It is the basis of power system harmonic analysis to model power system components at harmonic frequencies.

建立适当的电力系统元件谐波模型是电力系统谐波分析的基础。

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There have already been many harmonic analysis system solutions for power network, but most of them are based on a single microprocessor.

目前已经存在很多的电网谐波分析系统方案，但其中多数是以单个微处理器为核心的。

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Fast Fourier transform (FFT) is the main algorithm for harmonic analysis in electric power system, but when there is the decaying DC component in input signal, FFT algorithm will have higher error.

快速傅里叶变换(FFT)是电力系统进行谐波分析的主要算法，但当输入信号中含有衰减直流分量时，FFT算法会产生较大的误差。

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