Harmonic analysis and elimination system based on hybrid active power filter is proposed in this article to solve the serious problem oi harmonic pollution in power grid.
针对越来越严重的电网谐波污染问题，提出了基于混合有源滤波器的解决方案——电网谐波分析与治理一体化系统。
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。
An improved Hilbert vibration decomposition (HVD) method was introduced to the non-integer harmonic analysis in electrical power system.
针对现有电力系统非整数次谐波分析法的不足，提出了一种改进的希尔伯特振动分解(HVD)方法。
Harmonic analysis can be used to quantify the distortion in voltage and current waveforms in a power system and to determine the existence and mitigation of resonant conditions.
通过谐波分析计算可以确定系统中各部分电压和电流波形的畸变程度、判断系统是否处于谐波谐振状态以及如何采取措施减小系统谐振发生的可能性。
Recently, harmonic analysis is an important area in the electric power system.
目前，电力谐波分析已经成为电力系统领域的一个重要研究方向。
Computation of harmonic power flow is a fundamental task for harmonic analysis and plays an important part in power system.
谐波潮流计算是谐波分析和管理的一项重要基础工作，在电力系统中占有重要的地位。
Harmonic analysis is very important to determine the harmonic level in the power system. It has become an important aspect of power system analysis and design.
谐波分析已经成为电力系统分析的一个十分重要的方面，用以研究电力系统规划和运行中与谐波有关的各种问题。
The harmonic pollution control is inevitable. In order to detect accurate harmonic content of the power system, the most important problem to solve is harmonic detection and analysis.
谐波治理势在必行，而首要解决的问题就是谐波检测和分析，确切掌握电网中谐波的实际情况。
The harmonic pollution control is inevitable. In order to detect accurate harmonic content of the power system, the most important problem to solve is harmonic detection and analysis.
谐波治理势在必行，而首要解决的问题就是谐波检测和分析，确切掌握电网中谐波的实际情况。
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