摘要
本文给出了直角坐标系下大型水轮发电机热传导方程及其相应的等价变分方程 ,采用三维等参元法计算了考虑股线绝缘影响时的定子温度场。在此基础上 ,利用计算机仿真技术分析研究了大型水轮发电机长期运行时定子上下层线棒内某股线绝缘热老化后对定子温度场的影响 。
In this paper,the thermal conduction equation and functional equation of a large hydrogenerator under the cartesian coordinate system are presented.The 3D isoparameteric element method is applied to computer the stator temperature fields with interturn insulations considered.And the stator temperature field is analyzed by numerical simulation method and some useful conclusions are drawn when the hydrogenerator running long time and the influences of one of up and down layer interturn insulations aging is considered.
出处
《大电机技术》
北大核心
2002年第1期8-12,共5页
Large Electric Machine and Hydraulic Turbine
基金
黑龙江省自然科学基金资助项目 (E0 014)
