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Method of building transformer acoustic diagnosis database based on multi physical field coupling modeling [PDF]
E3S Web of Conferences, 2021 In this paper, a method of building dynamic acoustic diagnosis database of dry-type transformer is proposed. The method is mainly combined with collecting the basic noise of transformer and simulating the acoustic signals of transformer under different ...
Wu Weidong +5 more
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Reinforcing Concrete Slabs Using Cellulose Fiber
Guan'gai paishui xuebao, 2023 【Objective】 Cellulose fiber is a material increasingly used to reinforce concrete and this paper investigates its improvement of concrete slabs against cracking. 【Method】 Concrete slabs made by cement mixed with fly ash, cement mixed with fly ash and MgO,
CHEN Xiaopan +6 more
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Numerical Analysis on the Hydraulic Thrust and Dynamic Response Characteristics of a Turbine Pump
Energies, 2022 Pumps as turbines are widely used in the world, wherein the hydraulic thrust of a turbine pump is one of the key factors affecting the safe and stable operation of a unit.
Linghua Kong +10 more
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Effect of Operating Head on Dynamic Behavior of a Pump–Turbine Runner in Turbine Mode
Energies, 2022 Pumped storage units improve the stability of the power grid, and the key component is the pump–turbine. A pump–turbine usually needs to start and shutdown frequently, and the operating head varies greatly due to changes in the water level of the ...
Xiangyang Li +8 more
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Frontiers in Energy Research, 2022 Hydroelectric energy storage, that is, pumped storage hydropower (PSH) is considered as the essential solution for grid reliability with high penetration of renewable power, due to its advantages of cost-effectiveness for grid energy storage as well as ...
Sheng Lu +4 more
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Zhejiang dianli, 2023 Pumped storage power plants are one of the significant means for regulating power systems， holding crucial importance for their secure， economical， and stable operation.
LUO Yin +5 more
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Treatment and benefit analysis of wastewater from construction of hydropower project [PDF]
E3S Web of Conferences, 2019 In order to treat oil and other pollutants in downstream surface water causing by the construction process of a hydropower project, many methods were used.
Ling Haitao +5 more
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Journal of Marine Science and Engineering, 2023 Pumped storage power stations can ensure the safe operation of the grid, as well as utilize clean energy sources to establish a low-carbon, safe, and efficient energy system.
Linmin Shang +7 more
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In-situ rock tests for fault gouge zone：A case in Fengman hydropower station, China [PDF]
E3S Web of Conferences, 2021 The existence of faults in the dam site area threatens the stability and safety of large-scale hydropower projects in China. The fault argillaceous zone is the worst kind of fault fracture zone, and the determination of its deformation and strength ...
Xu Xinchuan +7 more
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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
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