E3S Web Conf.
Volume 252, 20212021 International Conference on Power Grid System and Green Energy (PGSGE 2021)
|Number of page(s)||5|
|Section||Research and Development of Electrical Equipment and Energy Nuclear Power Devices|
|Published online||23 April 2021|
Finite Element Analysis and Experimental Study of Metal Shell of GIL
1 State Grid Pinggao Group, Henan Pingzhi High-voltage Switchgear Co., Ltd, Pingdingshan, Henan, 467001, China
2 State Grid Pinggao Group, Henan Pingao electric Co., Ltd, Pingdingshan, Henan, 467001, China
Mathematical modeling, finite element numerical simulation and experimental measurement of the stress-deformation distribution of the gas-insulated metal-enclosed transmission line shell were carried out. Also, Stress linearization analysis was used to analyze the maximum stress. The results show that the stress is linearly dependent on water pressure and the shell occurs elastic deformation without plastic deformation. The simulated maximum stress of 76.2MPa is fairly in good agreement with the measured one (69.9MPa). The stress linearization analysis results show that the shell well satisfies the environmental safety requirements. The experimental results are consistent with the finite element results.
© The Authors, published by EDP Sciences, 2021
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