Abstract
For a large turbine generator set, considering higher order and higher dimension of nonlinear differential equations governing the motion of its rotor-bearing system, the mechanized mathematics can be used as a means of modeling and analyzing rotor-bearing system after reducing order of differential equations by component mode method, in order to obtain the analyzed solutions of the turbine set. Lower dimension algebraic equations included nonlinear oil force expressions are obtained, because the nonlinear parts of oil force expressions can be remained after eliminating the linear coupling variable of node displacements of rotor-bearing system of the turbine set. Differential control method (DCM) that was different to both analyzed method and typical numerical method is presented. According to proposed method the model of complex turbine set is described and node displacement response of set is analyzed and predicted.
| Original language | English |
|---|---|
| Pages (from-to) | 83-87 |
| Number of pages | 5 |
| Journal | Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering |
| Volume | 26 |
| Issue number | 23 |
| State | Published - 1 Dec 2006 |
Keywords
- Differential control method
- Mechanized mathematics
- Modeling
- Nonlinear oil force
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