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微型电场传感器在工频电场测量中的应用研究

仝杰 雷煜卿 刘国华 王鹤 金学明 杨鹏飞 彭春荣

仝杰, 雷煜卿, 刘国华, 王鹤, 金学明, 杨鹏飞, 彭春荣. 微型电场传感器在工频电场测量中的应用研究[J]. 电子与信息学报, 2018, 40(12): 3036-3041. doi: 10.11999/JEIT180217
引用本文: 仝杰, 雷煜卿, 刘国华, 王鹤, 金学明, 杨鹏飞, 彭春荣. 微型电场传感器在工频电场测量中的应用研究[J]. 电子与信息学报, 2018, 40(12): 3036-3041. doi: 10.11999/JEIT180217
Jie TONG, Yuqing LEI, Guohua LIU, He WANG, Xueming JIN, Pengfei YANG, Chunrong PENG. Power-frequency Electric Field Measurement Using a Micromachined Electric Field Sensor[J]. Journal of Electronics & Information Technology, 2018, 40(12): 3036-3041. doi: 10.11999/JEIT180217
Citation: Jie TONG, Yuqing LEI, Guohua LIU, He WANG, Xueming JIN, Pengfei YANG, Chunrong PENG. Power-frequency Electric Field Measurement Using a Micromachined Electric Field Sensor[J]. Journal of Electronics & Information Technology, 2018, 40(12): 3036-3041. doi: 10.11999/JEIT180217

微型电场传感器在工频电场测量中的应用研究

doi: 10.11999/JEIT180217
基金项目: 国家发展改革委物联网技术研发及产业化专项(发改办高技〔2012〕2766号);国家电网公司总部科技项目(SGJSDK00ZPJS1600203)
详细信息
    作者简介:

    仝杰:男,1983年生,高级工程师,研究方向为电力智能设备与传感技术

    雷煜卿:男,1975年生,高级工程师,研究方向为电力系统通信及传感技术

    杨鹏飞:男,1986年生,博士后,研究方向为MEMS传感器设计与加工、低频电磁场探测、大气电场探测、工频电场检测等

    通讯作者:

    杨鹏飞  yang330650591@126.com

  • 中图分类号: TP212.1

Power-frequency Electric Field Measurement Using a Micromachined Electric Field Sensor

Funds: The Special Fund of National Development and Reform Commission for IoT R&D and Industrialization (NDRC High-Tec (2012) 2766), The Headquarter Science and Technology Fund of State Grid Corporation of China (SGJSDK00ZPJS1600203)
  • 摘要: 该文基于高性能的MEMS电场敏感芯片研制出一种新型的工频电场测量系统。针对芯片调制被测电场后其输出信号的特征,采用正交相关检测原理提出一种可抑制背景干扰噪声的工频电场解调算法,设计出小型化、空间分辨力高的工频电场测量探头,并在基础上提出MEMS工频电场测量系统的系统级设计方案,成功实现了MEMS电场敏感芯片输出信号的无线采集、滤波、以及电场信号的高精度解调。高压输电线路下工频电场测量结果表明,MEMS工频电场测量系统与传统电场测量仪的测量结果具有良好的一致性。
  • 图  1  MEMS电场传感器敏感芯片感应原理

    图  2  MEMS电场敏感芯片前置放大电路

    图  3  MEMS工频电场测量探头

    图  4  MEMS工频电场测量系统整体框图

    图  6  MEMS工频电场测量系统样机

    图  5  信号解调软件流程图

    图  7  MEMS工频电场测量系统零点温度特性曲线

    图  9  10 kV输电线路线下电场测试与计算曲线

    图  8  10 kV输电线路测试现场照片

    图  11  同塔多回输电线路电场测试曲线

    图  10  同塔多回输电线路照片

    表  1  MEMS工频电场测量系统零点温度特性测试数据

    温度(℃) –40 –30 –20 –10 0 10 20 30 40 50
    零点(V/m) –1.39 –1.22 –1.13 –0.74 –1.22 –0.39 –0.04 –0.22 0.52 0.13
    下载: 导出CSV

    表  2  10 kV输电线路线下电场测试与计算数据

    距离(m) 0 2 4 6 8 10
    MEMS (V/m) 40.08 56.90 59.66 43.32 30.68 19.89
    EFA-300 (V/m) 39.65 52.02 56.33 46.68 33.39 22.68
    计算值(V/m) 44.0 51.6 53.4 44.8 33.6 24.3
    下载: 导出CSV

    表  3  同塔多回输电线路电场测试数据

    距离(m) 0 2 4 6 8 10 12 14 16 18 20 22
    MEMS (V/m) 401.87 401.22 418.45 416.32 456.93 511.43 549.13 575.03 552.92 460.72 369.00 361.08
    EFA-300 (V/m) 397 399 406 421 454 505 549 576 546 466 368 337
    下载: 导出CSV
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出版历程
  • 收稿日期:  2018-03-07
  • 修回日期:  2018-08-14
  • 网络出版日期:  2018-08-23
  • 刊出日期:  2018-12-01

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