双凸极式变绕组双模起动发电机及其电磁特性

为了拓宽开关磁阻起动发电系统调压范围,简化控制系统,提出一种双凸极式变绕组双模起动发电机;即通过绕组的变换,实现起动状态与发电状态变原理运行,在保证电机具有开关磁阻电机优良起动性能的同时,简化了发电状态的调压控制系统。基于该电机的特殊结构和控制特点,搭建带整流管的不对称功率变换模块和绕组切换模块;运用等效磁路法研究定子极弧系数对励磁绕组自感的影响规律,确定了最优定子极弧系数;应用场路联合仿真对电机起动过程和发电过程进行数值分析。通过实验验证所提出电机及控制方法的可行性和合理性。

The electromagnetic properties of dual-mode starter generator with doubly salient and variable winding

In order to broaden the voltage regulation range of the switched reluctance machine and simplify the control system, a electromagnetic properties of dual-mode starter generator with doubly salient and variable winding is proposed in this paper. The machine uses a winding switching device to realize variable operating principle. A suitable power converter and winding switching device are proposed. Based on the Equivalent magnetic circuit method, the relationship between performance parameters and the stator pole arc coefficients is analyzed. By using the joint simulation, the electromagnetic performances are analyzed. The experimental results verify that the machine structure and control method presented in this paper are correct.