aperiodic component

With regard to the accuracy affection during fundamental component calculation caused by aperiodic component, frequency deviation and fractional harmonic in signal, the paper analyzes and compares three filter algorithms of Fourier algorithm, differential filter algorithm and shunt compensation algorithm.

针对信号中非周期分量，频率偏移，分数次谐波对基波分量计算精度的影响，对傅里叶、差分滤波和并联补偿3种滤波算法进行了分析比较。

Aperiodic component of short-circuit current

短路电流非周期性分量

A method for eliminating aperiodic component with optimization

结合优化设计滤除非周期分量的新方法

Time constant of the aperiodic component

非周期分量的时间常数

Several Fourier Algorithm for Elimination of Decaying Aperiodic Component

几种滤除衰减非周期分量影响的傅里叶算法

Study on protective algorithm for elimination of decaying aperiodic component

滤除衰减非周期分量的微机保护算法研究

A lot of simulations ( are carried out) prove that the new algorithms have strong filtering capability for exponential decaying aperiodic component.

通过了大量的仿真计算证明不但切实可行，而且能够有效地滤除衰减非周期分量的影响。