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Construction Diversion System Risk Analysis for Pumped Storage Power Station Considering Extreme Rainfall
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Xin HU1, Lian LIU1, Shan XU2, Jian-wen HUANG1
Water Resources and Power | 2023, 41(8) : 143 - 146
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Water Resources and Power | 2023, 41(8): 143-146
• WATER CONSERVANCY AND HYDROPOWER ENGINEERING •
Construction Diversion System Risk Analysis for Pumped Storage Power Station Considering Extreme Rainfall
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Xin HU1, Lian LIU1, Shan XU2, Jian-wen HUANG1
Affiliations
  • 1.College of Hydraulic Environmental Engineering, China Three Gorges University, Yichang 443002, China
  • 2.Hydropower and Water Conservancy Engineering Institute, Power China Guiyang Engineering Co., Ltd., Guiyang 550081, China
Published: 2023-08-25 doi: 10.20040/j.cnki.1000-7709.2023.20230296
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To study the diversion risk of pumped storage power station construction under extreme rainfall, based on the idea of system risk analysis, the Copula-Monte Carlo method for diversion risk prediction was proposed by considering the correlation between upper and lower reservoir inflow. Joint distribution of the upper reservoir extreme rainfall and the lower reservoir flood volume was constructed to simulate the construction flood process caused by extreme rainfall. According to the characteristics of the upper and lower reservoirs diversion engineering, the risk model of the diversion system in the pumped storage power station was established to simulate the risk rate by considering hydrological and hydraulic uncertainty. Finally, a pumped storage power station under construction in southwest China was taken as an example, the results show Gumbel-Copula joint distribution fits the construction flood well in extreme rainfall cases, the diversion system risk rate is higher and more realistic when considering the correlation. It provides a reference for pumped storage power station construction diversion scheme selection and flood standard design under extreme rainfall.

pumped storage power station  /  analysis of construction diversion risk  /  extreme rainfall  /  Copula function
Xin HU, Lian LIU, Shan XU, Jian-wen HUANG. Construction Diversion System Risk Analysis for Pumped Storage Power Station Considering Extreme Rainfall[J]. Water Resources and Power, 2023 , 41 (8) : 143 -146 . DOI: 10.20040/j.cnki.1000-7709.2023.20230296
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Year 2023 volume 41 Issue 8
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20230296
  • Receive Date：2023-03-02
  • Online Date：2026-01-28
  • Published：2023-08-25
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History
  • Received：2023-03-02
  • Revised：2023-03-27
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Affiliations
    1.College of Hydraulic Environmental Engineering, China Three Gorges University, Yichang 443002, China
    2.Hydropower and Water Conservancy Engineering Institute, Power China Guiyang Engineering Co., Ltd., Guiyang 550081, China
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https://castjournals.cast.org.cn/joweb/sdnykx/EN/10.20040/j.cnki.1000-7709.2023.20230296
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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Genus		 种数
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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