风载作用下输电铁塔的动力响应  

Dynamic Response of Power Transmission Towers by the Action of Wind Load

作　　者：何平[1] 周华敏[2] 李鹏云[3] 

机构地区：[1]广东电网公司阳江供电局 [2]广东电网公司,广东广州5100602 [3]广东电网公司电力科学研究院,广东广州510080

出　　处：《广东电力》2011年第6期38-41,共4页Guangdong Electric Power

基　　金：广东电网公司科技项目(JA6009008)

摘　　要：介绍1种评估风载作用下耦合输电线路铁塔动态特性的方法。为此,建立了输电塔线体系在风载作用下动力响应的评估标准,并利用有限元模拟进行分析,结果表明,该能量评估标准能有效地检测结构动态特性。模拟结果表明,能量标准对大规模输电铁塔在强风载作用下的性能评估是非常有效的。A method for estimation of dynamic characteristics of coupled transmission towers by the action of wind load is recommended.Therefore,estimation standard for dynamic response of power transmission towers by the action of wind load is established and analyzed by finite element models.The result shows that the energy estimation standard can examine dynamic characteristics of the structure effectively and the simulation result shows that the energy standard is effective in performance evaluation of large-scale transmission tower by the action of wind load.

关 键 词：输电塔线体系 动力响应 风载作用 能量响应标准 有限元模型 

分 类 号：TM75[电气工程—电力系统及自动化]