Hydraulic transient calculation by wave tracking method for pumped storage power plant with four units in a diversion system

Abstract Hydraulic transient calculations are a key issue related to the operational safety of pumped storage power plants. Based on the new calculation method, wave tracking method, this paper establishes a calculation model for the hydraulic transient of pumped storage power plant, verifies the ac...

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Published inJournal of physics. Conference series Vol. 2752; no. 1; pp. 12165 - 12181
Main Authors Yin, Xinyue, Zeng, Zongyao, Wang, Yuchuan, Chen, Hongyu, Ma, Dong
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.06.2024
Subjects
Hydraulic models
Hydraulic transients
Hydraulics
Load shedding
Power plants
Pumped storage
Tracking
Turbines
Wave velocity
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Abstract Abstract Hydraulic transient calculations are a key issue related to the operational safety of pumped storage power plants. Based on the new calculation method, wave tracking method, this paper establishes a calculation model for the hydraulic transient of pumped storage power plant, verifies the accuracy of the calculation model through hydraulic model experiments, and calculates the transient process of Guangdong Qingyuan pumped storage power plant. The results show that the calculation error is reduced by considering the difference of wave velocity of different branch pipes by wave tracking method. The wave tracking method is convenient to establish a calculation model of pumped storage power plant with four units in a diversion system, which is suitable for the load shedding transient regime of the turbine mode and the pump outage condition, and the accuracy is good. Wave parameters visually show the connection between flow rate, pressure changes within the water transmission system, and surge fluctuations in the regulator well throughout the hydraulic transition.
AbstractList Abstract Hydraulic transient calculations are a key issue related to the operational safety of pumped storage power plants. Based on the new calculation method, wave tracking method, this paper establishes a calculation model for the hydraulic transient of pumped storage power plant, verifies the accuracy of the calculation model through hydraulic model experiments, and calculates the transient process of Guangdong Qingyuan pumped storage power plant. The results show that the calculation error is reduced by considering the difference of wave velocity of different branch pipes by wave tracking method. The wave tracking method is convenient to establish a calculation model of pumped storage power plant with four units in a diversion system, which is suitable for the load shedding transient regime of the turbine mode and the pump outage condition, and the accuracy is good. Wave parameters visually show the connection between flow rate, pressure changes within the water transmission system, and surge fluctuations in the regulator well throughout the hydraulic transition.
Hydraulic transient calculations are a key issue related to the operational safety of pumped storage power plants. Based on the new calculation method, wave tracking method, this paper establishes a calculation model for the hydraulic transient of pumped storage power plant, verifies the accuracy of the calculation model through hydraulic model experiments, and calculates the transient process of Guangdong Qingyuan pumped storage power plant. The results show that the calculation error is reduced by considering the difference of wave velocity of different branch pipes by wave tracking method. The wave tracking method is convenient to establish a calculation model of pumped storage power plant with four units in a diversion system, which is suitable for the load shedding transient regime of the turbine mode and the pump outage condition, and the accuracy is good. Wave parameters visually show the connection between flow rate, pressure changes within the water transmission system, and surge fluctuations in the regulator well throughout the hydraulic transition.
Author Ma, Dong
Zeng, Zongyao
Yin, Xinyue
Wang, Yuchuan
Chen, Hongyu
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  organization: Guodian Power Zhejiang Oujiang Hydropower Development Co., Ltd , Lishui, Zhejiang, 323000, China
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Cites_doi 10.1016/j.apenergy.2019.04.125
10.1061/(ASCE)HY.1943-7900.0001008
10.1088/1755-1315/12/1/012071
10.1088/1757-899X/52/5/052027
10.1115/1.4032069
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Snippet Abstract Hydraulic transient calculations are a key issue related to the operational safety of pumped storage power plants. Based on the new calculation...
Hydraulic transient calculations are a key issue related to the operational safety of pumped storage power plants. Based on the new calculation method, wave...
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StartPage 12165
SubjectTerms Hydraulic models
Hydraulic transients
Hydraulics
Load shedding
Power plants
Pumped storage
Tracking
Turbines
Wave velocity
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Title Hydraulic transient calculation by wave tracking method for pumped storage power plant with four units in a diversion system
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