Results 31 to 40 of about 47,115 (304)

Modeling and Synchronous Optimization of Pump Turbine Governing System Using Sparse Robust Least Squares Support Vector Machine and Hybrid Backtracking Search Algorithm

Energies, 2018
In view of the complex and changeable operating environment of pumped storage power stations and the noise and outliers in the modeling data, this study proposes a sparse robust least squares support vector machine (LSSVM) model based on the hybrid ...
Chu Zhang, Chaoshun Li, Tian Peng, Xin Xia, Xiaoming Xue, Wenlong Fu, Jianzhong Zhou   +6 more
doaj   +1 more source

Pumped-storage hydropower and hydrogen storage for meeting water and energy demand through a hybrid renewable energy system

Euro-Mediterranean Journal for Environmental Integration, 2023
AbstractThe majority of the Greek islands have autonomous energy stations, which use fossil fuels to produce electricity in order to meet electricity demand. Also, the water in the network is not fit for consumption. In this paper, the potential development of a hybrid renewable energy system is examined to address the issue of generating drinking ...
Athanasios-Foivos Papathanasiou, Maria Margarita Bertsiou, Evangelos Baltas   +2 more
openaire   +1 more source

Sizing and Cost Minimization of Standalone Hybrid WT/PV/Biomass/Pump-Hydro Storage-Based Energy Systems

Energies, 2021
In this study, a standalone hybrid wind turbine (WT)/photovoltaic (PV)/biomass/pump-hydro-storage energy system was designed and optimized based on technical, economic, and environmental parameters to provide the load demand with an objective function of
Fahd A. Alturki, Emad Mahrous Awwad
doaj   +1 more source

Assessing temporal complementarity between three variable energy sources by means of correlation and compromise programming

, 2019
Renewable energies are deployed worldwide to mitigate climate change and push power systems towards sustainability. However, the weather-dependent nature of renewable energy sources often hinders their integration to national grids.
Beluco, Alexandre, Canales, Fausto A., Jurasz, Jakub, Kies, Alexander   +3 more
core   +1 more source

Synchrotron Radiation for Quantum Technology

Advanced Functional Materials, EarlyView.
Materials and interfaces underpin quantum technologies, with synchrotron and FEL methods key to understanding and optimizing them. Advances span superconducting and semiconducting qubits, 2D materials, and topological systems, where strain, defects, and interfaces govern performance.
Oliver Rader, Sakura Pascarelli, Klaus Attenkofer, Anna A. Makarova, Karsten Holldack, Kai Rossnagel, Kristiaan Temst, George Kourousias, Stefano Carretta, Caterina Biscari, Helmut Dosch   +10 more
wiley   +1 more source

Enhancing Pumped Hydro Storage Regulation Through Adaptive Initial Reservoir Capacity in Multistage Stochastic Coordinated Planning

Energies
Hybrid pumped hydro storage plants, by integrating pump stations between cascade hydropower stations, have overcome the challenges associated with site selection and construction of pure pumped hydro storage systems, thereby becoming the optimal large ...
Chao Chen, Shan Huang, Yue Yin, Zifan Tang, Qiang Shuai   +4 more
doaj   +1 more source

Net Present Value Analysis of a Hybrid Gas Engine-Energy Storage System in the Balancing Mechanism

Energies, 2020
There is the potential for hybridised gas engine-energy storage systems to participate in the Balancing Mechanism (BM) by offering a product that marries the advantages of both units.
Farhad Anvari-Azar, Dani Strickland, Neil Filkin, Harry Townshend   +3 more
doaj   +1 more source

Development of a renewable hybrid power plant with extended utilization of pumped storage unit equipment [PDF]

, 2019
The scheme of a renewable hybrid power plant with the extended use of the installed equipment of the pumped storage unit for the conversion of the photovoltaic and wind generators direct current to the alternating one is proposed.
Chervonenko, I., El Masri, S. A. H., Makhotilo, K.   +2 more
core  

Fractional Skyrmion Tubes in Chiral‐Interfaced 3D Magnetic Nanowires

Advanced Functional Materials, EarlyView.
In chiral 3D helical magnetic nanowires, the coupling between the geometric and magnetic chirality provides a way to create topological spin states like vortex tubes. Here, it is demonstrated how the breaking of this coupling in interfaced 3D nanowires of opposite chirality leads to even more complex topological spin states, such as fractional ...
John Fullerton, Naëmi Leo, Jakub Jurczyk, Claire Donnelly, Dédalo Sanz‐Hernández, Luka Skoric, Nicholas Mille, Stefan Stanescu, Donald A MacLaren, Rachid Belkhou, Aurelio Hierro‐Rodriguez, Amalio Fernández‐Pacheco   +11 more
wiley   +1 more source

Flexibility Assessment of Ternary Pumped Storage in Day-Ahead Optimization Scheduling of Power Systems

Applied Sciences
To explore the advantages in the flexibility of ternary pumped storage units (T-PSUs) compared with fixed-speed pumped storage units (FS-PSUs) and variable-speed pumped storage units (VS-PSUs) in the day-ahead optimal scheduling of power systems, this ...
Zhiyu Wu, Junzhou Wang, Sui Peng, Yining Zhang, Wenxuan Pan, Junjie Tang   +5 more
doaj   +1 more source