NDLI: Analysis of dynamic performance in a pump-turbine during the successive load rejection

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Analysis of dynamic performance in a pump-turbine during the successive load rejection

Content Provider	Scilit
Author	Bi, Huili Chen, Funan Wang, Chao Wang, Zhengwei Fan, Honggang Luo, Yongyao
Copyright Year	2021
Description	Journal: Iop Conference Series: Earth and Environmental Science Successive load rejection is one of the most crucial transient processes for calculating the maximum pressure in spiral case and maximum rotating speed of runner. One-dimensional mathematical models were established for a pump-storage power station and characteristics method was used to study the successive load rejection. The condition in which the maximum pressure occurs was chosen for three-dimensional unsteady calculation. The boundary conditions at spiral-casing inlet and draft tube outlet were determined by using the one-dimensional result. Based on numerical simulation, the axial hydraulic thrust and transient flow characteristic during the successive load rejection process were analysed. The axial hydraulic thrust during the successive load rejection process was mainly caused by the complex flow in the runner. The complex flow was affected both by hydraulic disturbance and the successive load rejection process.
Related Links	https://iopscience.iop.org/article/10.1088/1755-1315/774/1/012152/pdf
ISSN	17551307
e-ISSN	17551315
DOI	10.1088/1755-1315/774/1/012152
Journal	Iop Conference Series: Earth and Environmental Science
Issue Number	1
Volume Number	774
Language	English
Publisher	IOP Publishing
Publisher Date	2021-06-01
Access Restriction	Open
Subject Keyword	Journal: Iop Conference Series: Earth and Environmental Science Numerical Simulation Rejection Process Successive Load Rejection
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Physics and Astronomy Environmental Science

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