谐波励磁同步发电机负载谐波磁场分析

Analysis of Load Harmonic Field of Harmonic Excited Synchronous Generator

用有限元的计算方法对谐波励磁同步发电机进行电磁场计算及负载谐波磁场分析,得出样机的矢量磁位AZ、磁力线分布图和磁密分布图。根据处理计算结果,得到谐波励磁同步发电机的旋转磁场波形、谐波绕组电压波形和谐波绕组负载特性曲线。通过谐波励磁同步发电机上的实验结果与计算结果的比较说明了方法的正确性,为谐波励磁同步发电机的设计提供了理论依据。

Using compute technology of finite e lement to calculate electrical field and analyze harmonic wave of excita tion synchronous generator.At the same t ime,the sample machine' s vector AZ,distribution diagram of the magnetic line of force and the sample machine' s distribution diagram of the flux density are given.By dealing with the c alculation result of the electromagnetic field,we obtain the waveform of the revolving magnetic field,the wave of the voltage of the harmonic winding and the no -load characteristics cur ve of the harmonic winding.The valid ation of this method are verified by t he comparison of the calculation results and the ex periment results on a third harmonic excitation synchronous generator.So itcanprovide the mathematical base for the design of t he harmonic excited synchronous gen erator.