| 对用有限差分法计算两支点水轮发电机组临界转速的初步探讨 |
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| 引用本文： | 李德寿. 对用有限差分法计算两支点水轮发电机组临界转速的初步探讨[J]. 大电机技术, 1992, 0(2): 11-15 |
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| 作者姓名： | 李德寿 |
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| 作者单位： | 重庆电机厂 |
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| 摘 要： | 用有限差分法的一组代数式代替阶梯形转轴挠度曲线的微分方程式，来计算水轮发电机组的临界转速，比传统方法更切合实际，可节省材料，减轻电机的重量。
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| 关 键 词： | 临界转速（critical speed） 有限差分法（finite difference method） 水轮发电机组 |
A Preliminary Discussion on Calculating the Critical Speed of Dual-support Hydrogenerating Set by Finite Difference Method |
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| Li Deshou. A Preliminary Discussion on Calculating the Critical Speed of Dual-support Hydrogenerating Set by Finite Difference Method[J]. Large Electric Machine and Hydraulic Turbine, 1992, 0(2): 11-15 |
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| Authors: | Li Deshou |
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| Affiliation: | Chongqing Electrical Machinery Works |
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| Abstract: | By using a group of algebraic equations of finite difference method as a sub- stitute for deflection curve differential equation of a stepped shaft to calculate the critical speed of hydrogenerating set,it is more practical than traditional method and can also achieve the material saving and reducing the weight of generator. |
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| Keywords: | critical speed finite difference method |
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