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

Zhenhua Li | Zendy; Yawei Du | Zendy; A. Abu-Siada | Zendy; Gang Bao | Zendy; Jie Yu | Zendy; Tinghe Hu | Zendy; Tao Zhang | Zendy

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

Author(s) -

Zhenhua Li,

Yawei Du,

A. Abu-Siada,

Gang Bao,

Jie Yu,

Tinghe Hu,

Tao Zhang

Publication year - 2018

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2018.2881263

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

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 LabVIEW. 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.

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