李志军,张川博,张珈玮,张仔坤,奚文霞,王娟

• 1:河北工业大学控制科学与工程学院

摘要(Abstract)：

传统窗函数在谐波分析中存在误差和计算量较大等问题,不能满足谐波在线监测快速、准确的测量需求。为减小频谱泄漏和栅栏效应的影响,同时保证系统的快速性,采用基于改进余弦窗的双谱线插值FFT算法进行谐波分析。利用Compact RIO的高速数据处理能力和Lab VIEW图形化的开发环境将改进型余弦窗应用于谐波分析中,以并网光伏发电系统为监测对象,通过仿真实验验证,改进型余弦窗在谐波分析中具有精度高、实时性好的特点。

关键词(KeyWords)： 光伏系统;改进型余弦窗;双谱线插值;谐波分析;FFT;LabVIEW

Abstract:

Keywords:

基金项目(Foundation): 河北省科技支撑计划项目:智能电网中的若干关键技术研究(15212105D)~~

作者(Author): 李志军,张川博,张珈玮,张仔坤,奚文霞,王娟

DOI: 10.16652/j.issn.1004-373x.2018.15.025

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