交直流电场传感器的性能影响分析与优化设计  

Performance Influence Analysis and Optimization Design of AC/DC Electric Field Sensor

作　　者：敖刚 朱倩钰 周引炫 周光飞 李冬东 史毅 罗庆亮 杨庆[2] AO Gang;ZHU Qianyu;ZHOU Yinxuan;ZHOU Guangfei;LI Dongdong;SHI Yi;LUO Qingliang;YANG Qing(Kunming Power Supply Bureau of Yunnan Power Grid Co.,Ltd.,Kunming 650000,China;School of Electrical Engineering,Chongqing University,Chongqing 400044,China)

机构地区：[1]云南电网有限责任公司昆明供电局,昆明650000 [2]重庆大学电气工程学院,重庆400044

出　　处：《高压电器》2025年第2期230-236,共7页High Voltage Apparatus

基　　金：南方电网公司科技项目(0002200000081151)。

摘　　要：为实现电网的数字化转型,建设强有力的交直流输电工程,对电网状态的全感知是关键一环。文中针对交直流混合强电场的测量需求,分析了基于一次电光效应与电场调制方法的电场传感器方法,研究了温度特性对传感器性能的影响,并提出温度自补偿措施。同时,基于有限元仿真建立三维物理场模型,量化电场调制效能,研究电极间距和屏蔽电极开孔数对传感器性能的影响,为今后传感器的整体封装提供了依据。For realizing the digital transformation of power grid and constructing powerful AC/DC transmission projects,the full perception of power grid state is a key link.As for the measurement requirement of AC/DC hybrid high current in this paper,the electric field sensor method based on primary electro-optical effect and electric field modulation method is analyzed,the influence of temperature characteristics on sensor performance is studied and the temperature self-compensation measures are proposed.At the same time,a three-dimensional physical field model is set up based on finite element simulation,the energy of electric field modulation is calculated,and the influence of electrode spacing and the number of shielded electrode openings on the performance of the sensor is studied,which provides a basis for the overall packaging of the sensor in the future.

关 键 词：电场测量 有限元仿真 一次电光效应 铌酸锂 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置] TM930[自动化与计算机技术—控制科学与工程]