...电力谐波检测 ; 硬件 ; 现场可编程门阵列 ;ARM 微处理器 ; 快速傅立叶变换 中图分类号 : TM714 文献标识码 :A [gap=848]Key words :power harmonic detection ;hardware ; FP GA ; ARM ; FF T ...
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另外，快速傅立叶变换仅适用于分析平稳渐变的信号，不能适应负荷动态变化的电力谐波检测。
In addition, FFT is applicable to analyze gradually-changed signals instead of detecting harmonics when the load breaks.
研究了基于FFT理论的电力谐波检测原理，提出一种基于相位差校正法的高精度电力谐波检测方法。
After studying on the measurement principle of power system harmonic based on FFT theory, this paper presents a high-accuracy method based on phase difference correcting to measure the harmonic.
提出了一种新型的有源电力滤波器电流检测和控制方法，在补偿谐波电流的同时还可以进行无功补偿。
A method of current detect and control for the new active power filter (APF) is presented, which has the ability of canceling harmonic and compensating reactive power at the same time.
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