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Research on High Precision AC Voltage RMS Measurement Technology

  • School of Electrical Engineering and Automation, Harbin Institute of Technology
  • Beijing Orient Institute of Measurement and Test

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In the field of high-precision instrument measurement and measurement system development, it is necessary to further improve the accuracy of digital multimeters. As one of the important functions of multimeter, the measurement accuracy of AC voltage RMS also needs to be further improved. In this paper, the high-precision AC voltage RMS measurement technology is studied. By using AC digital sampling, the uncertainty of AC voltage RMS measurement is 40ppm through the integration algorithm based on equivalent sampling and the sampling time base jitter error suppression based on zero-crossing detection. The experimental results show that the developed AC digital sampling system works stably and reliably, and can realize the measurement of high-precision AC voltage RMS.

Original languageEnglish
Title of host publicationICIEA 2022 - Proceedings of the 17th IEEE Conference on Industrial Electronics and Applications
EditorsWenxiang Xie, Shibin Gao, Xiaoqiong He, Xing Zhu, Jingjing Huang, Weirong Chen, Lei Ma, Haiyan Shu, Wenping Cao, Lijun Jiang, Zeliang Shu
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages331-336
Number of pages6
ISBN (Electronic)9781665409841
DOIs
StatePublished - 2022
Externally publishedYes
Event17th IEEE Conference on Industrial Electronics and Applications, ICIEA 2022 - Chengdu, China
Duration: 16 Dec 202219 Dec 2022

Publication series

NameICIEA 2022 - Proceedings of the 17th IEEE Conference on Industrial Electronics and Applications

Conference

Conference17th IEEE Conference on Industrial Electronics and Applications, ICIEA 2022
Country/TerritoryChina
CityChengdu
Period16/12/2219/12/22

Keywords

  • AC voltage RMS
  • digital sampling
  • error suppression
  • high-precision

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