An Online Calibration System for Digital Input Electricity Meters Based on Improved Nuttall Window

被引：6
|
作者：
Li, Zhenhua [1 ,2 ]
Du, Yawei [1 ]
Abu-Siada, A. [3 ]
Bao, Gang [1 ]
Yu, Jie [1 ]
Hu, Tinghe [1 ]
Zhang, Tao [1 ]
机构：
[1] China Three Gorges Univ, Coll Elect Engn & New Energy, Yichang 443002, Peoples R China
[2] China Three Gorges Univ, Hubei Prov Engn Technol Res Ctr Microgrid, Yichang 443002, Peoples R China
[3] Curtin Univ, Dept Elect & Comp Engn, Perth, WA 6000, Australia
来源：
IEEE ACCESS | 2018年 / 6卷
基金：
中国国家自然科学基金;
关键词：
Digital input electricity meters; online calibration system; harmonic measurement; four-item; three-orders Nuttall window; HARMONIC-ANALYSIS; ENERGY; CONVOLUTION; FFT; INTERHARMONICS; ALGORITHM; NETWORKS;
D O I：
10.1109/ACCESS.2018.2881263
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper proposes an improved online calibration technique for digital input electricity meters. The technique employs a double-spectral-line interpolation fast Fourier transform algorithm with four-item, three-order Nuttall window to reduce the measurement error caused by spectrum leakage, frequency fluctuation, noise pollution, and harmonic interference. A calibration system of friendly human-computer interaction is designed using Lab VIEW. Simulation and practical results show that the proposed calibration system with improved Nuttall window algorithm is of high accuracy and reliability when compared with the traditional calibration algorithm currently used by industry practice.
引用
收藏
页码：71262 / 71270
页数：9
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