Strategy and practice of smart meter rotation based on error estimation

CHANG Junchao; QI Jiaqi; LU Yunfei; YANG Jingxu; AI Yuan; WU Mingqi

doi:10.11959/j.issn.1000-0801.2025143

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Strategy and practice of smart meter rotation based on error estimation

Engineering and Application | 更新时间：2025-09-04

- Strategy and practice of smart meter rotation based on error estimation
- Telecommunications Science Vol. 41, Issue 8, Pages: 207-216(2025)
- 作者机构：
  
  1.云南电网有限责任公司计量中心，云南昆明 650051
  2.南方电网数字电网集团有限公司，广东广州 510300
- 作者简介：
- 基金信息：
  
  The Science and Technology Project of China Southern Power Grid Co., Ltd(050000KC24010006)
- DOI：10.11959/j.issn.1000-0801.2025143
  CLC： TM711
- Received：16 October 2024，
  
  Revised：2025-05-08，
  
  Published：20 August 2025
- 稿件说明：
移动端阅览
常军超,起家琦,卢云菲等.基于误差估算的智能电表轮换策略与实践[J].电信科学,2025,41(08):207-216.

CHANG Junchao,QI Jiaqi,LU Yunfei,et al.Strategy and practice of smart meter rotation based on error estimation[J].Telecommunications Science,2025,41(08):207-216.
常军超,起家琦,卢云菲等.基于误差估算的智能电表轮换策略与实践[J].电信科学,2025,41(08):207-216. DOI： 10.11959/j.issn.1000-0801.2025143.

CHANG Junchao,QI Jiaqi,LU Yunfei,et al.Strategy and practice of smart meter rotation based on error estimation[J].Telecommunications Science,2025,41(08):207-216. DOI： 10.11959/j.issn.1000-0801.2025143.

摘要

针对目前我国电网对智能电表到期更换和批次抽检轮换等运行维护中存在的不足，提出一种基于计量自动化系统采集数据的智能电表运行误差估算的轮换策略。首先，以台区为单位，建立智能电表运行误差估算模型；其次，针对估算模型病态性情况，采用正则化方法求解；最后，根据多个时间窗滚动计算和综合评价机制筛选出轮换的智能电表用于现场校验。通过实际电网算例验证了所提策略的有效性。

Abstract

In response to the deficiencies in the operation and maintenance of China’s power grid regarding the replacement of expired smart meters and batch sampling rotation

a rotation strategy for estimating the operation error of smart meters based on data collected by the metering automation system was proposed. Firstly

a smart meter operation error estimation model was established on a per-transformer-area basis. Secondly

a regularization method was adopted to solve the ill-conditioned situation of the estimation model. Finally

based on rolling calculations over multiple time windows and a comprehensive evaluation mechanism

smart meters for rotation were selected for field verification. The effectiveness of the proposed strategy was verified through practical examples in the power grid.

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references

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