Construction of run-length waveform sample library in amplitude domain of complex dynamic power signals

YUAN Ruiming; LI Wenwen; WANG Guoxing; LIU Jiangping; WANG Xuewei

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Construction of run-length waveform sample library in amplitude domain of complex dynamic power signals

更新时间：2025-11-15

- Construction of run-length waveform sample library in amplitude domain of complex dynamic power signals
- Vol. 62, Issue 7, (2025)
- 作者机构：
  
  1. 国网冀北电力有限公司计量中心
  2. 北京化工大学信息科学与技术学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2025
- 稿件说明：
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YUAN Ruiming, LI Wenwen, WANG Guoxing, et al. Construction of run-length waveform sample library in amplitude domain of complex dynamic power signals[J]. 2025, 62(7).
DOI：

YUAN Ruiming, LI Wenwen, WANG Guoxing, et al. Construction of run-length waveform sample library in amplitude domain of complex dynamic power signals[J]. 2025, 62(7). DOI：

摘要

针对复杂动态电能信号的快速变化对电能表误差造成的影响，目前公开发表的论文仅提取了少数波形样本进行分析，无法反映多种电流变化的波形模态，也未更深入挖掘电能信号的特征及其表征问题。因此，提取了3类典型复杂动态电能信号的基波幅度波形；提出了游程特征参量及其表征方式；在分析幅度域典型特征的基础上，对电流幅度的多游程特征展开分析，提取出28个典型游程波形，建立了电流特征波形样本库；根据典型游程波形的游程长度，提出了补充国际和国内标准试验点的建议。

Abstract

Aiming at the impact of rapid change of complex dynamic power signal on the error of electricity meter

currently published papers only extract a few waveform samples for analysis

which cannot reflect waveform modes of various current variations

and do not further explore characteristics of power signal and its characterization. Therefore

The fundamental amplitude waveforms are extracted for 3 types of typical complex dynamic power signals. Then

characteristic parameters of run-length and their characterization modes are proposed. On basis of analyzing the typical features of amplitude domain

28 typical run-length waveforms can be extracted by further analyzing multi-run-length characteristics of current amplitude

and then

the sample library of current characteristic waveforms can be established. According to the characteristic of run length

suggestion test points are given for supplementing international and domestic electricity meter standard.

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