Pumped storage power stations can quickly switch from a shutdown state to full load operation, usually within a few minutes, to adjust the supply and demand balance of the grid. By regulating the speed of pumping and releasing water, they can accurately control the
ABSTRACT. The theoretical basis of numerical analysis of seepage field is reviewed. Based on the geological and hydrogeological conditions of upper and lower reservoirs of a pumped storage power station, the three-dimensional numerical simulation model of dam was established by using ADINA finite element software.
In order to reveal the stress field distribution characteristics of the pumped storage power station, the in-situ stress test was carried out with hydraulic fracturing method. The results show that
Pumped-storage power stations (PSPSs) have higher requirements for anti-seepage compared with regular power stations. As a result, investigating the seepage distributions of PSPSs is particularly important. However, existing researches remain limited in assessing engineering needs such as ensuring the efficiency of a power station
For pumped storage power stations that frequently switch between energy storage and power generation modes, Li et al. (2019) used the Zhanghewan pumped storage power station as an example to discuss the causes and impacts of local structural vibrations. Force balance type sensor, piezoelectric sensor and pressure fluctuation sensor were placed
In this paper, through a comprehensive analysis of the existing literature, we consider the risk aspects of pumped storage participation in the electricity market and identify key impact factors based on fishbone diagram analysis, and construct a
As a regulating power source and energy storage power source, pumped hydro energy storage (PHES) has strong regulating ability and is characterized as a reliable operation with broad prospects for development. However, the current field-survey-based method of site selection for PHES is time consuming, labour intensive, and costly. Improper site
The Qingyuan Pumped Storage Power Station is located in Liaoning, China and has large-scale water conveyance and underground powerhouse systems. In order to analyze the evolution of the flow rate, external water pressure, and hydraulic gradient of water conveyance and powerhouse systems or around them, a 3D equivalent continuum seepage finite element
Based on the collaborative analysis method of production and ecological safety of storage disk, this paper takes Ninghai pumped storage power station as an example to
Pumped storage power station (PSPS), one of the most critical regulation devices in the power grid, possesses the ability of energy storage with large-scale and mature technology. 1, 2 With the rapid development of intermittent renewable energy sources, for example, solar, wind, and so on, the PSPS has become more important for the electrical
expounds the influence of the construction and operation of pumped storage power station on the electricity price of power grid com panies. The revenue of pumped storage power station mainly comes from the auxiliary service market. In China, the peak regulation effect of pumped storage power station is significant and the revenue is
Based on the collaborative analysis method of production and ecological safety of storage disk, this paper takes Ninghai pumped storage power station as an example to carry out green...
Based on the diversion power generation system project of the Hami pumped storage Hydropower Station, the drainage substructure method is used to accurately simulate the drainage holes of the plant area, and the three-dimensional finite element model of the plant area including the main faults and reflecting the seepage
Numerical Analysis of Seepage Field in the Upper and Lower Reservoirs of Pumped Storage Power Station Jiahuan He, Yue Zhang State Key Laboratory Base of Eco-Hydraulic Engineering in Arid Area, Xi''an University of Technology, Xi''an Shaanxi Received: Sep. 6th, 2017; accepted: Sep. 22nd, 2017; published: Sep. 30th, 2017 Abstract
Based on the diversion power generation system project of the Hami pumped storage Hydropower Station, the drainage substructure method is used to accurately simulate
In order to reveal the stress field distribution characteristics of the pumped storage power station, the in-situ stress test was carried out with hydraulic fracturing method. The results show that the maximum stress value of the rock mass at the test position is 24.9 MPa, and the corresponding hole depth is 427.8 m; The lateral pressure
Download Citation | On Jan 1, 2017, 佳欢 何 published Numerical Analysis of Seepage Field in the Upper and Lower Reservoirs of Pumped Storage Power Station | Find, read and cite all the
Pumped storage power stations can quickly switch from a shutdown state to full load operation, usually within a few minutes, to adjust the supply and demand balance of the grid. By regulating the speed of pumping and releasing water, they can accurately control the output power, effectively compensating for the volatility of renewable energy
Accelerating the construction of pumped storage power stations is an urgent requirement for building a new type of power system that is primarily based on new energy [10]. It is a critical support
Pumped-storage power stations (PSPSs) have higher requirements for anti-seepage compared with regular power stations. As a result, investigating the seepage
Under the "30·60" dual carbon target, the construction of pumped storage power stations is an important component of promoting clean energy consumption and building a new type of power system. This article aims to depict the spatiotemporal distribution pattern and main influencing factors of China''s pumped storage power
Under the "30·60" dual carbon target, the construction of pumped storage power stations is an important component of promoting clean energy consumption and building a
A 3D equivalent continuum coupling analysis of the slope of the Zhouning pumped storage power station was proposed in this study. Firstly, the hydraulic properties of rock mass, groundwater, and deformation mechanism under high-frequency fluctuations of the water level are analyzed.
As a regulating power source and energy storage power source, pumped hydro energy storage (PHES) has strong regulating ability and is characterized as a reliable
expounds the influence of the construction and operation of pumped storage power station on the electricity price of power grid com panies. The revenue of pumped storage power station
Semantic Scholar extracted view of "Analysis of stress field characteristics of a certain pumped storage power station based on hydraulic fracturing test" by Zhihong Dong et al.
The Huilong pumped-storage power station is located in the Henan Province of China, in which there is an underground power plant with an installed capacity of 120 MW, an upper reservoir with a volume of 1.01 × 106 m3 and an upper dam of 54 m height. The upper reservoir near the local watershed is a small catchment basin with little runoff. The rock
Reasonable planning and construction of pumped storage power stations, to circumvent the uneven spatial distribution of pumped storage power generation (PSPG), can provide effective support for the stable operation of the power system.
The amount of water resources is also a major geographic factor affecting the construction of pumped storage power stations. Pumped storage power stations need to have a basic amount of water to meet the requirements for power generation as well as a reserve amount of water for power generation, which is highly dependent on water resources [ 60 ].
At the same time, the operation of pumped storage power stations requires a large amount of water resources, which may have an impact on local water resources distribution and water cycle. For example, construction wastewater generated during the construction period may impact the quality of surface water.
Currently, there are also certain measures to address environmental issues that arise during the construction of pumped storage power stations. For example, the main construction wastewater can be treated using an efficient sewage purifier with the addition of chemicals.
The construction of pumped storage power stations requires a large amount of land, including the construction of upper and lower reservoirs, which may change the local land use pattern and cause interference with the original ecosystem.
Analysis of the investment composition proportion of two pumped storage power stations in the Central China region. According to Table 6, the total investment required to construct a pumped storage power station is approximately 9 billion yuan. The static total investment of the project accounts for about 82 % of the total investment.
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