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山东大学学报 (工学版) ›› 2023, Vol. 53 ›› Issue (1): 83-91.doi: 10.6040/j.issn.1672-3961.0.2021.495

• • 上一篇    

隔离开关与支架体系风振实测与响应分析

刘勇1,魏珍中1,蒋昱楠1,毕文哲2,周梦瑶2,杨萌2,田利2*   

  1. 1.山东电力工程咨询院有限公司, 山东 济南 250013;2. 山东大学土建与水利学院, 山东 济南 250061
  • 发布日期:2023-02-13
  • 作者简介:刘勇(1982— ),男,山东潍坊人,高级工程师,硕士,主要研究方向为变电站结构设计与分析. E-mail: liuyong@sdepci.com. *通信作者简介:田利(1982— ),男,山东枣庄人,教授,博导,主要研究方向为结构防灾减灾研究. E-mail:tianli@sdu.edu.cn
  • 基金资助:
    山东大学青年学者未来计划(2017WLJH33)

Wind vibration measurement and response analysis of isolation switch and support system

LIU Yong1, WEI Zhenzhong1, JIANG Yu'nan1, BI Wenzhe2, ZHOU Mengyao2, YANG Meng2, TIAN Li2*   

  1. 1.Shandong Electric Power Engineering Consulting Institute Co., Ltd., Jinan 250013, Shandong, China;
    2. School of Civil Engineering, Shandong University, Jinan 250061, Shandong, China
  • Published:2023-02-13

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摘要： 基于现场实测和数值模拟,开展隔离开关与支架体系的动力风振实测与响应分析。基于计算流体动力学(computational fluid dynamics, CFD)模拟,研究隔离开关与支架体系的体型系数,并与规范计算结果进行对比分析;基于隔离开关与支架体系风振响应分析,开展风振系数数值模拟值与规范建议值的对比研究。研究结果表明:基于规范计算的格构式支架体型系数明显偏大,规范计算的体型系数相对保守;动侧结构的平均振动水平高于静侧结构,触头端部和结构顶部的位移响应明显高于支架顶部;设备支架在不同风攻角下的风振系数存在明显差异,其中60°风攻角下最大,对于斜风向角工况下规范给出的建议风振系数偏小。本研究结果可以为隔离开关与支架体系抗风设计提供科学依据。

关键词: 隔离开关与支架体系, 风振实测, CFD, 体型系数, 风振响应分析

中图分类号: 

  • TU352.1
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