交流励磁电机的谐波分析

Harmonic Analysis in A.C.Excitation Electric Machine

本文研究了由交交变频器引起的交流励磁电机的谐波问题。在6脉波交交变频器输出电压公式的基础上,建立了交流励磁电机基波和正负序电压方程,并详细分析了其谐波转矩。给出了谐波电流、电压和转矩的定量分析方法,并附以计算实例,

This paper investigates the harmonic problem in A.C.excitation machine system caused by cycloconverter.On the basis of the expression of output voltage of six-pulse cycloconverter,the fundamental positive and negative sequence harmonic voltage equations of A.C.excitation machine are established.Harmonic torques in the system are analyzed in de- tail.A quantitative analysis method of harmonic current,voltage and torque is given,and an example is shown at the end of the paper.