数字互感器中基于最小二乘算法的温漂修正

DING Weidong

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数字互感器中基于最小二乘算法的温漂修正

更新时间：2025-08-13

- 数字互感器中基于最小二乘算法的温漂修正
- Automation of Electric Power Systems Vol. 34, Issue 16, Pages: 73-77(2010)
- 作者机构：
  
  山东电力研究院,山东省,济南市,250002
- 作者简介：
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- Published：2010
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DING Weidong. [J]. Automation of electric power systems, 2010, 34(16): 73-77.
DOI：

DING Weidong. [J]. Automation of electric power systems, 2010, 34(16): 73-77. DOI：

摘要

简要描述了最小二乘算法实现相量测量的过程，给出了一个最优化的相量滤波器，分析了温度对算法的影响，并对温漂与交流测量误差之间的关系进行了仿真计算。分析了温漂对通信的影响，提出了通过波特率自适应法得到温漂程度，并对采样周期进行修正，进而保证无误差相量测量的方法与步骤。

Abstract

The procedure of phase vector measurement using the least square algorithm is briefly described and an optimized minimum square filter is given. The influence of temperature on the algorithm is analyzed and simulated calculation is made of the relationship between temperature-shift and AC measuring errors. An analysis is also made of the temperature-shift on communication. It is proposed that the degree of temperature-shift be obtained using the baud-rate-self-adaptive algorithm. The sampling period is calibrated so as to ensure the error-free phase measuring method and procedure.

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