-integrated electrical hubs considering real time pricing of the electricity grid and curtailments in grid integration. Multi-objective optimization is conducted for the system design considering grid integration level and Levelized Energy Cost (LEC) as objective functions to evaluate the potential of electrical hubs to integrate SPV and wind energy. The sensitivity of grid curtailments, energy market, price of wind turbines and SPV panels on Pareto front is evaluated subsequently. Results from the Pareto analysis demonstrate the potential of electrical hubs to cover more than 60% of the annual electricity demand from SPV and wind energy considering stringent grid curtailments. Such a share from SPV and wind energy is quite significant when compared to direct grid integration of non-dispatchable renewable energy technologies.
  • Editor: Elsevier Ltd
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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