摘要
对小型风力发电系统的振动频率采用解析法计算和有限元动态计算,得到塔架和叶片的固有频率的理论计算值、并用动态信号分析仪FOCUSⅡ进行了验证。根据机组的运行激励,分析了塔架和叶片的共振特性,找出它们结构上的薄弱环节,进而对结构进行动力修改方案的探讨。
The vibration frequency for small turbine is calculated by parsed method and finite element method. The inherent frequency value of theory for the tower and blades is obtained, and it is validated by dynamic signal analysis instrument FOCUS Ⅱ . According to the turbine prompting, sympathetic vibration characteristics for the tower and blades is analysed , the parts of weakess are found. Then plans of dynamic characteristics are discussed.
出处
《能源技术》
2005年第5期189-191,共3页
Energy Technology
基金
辽宁省科委资助项目(2003512022-2)
