论文部分内容阅读
本文确定了水轮发电机定子系统的双壳模型．将梁函数组合法应用到求解双壳系统的固有特性，得到了双壳系统有电磁刚度项时的固有频率和振型．计算了额定对称运行状态下定子系统有电磁刚度项时的固有频率，给出了电磁刚度项对定子系统固有频率的影响．
This paper identifies the double-shell model of a hydro-generator stator system. The beam function combination method is applied to solve the inherent properties of the double-shell system, and the natural frequencies and modes of the double-shell system with the electromagnetic stiffness term are obtained. The natural frequency of the stator system under the symmetrical running condition is calculated, and the influence of the electromagnetic stiffness term on the natural frequency of the stator system is given.