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文章摘要
基于可变采样周期滤波算法的电网电压序分量快速提取方法
Variable samplings filter based fast sequence component detection method for grid voltages
Received:June 19, 2020
Revised:December 02, 2021
DOI：
10.19753/j.issn1001-1390.2023.10.007
中文关键词
:
不平衡电压 可变采样周期滤波(VSF) 序分量 抗噪性能
英文关键词
:
基金项目
:
国家重点研发计划资助项目资助(2017YFB0903100)
Author Name
Affiliation
E-mail
haojie
State Grid Shanxi Electric Power Corporation Electric Power Research Institute
391746650@qq.com
liuxinyuan
State Grid Shanxi Electric Power Corporation Electric Power Research Institute
liuxinyuan1208@163.com
hecaihong
State Grid Shuozhou Power Supply Company
,
Shuozhou
391746651@qq.com
quying
State Grid Shanxi Electric Power Corporation Electric Power Research Institute
3@126.com
limingxian
*
School of Electrical and Power Engineering
,
China University of Mining and Technology
1425385799@qq.com
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中文摘要
:
快速准确地提取三相电压的序分量是提高电力电子并网系统控制能力的基本条件。针对三相不平衡电网条件下快速获取电压序分量存在的问题，文章利用可变采样周期滤波(variable samplings filter, VSF)算法对dq坐标系下的电压分量延时两个采样周期来快速分离电压正序与负序分量。通过分析该算法的噪声放大规律，进一步利用VSF算法的调节性能来限制输出信号中的噪声水平。最后，通过MATLAB仿真和DSP实验验证了所提算法的优越性。
英文摘要
:
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