Refined 1D–3D Coupling for High-Frequency Forced Vibration Analysis in Hydraulic Systems
Energies, 2022 High-Frequency Pressure Fluctuation (HFPF) is an extensively observed hydraulic phenomenon in pumped-storage power stations and water conveyance projects.
Xijun Zhou +4 more
doaj +1 more source
Effect of Seal Locations of Pump-Turbine on Axial Hydraulic Trust
Journal of Marine Science and Engineering, 2021 Axial hydraulic thrust is an important factor that affects safety and stability of pump turbine operation. Research and analysis of axial hydraulic thrust is of a great significance for guiding the safe and stable operation of a pumped storage power ...
Huifang Sun +4 more
doaj +1 more source
Transcritical Carbon Dioxide Charge-Discharge Energy Storage with Integration of Solar Energy [PDF]
, 2019 New and improved energy storage technologies are required to overcome non-dispatchability, which is the main challenge for the successful integration of large shares of renewable energy within energy supply systems.
Becerra Villanueva, José Antonio +4 more
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Wind Power Fluctuation Suppression by Doubly-fed Variable-speed Pumped Storage Unit
发电技术, 2020 Due to the intermittent and fluctuant of wind power, large-scale wind power grid-connected poses a challenge to the safe and stable operation of the power grid. Therefore, a wind power fluctuation suppression control strategy based on doubly-fed variable-
Chao CHEN +6 more
doaj +1 more source
Experimental Study on Surface Protection of Concrete Panel in Reservoir Basin of Pumped Storage Power Station in Cold Region [PDF]
E3S Web of Conferences, 2019 Affected by various unfavorable factors during construction and operation,concrete panels of pumped storage power stationsin cold regions are prone to cracks, freeze-thaw erosion and other defects, which reduce the impermeabilityand durability of ...
Zhang Yi, Li Meng, Sun Zhiheng, Zhai Jie
doaj +1 more source
Energy Reports, 2022 The stator single-phase grounding fault location of large generator can provide guidance for rapid maintenance of faults. A third harmonic potential distribution based stator ground fault accurate location method is proposed. The current location methods
Wei Li +6 more
doaj +1 more source
Modeling Strategic Electricity Storage: The Case of Pumped Hydro Storage in Germany [PDF]
, 2015 We study the strategic utilization of storage in imperfect electricity markets. We apply a game-theoretic Cournot model to the German power market and analyze different counterfactual and realistic cases of pumped hydro storage.
Kemfert, Claudia, Schill, Wolf-Peter
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Analysis of the impact of construction and operation of pumped-storage power stations on grid companies and the formulation of electricity prices [PDF]
MATEC Web of Conferences, 2021 The pumped storage power station is flexible to start, can realize effective storage of electric energy, and has superior peak and frequency modulation effects, which is beneficial to provide comprehensive benefits of the power system.
Gao Ming +4 more
doaj +1 more source
Structural characteristics analysis of extra–high–head pump–turbine-unit under extreme-pressure working-conditions [PDF]
E3S Web of ConferencesDuring transient processes in extra–high–head pumped–storage power plants, the prototype pump–turbine-units must be able to withstand sudden changes in water pressure within the delivery system.
Huang Xiaoying +5 more
doaj +1 more source
Prospects for pumped-hydro storage in Germany [PDF]
, 2011 After a period of hibernation, the development of pumped-hydro storage plants in Germany regains momentum. Motivated by an ever increasing share of intermittent renewable generation, a variety of energy players considers new projects, which could ...
Steffen, Bjarne
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