摘要
将电机的多回路理论与有限元方法相结合建立了交直流混合供电同步发电机的数学模型 ,讨论了阻尼绕组和励磁绕组端部漏感的计算方法。采用关联变换建立绕组、整流桥与负载间的联接 ,考虑了由于凸极效应、磁路的饱和、绕组的布置以及定转子齿槽的影响产生的空间谐波磁场的作用。对发电机的交流侧和直流侧突然短路过程进行了仿真 。
This paper describes a mathematical model on the basis of multi\|loop method and FEM for synchronous generators with AC and DC stator connections. In addition, the calculating method of ending leakage inductances of damper winding and field winding is proposed. Connection transformation matrix is used to represent the topology relationship between the windings and loads so that it is easy to simulate the transient process. With this method, the full synergic effects of space harmonic fields resulting from the magnetic circuit geometry, saliency, saturation, winding layouts, and slotting are included. The model is verified by comparing the calculating results with those of experiments.
出处
《电工电能新技术》
CSCD
2001年第2期16-19,37,共5页
Advanced Technology of Electrical Engineering and Energy
基金
国家自然科学基金资助项目 !(597770 0 7)
国家教委博士学科重点科研基金资助项目 !(970 0 0 36 7)
关键词
同步发电机
暂态性能
数学模型
电磁场
交直流混合供电
multi\|loop theory
finite element method
synchronous generators with AC and DC stator connections
transient process
