目前国内有较多百万等级机组投产,由于受生产厂家、国别、型号等的影响,它们基础型式存在较大差异.通过3个有代表性的百万等级汽机基础的现场实测研究,得到它们的固有频率与振幅值,结果表明各基础尽管外型相差悬殊,但都能保证各自机组的平稳运行,满足相关规范要求. At present, there are more millions of units in operation in China, and their basic types are quite different due to the impact of manufacturers, countries, models, etc. By means of field measurements of three representative million-level turbine bases, Their natural frequency and amplitude value, the results show that although the basic difference in appearance, but can ensure the smooth operation of the respective units to meet the relevant specifications.