【摘要】 按照GB50011-2010建筑抗震设计规范的要求,对有抗震设计要求的风场所用的风电机组进行地震载荷计算。根据中国风场的地质条件,用GB2010规范生成设计目标反应谱,再利用三角级数法将之合成为地震动加速度时程,考虑双向水平地震作用并进行时域分析。结合工程实例,借助Bladed软件对项目所用风电机组进行地震载荷计算,对比设计载荷和地震载荷,结果表明,地震时风电机组载荷大幅增大,但没有超过风电机组设计极限载荷,项目所用风电机组安全可靠。更多还原

【Abstract】 According to the requirement of GB50011-2010, the seismic load calculation was carried out for the wind turbines which request for anti-seismic design. Based on the special geological conditions of wind farms in China and the requirements of GB50011-2010, the aim design acceleration response spectrum was generated, and then transformed to seismic acceleration time history using trigonometric series method. The domain analysis was carried on considering the bi-directional seismic action. A project, and the software Bladed was used to simulate the seismic of wind turbines, the design and seismic load of wind turbines were compared finally. The results showed that the seismic load of wind turbines was increased, but didn’ t exceed the limit of design load of wind turbines. therefore, the wind turbine in this project was safe and reliable.更多还原