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采用加窗插值FFT与逐幅谐波消去法的无刷励磁机正常运行谐波分析
Harmonic analysis of normal case in the brushless exciter based on windows and interpolated FFT and harmonic expurgation according to amplitude
【摘要】 采用加窗插值FFT和逐幅谐波消去法分析了11相无刷励磁机正常稳态运行的谐波问题,给出了负载电压、相绕组电压电流的直流分量、基波和25次以下的谐波计算的精确结果,为该电机的设计、应用、状态检测和保护提供谐波分析方面的依据.
【Abstract】 Analyzes the harmonics of the normal case of a 11-phase brushless exciter based on windows and interpolated FFT and harmonic expurgation according to amplitude.The DC component and AC components till 25th harmonic for the lode-voltage,phase-voltage and phase-current are studied,in order to give the harmonic gist of the design,use,measure and protection of the brushless exciter.
【关键词】 谐波分析;
无刷励磁机;
检测;
窗函数;
插值;
【Key words】 harmonic analysis; brushless exciter; measure; window function; interpolation;
【Key words】 harmonic analysis; brushless exciter; measure; window function; interpolation;
【基金】 福建省自然科学基金资助项目(E0510021);国务院侨办科研基金资助项目(03QZR0704QZR04)
- 【文献出处】 福州大学学报(自然科学版) ,Journal of Fuzhou University(Natural Science Edition) , 编辑部邮箱 ,2007年03期
- 【分类号】TM301.3
- 【被引频次】1
- 【下载频次】110