Uncertainty assessment of electromagnetic environment measurements in AC transmission and transformation projects

QIAN Yong; CUI Hailing; ZHANG Qingxia; HAN Li; TA Shouhuan

doi:10.3969/j.issn.1672-3643.2023.06.010

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Uncertainty assessment of electromagnetic environment measurements in AC transmission and transformation projects

更新时间：2026-09-14

- Uncertainty assessment of electromagnetic environment measurements in AC transmission and transformation projects
- Ningxia Electric Power Issue 6, (2023)
- 作者机构：
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- DOI：10.3969/j.issn.1672-3643.2023.06.010
  CLC：
- Online First：19 November 2023，
  
  Published：2023
- 稿件说明：
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QIAN Yong, CUI Hailing, ZHANG Qingxia, et al. Uncertainty assessment of electromagnetic environment measurements in AC transmission and transformation projects[J]. Ningxia Electric Power, 2023, (6).
DOI：

QIAN Yong, CUI Hailing, ZHANG Qingxia, et al. Uncertainty assessment of electromagnetic environment measurements in AC transmission and transformation projects[J]. Ningxia Electric Power, 2023, (6). DOI： 10.3969/j.issn.1672-3643.2023.06.010.

摘要

变电站和输电线路电磁环境是电力设施环境因子重要监测之一，其测量结果的准确性和可靠性极其重要，测量不确定度是定量说明测量结果质量的重要参数。针对交流输变电工程电磁环境测量不确定评定的问题，首先

给出电磁环境测量方法;其次，建立电磁环境测量不确定度的评定模型，包括A类、B类评定模型等；最后，结合实际算例，分别给出工频电场、工频磁感应强度测量不确定度评定计算过程。本文讨论的方法可推广至通信基站、雷达等电磁环境测量不确定度的评定。

Abstract

Electromagnetic environment measurements in substations and transmission lines are crucial for assessing environmental factors in power facilities.The accuracy and reliability of these measurements are paramount

and the associated uncertainty is a key parameter for quantitatively evaluating the quality of results.This paper addresses the challenge of the uncertainty assessment in electromagnetic environment measurement for AC transmission and transformation projects.First

the measurement method of the electromagnetic environment is outlined.Next

the assessment models for evaluating the uncertainty of these measurements are established

including Class A and Class B evaluation models.Lastly

based on practical examples

the evaluation and calculation processes for the uncertainty of the measurement related to power frequency electric fields and magnetic induction intensities are presented respectively.The methods discussed in this paper can be extended to assessing the uncertainty in electromagnetic environment measurements in various scenarios

such as communication base stations and radars.

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