温湿度对数字化电能表校准误差的影响分析

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摘要针对检定过程中温湿度对数字化电能表的影响问题，文中以温湿度对数字化电能表误差的影响为研究对象，通过标准数字功率源法选取特定负载点，在不同的温湿度环境下，随机抽取十个误差数据作为一种环境下的样本来源，通过贝塞尔公式对样本数据进行计算获取一个近似无偏估计，结合上级数字功率源的不确定度分析每种温湿度环境下数字化电能表的误差范围，通过比对不同环境下温湿度对数字化电能表误差的影响，获得实际工况下数字化电能表在常见温湿度环境中的误差特性。

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关键词 ：数化电能表, 温湿度环境, 误差特性

Abstract：Aiming at researching the problems of the influence of temperature and humidity on the digitized electric energy meter during the verification process, the influence of temperature and humidity on the result of digital electric energy meter is taken as the research object. The specific digital power source method is used to select specific electricload points, and ten Relative Errors in these points are randomly selected under different temperature and humidity environments. As a sample source in an environment, the data is calculated by Bessel's formula to obtain an approximate unbiased estimation. Combined with the uncertainty of measurement from the superior digital power source, the result range of the digitized electric energy meter in each temperature and humidity environment is analyzed. By comparing the influence of temperature and humidity on the result of digital electric energy meter in different environments, the result characteristics of digital electric energy meter in common temperature and humidity environment under actual working conditions are obtained.

Key words： temperature humidity characteristics of digital electric energy meter

收稿日期: 2019-06-17 出版日期: 2020-07-22

基金资助:国网甘肃电科院2018年自源性科技创新项目

通讯作者: 史逸群 E-mail: syq9899@189.cn

引用本文:

史逸群. 温湿度对数字化电能表校准误差的影响分析[J]. , 2020, 30(04): 0-0.

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http://www.gyjl.com.cn/CN/ 或 http://www.gyjl.com.cn/CN/Y2020/V30/I04/0

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