Open AccessSeismic Finite Element Analysis of Lightning Arrester Combination by Casing and Pillar Insulator
Author(s) -
Xiaojun Zhang,
Zhenlin Liu
Publication year - 2022
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/2148/1/012044
Subject(s) - casing , lightning arrester , structural engineering , finite element method , modal analysis , displacement (psychology) , pillar , insulator (electricity) , stress (linguistics) , engineering , electrical engineering , geology , mechanical engineering , psychology , linguistics , philosophy , psychotherapist
The seismic performance of electrical equipment in substations has a great impact on the normal operation of the whole substation. The results of the modal analysis show that the fundamental frequency of the three devices is in the range of 0.9Hz∼1.1Hz. The maximum stress of the casing for the three devices is respectively 55.43MPa, 45.39MPa, 35.26MPa, when the peak acceleration 0.4g seismic action is verified. The maximum stress of insulator is respectively 47.01MPa, 62.72MPa and 30.85MPa, and the maximum relative displacement of the top for the equipment is 617.2mm.