2020年 06期

Performance Degradation of Smart Meters Based on Regression Analysis of Temperature and Humidity Stress


摘要(Abstract):

针对智能电能表性能退化研究中计量误差较难准确估计的问题,考虑智能电能表运行环境温湿度影响,选取Peck加速寿命模型进行智能电能表加速寿命试验;采用线性回归拟合加速寿命试验数据,并用最小二乘法计算Peck加速模型的激活能与幂指数参数,建立智能电能表计量误差均值估计值与加速寿命试验结果的函数关系;利用加速寿命试验数据与实测数据对提出的智能电能表计量误差估计方法进行验证。结果表明:基于温湿度应力回归分析对智能电能表计量误差均值的最大估计误差为13%,远小于传统方法的最大估计误差28%。

关键词(KeyWords): 状态评估;加速寿命模型;应力回归分析;智能电能表;计量误差

基金项目(Foundation): 河北省自然科学基金项目(E2020202204)

作者(Author): 罗群,刘春雨,王尧,张志龙,王维光,张文婷

DOI: 10.13349/j.cnki.jdxbn.20200629.001

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