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根据对火力发电厂大型辅机基础的动力特性测试与理论计算结果,分析了构架式(高、变转速设备基础)、弹簧减振式、大块式、放置在楼盖上的设备等不同形式基础的动力特性,并提出了有关动力基础设计和计算方法的一些新建议.还介绍了以通用微机为核心的SVMA模态分析系统.应用此系统对大量实测数据进行分析处理,得到了满意的结果.
According to the dynamic characteristics test and theoretical calculation results of the large auxiliary machine foundation of thermal power plants, the different types of frame type (high and variable speed equipment basics), spring vibration damping type, large block type, and equipment placed on the floor cover are analyzed. The basic dynamic characteristics, and put forward some new suggestions about the power foundation design and calculation methods. Also introduced the general microcomputer as the core of the SVMA modal analysis system. Apply this system to a large number of measured data analysis and processing, has been satisfactory result.