高压电器2025，Vol.61Issue(4)：159-167,176,10.DOI:10.13296/j.1001-1609.hva.2025.04.018
特高压直流穿墙套管的减震控制及易损性分析
Seismic-reduction Control and Vulnerability Analysis of Ultra-high Voltage DC Wall Bushing
摘要
Abstract
The ultra-high voltage(UHV)direct current(DC)wall bushing is a horizontally-installed cantilever com-ponent for connecting the valve hall and the DC field in UHV converter stations and its seismic performance is essen-tial to the safe operation of the converter station.The dynamic characteristics and seismic response of the structure of the wall bushing before and after seismic under the consideration of the valve hall is studied by setting up the numeri-cal simulation model of the wall bushing-valve hall system and by selecting the friction ring spring dampers(FRSDs)as energy dissipation device.The multiple stripes analysis(MSA)method is adopted to obtain the vulnerability curves based on strength criteria before and after the seismic action.The results show that the axial and horizontal dis-placements of the wall bushing are mainly affected by the valve hall structure.The seismic response is reduced signif-icantly after adopting FRSDs for seismic reduction.The damage probability of the inner and outer bushing of the wall bushing before and after seismic reduction is reduced significantly.The valve hall mainly affects the horizontal dis-placement response of the wall bushing under the seismic action and the vulnerability of the structure under the seis-mic action is higher.The FRSDs scheme effectively reduces the stress and vertical displacement response and signifi-cantly improves its seismic vulnerability.关键词
特高压直流/穿墙套管—阀厅体系/抗震分析/减隔震技术/易损性分析Key words
UHVDC/wall bushing-valve hall system/seismic analysis/seismic-reduction technology/seismic vulnerability引用本文复制引用
高子寒,肖立群,刘任鹏,谢强..特高压直流穿墙套管的减震控制及易损性分析[J].高压电器,2025,61(4):159-167,176,10.基金项目
国家自然科学基金资助项目(51878508). Project Supported by National Natural Science Foundation of China(51878508). （51878508）
