电磁脉冲D-dot电场传感器的设计与优化  

Design and Optimization of D-dot E-field Sensor for Electromagnetic Pulse Detection

作　　者：齐路 张国钢[1] 刘竞存 秦铮 宋政湘[1] 王建华[1] QI Lu;ZHANG Guogang;LIU Jingcun;QIN Zheng;SONG Zhengxiang;WANG Jianhua(State Key Laboratory of Electrical Insulation and Power Equipment, Xi＇an Jiaotong University, Xi＇an 710049, China)

机构地区：[1]西安交通大学电力设备电气绝缘国家重点实验室,西安710049

出　　处：《高压电器》2018年第7期237-241,247,共6页High Voltage Apparatus

基　　金：装备预先研究项目~~

摘　　要：瞬态电场测量对于研究智能电器在强电磁脉冲环境下的可靠性具有重要意义。文中基于D-dot原理利用等效电势法确定了电磁脉冲电场探头的基本参数,通过结构优化,设计了4种不同结构的电场探头,分析其电场分布的特征,设计了引线屏蔽壳,分析了不同频率下的输出响应。采用GTEM小室和RS105系统分别对电场传感器进行频域、时域瞬态响应的测试,通过实验,验证了该优化的设计方案可以满足ns级脉冲电场的测试需求,同时有利于天线的加工制造和安装,稳固性好。The transient electric field measurement is of great significance for the research of intelligent electrical apparatus reliability under high electromagnetic pulse environment. Based on the D-dot principle, the basic parameters of the electromagnetic pulse electric field probe are determined by the equivalent potential method, through structural optimization, 4 kinds of electric field probes with different structures are designed. The characteristics of E-field distribution are analyzed and shield for leads is also designed. The frequency domain characteristic is simulated and discussed. GTEM cell and RS105 test system are utilized to test the E-field sensors infrequency domain and time domain respectively. Experimental results show that these optimized probes can meet the measurement requirements for pulsed electric field with nanosecond rise time, at the same time, it is beneficial to the fabrication and installation of the antenna, and the stability is good.

关 键 词：电场传感器 电磁脉冲 D-DOT GTEM小室 RS105系统 

分 类 号：TM937[电气工程—电力电子与电力传动] TP212[自动化与计算机技术—检测技术与自动化装置]