Experiment study of scheme of measuring line current with high phase-precision

HUANG Wei-zhao; DENG Shi-cong; ZENG Xiong-jie

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Experiment study of scheme of measuring line current with high phase-precision

更新时间：2025-11-18

- Experiment study of scheme of measuring line current with high phase-precision
- Issue 6, Pages: 18-21(2007)
- 作者机构：
  
  1. 深圳供电局
  2. 深圳供电局广东深圳518020
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM933.1
- Published：2007
- 稿件说明：
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[1]黄炜昭,邓世聪,曾雄杰.测量线路电流的高相位精度方案的试验研究[J].湖南电力,2007(06):18-21.

HUANG Wei-zhao, DENG Shi-cong, ZENG Xiong-jie. Experiment study of scheme of measuring line current with high phase-precision[J]. 2007, (6): 18-21.
[1]黄炜昭,邓世聪,曾雄杰.测量线路电流的高相位精度方案的试验研究[J].湖南电力,2007(06):18-21. DOI：

HUANG Wei-zhao, DENG Shi-cong, ZENG Xiong-jie. Experiment study of scheme of measuring line current with high phase-precision[J]. 2007, (6): 18-21. DOI：

摘要

设计出以罗哥夫斯基线圈为传感器

加有相位比较环节的工频电流测量系统。通过相位比较环节能大为提高测量的相位精度。从试验结果可看出

该系统可还原电流的波形

并能较为准确的测量出工频电流的幅值

平均误差约为1%

相角差不超过20′。

Abstract

Industrial frequency current measurement system using Rogowski coil as sensor and adding phase comparison step was designed.Phase precision was greatly improved after adding phase comparison.From the experiment result

the system could revert current wave and precisely measure the amplitude of industrial frequency current.The average error was about 1% and phase-angle error was less than 20’.

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