基于Rogowski线圈的新型电压行波传感器

LI Zewen

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基于Rogowski线圈的新型电压行波传感器

更新时间：2025-08-13

- 基于Rogowski线圈的新型电压行波传感器
- Automation of Electric Power Systems Vol. 40, Issue 9, Pages: 94-99(2016)
- 作者机构：
  
  长沙理工大学电气与信息工程学院,湖南省,长沙市,410076
- 作者简介：
- 基金信息：
- DOI：
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- Published：2016
- 稿件说明：
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LI Zewen. [J]. Automation of electric power systems, 2016, 40(9): 94-99.
DOI：

LI Zewen. [J]. Automation of electric power systems, 2016, 40(9): 94-99. DOI：

摘要

现有行波传感器的行波传变一致性较差

影响故障行波定位准确度。文中研究了一种基于Rogowski线圈原理的印制电路板(PCB)式电压行波传感器。给出了Rogowski线圈的高频工作特性

研究了PCB行波传感器的结构和工作原理

推导出了PCB行波传感器互感系数的计算方法

并分析了行波传感器的抗外磁场干扰机理

为有效检测行波信号提供了理论依据。该PCB行波传感器具有结构新颖、频带响应宽、一致性好、抗干扰能力强等优点。仿真和测试实验表明

PCB行波传感器能有效提高行波精确检测的一致性

可靠传变高频暂态行波信号。

Abstract

In order to solve the poor traveling consistency of existing traveling wave sensors that affects the accuracy of traveling wave location

a printed circuit board(PCB)traveling wave sensor based on the principles of Rogowski coil is proposed. In this paper

the high frequency working characteristics of the Rogowski coil are given

and the structure and working principles of the PCB sensor are studied. And the formula for calculating the mutual inductance coefficient of the PCB sensor is deducted. The anti-interference mechanism of the external magnetic field is analysed to provide a theoretical basis for detecting the traveling wave effectively. The PCB traveling wave sensor has the advantages of novel structure

wide frequency response

good consistency

strong anti-interference ability

etc. The experiment results indicate that the PCB traveling sensor can improve the consistency of precise traveling wave detection effectively and deliver transient traveling wave signals of high frequency reliably. This work is supported by National Natural Science Foundation of China (No. 51577013

No. 51377012) and Natural Science Foundation of Hunan Province of China (No. 2015JJ1001).

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