临时加固下换流阀塔海上运输结构强度分析  

Strength analysis of the offshore transportation structure of the converter valve tower under temporary reinforcement

作　　者：于海波[1] 高彪[1] 张晓波 张伟为 王检耀 YU Haibo;GAO Biao;ZHANG Xiaobo;ZHANG Weiwei;WANG Jianyao(NARI-RELAYS Electric Co.,Ltd.,Nanjing 211102,Jiangsu,China;State Key Laboratory of Ocean Engineering,Shanghai Jiao Tong University,Shanghai 200240,China)

机构地区：[1]南京南瑞继保电气有限公司,江苏南京211102 [2]上海交通大学海洋工程国家重点实验室,上海200240

出　　处：《中国工程机械学报》2024年第2期231-235,共5页Chinese Journal of Construction Machinery

摘　　要：海上换流站的运输与安装通常是模块化、整体化的运输与安装,考虑到在运输过程中经常会受到风浪、潮流甚至地震等外部环境因素对阀塔等精密电气设备产生的影响,提出一种换流阀塔在海上运输时的临时加固措施。采用有限元仿真软件,对运输船及其阀厅进行有限元建模,将海洋环境作用力等效为地震效应,在两种极端水平载荷工况下,采用底部剪力法对阀塔自身结构强度进行拟静力分析。仿真结果表明:横向载荷作用下阀塔内部结构件所受应力均大于纵向载荷时所受应力,最大应力发生在横向载荷下铝合金框架为84 MPa,小于材料屈服应力。研究结果可为海上运输换流阀塔提供方案借鉴。The transportation and installation of the offshore converter station is usually modular and integrated.During the transportation,the external environment such as wind,tide and even earthquake will affect the precision of electrical equipment such as the valve tower.The article proposes a temporary reinforcement measure for the converter valve tower during maritime transportation,and conducts finite element modeling of the transport ship and its valve hall,and equates the marine environmental forces with seismic effects.Under two extreme horizontal load conditions,the bottom shear method is used to conduct a pseudo static analysis of the structural strength of the valve tower itself.The simulation results show that the stress on the internal structural components of the valve tower under transverse load is greater than that under longitudinal load.The maximum stress occurs in the aluminum alloy frame under transverse load,which is 84 MPa,which is less than the material yield stress.This provides a solution for subsequent maritime transportation of the converter valve tower.

关 键 词：阀塔 海上运输 底部剪力法 强度分析 

分 类 号：TM561[电气工程—电器]