一种改进的FFT方法在谐波测量中的应用

An Approach of Analyzing Power Harmonics Based on Improved FFT Algorithm

基于FFT的基本原理和准同步算法的基本性质,本文介绍了一种新颖的算法,用于电网信号的谐波分析。算法在不需要采样严格同步条件下,实现高精度测量。仿真结果表明,与普通FFT相比该方法具有较高的准确度和可靠性。

<Abstrcat>A new method about power harmonics analyzing is brought forward based on improved FFT algorithm which can gain high accurate result and doesn't need strict synchronous sampling. Emulation results indicate that the proposed algorithm is more accurate and reliable for harmonics analyzing.