Design and Analysis of Sensor for High Power Transient Electric Field

WANG Yang-yang; BI Jun-jian; CHEN Xiang

doi:10.13296/j.1001-1609.hva.2013.01.005

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Design and Analysis of Sensor for High Power Transient Electric Field

更新时间：2025-04-26

- Design and Analysis of Sensor for High Power Transient Electric Field
- High VoltageApparatus Vol. 49, Issue 1, Pages: 24-28(2013)
- 作者机构：
  
  军械工程学院静电与电磁防护研究所
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2013.01.005
  CLC： TP212.1
- Published：2013
- 稿件说明：
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[1]王阳阳,毕军建,陈翔.高功率瞬态电场传感器的设计与分析[J].高压电器,2013,49(01):24-28.

WANG Yang-yang, BI Jun-jian, CHEN Xiang. Design and Analysis of Sensor for High Power Transient Electric Field[J]. High voltageapparatus, 2013, 49(1): 24-28.
[1]王阳阳,毕军建,陈翔.高功率瞬态电场传感器的设计与分析[J].高压电器,2013,49(01):24-28. DOI： 10.13296/j.1001-1609.hva.2013.01.005.

WANG Yang-yang, BI Jun-jian, CHEN Xiang. Design and Analysis of Sensor for High Power Transient Electric Field[J]. High voltageapparatus, 2013, 49(1): 24-28. DOI： 10.13296/j.1001-1609.hva.2013.01.005.

摘要

高功率瞬态电场的测试是电磁环境效应评估与防护研究领域的难点。笔者基于有源电光调制法

设计了一种高功率瞬态电场传感器。通过建立简化的等效电路模型

并借助CST微波工作室对该传感器的结构建模仿真

分别从频域和时域分析了接收天线负载对传感器接收特性的影响

并得到了一致的结果。结果表明:接收天线采用单极子天线

负载采用低阻时响应信号为被测电场的微分信号

采用高阻时响应电压与被测电场场强成正比

通过改变负载电容取值可以控制传感器量程。

Abstract

It’s difficult to measure the high power transient electric field in the assessment of electromagnetic environmental effect and electromagnetic protection.In this study

a kind of sensor based on the active electro-optical modulation is designed for measuring high power transient electric field.The load impendence influence of antenna on the receiving characteristic of the sensor is investigated.The equivalent circuit model is established to investigate in frequency domain.The model of sensor structure established by CST is used for simulating and analyzing in time domain.The results in time domain are coincident with those in frequency domain.The results prove that if the receiving antenna is monopole antenna

the response signal is a differential signal while the load impedance is low and the responded voltage is directly proportional to the electric field strength while the load impedance is high.The measuring range of the sensor can be controlled by changing the value of the load capacitance.

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