直流合成场强、离子流密度测量仪校准技术  

Calibration Technology of DC Total Electric Field Strength and Ion Current Density Measuring Instrument

作　　者：李斌 刘磊 王国利 李敏 黄欢 厉天威 唐力 项阳 LI Bin;LIU Lei;WANG Guoli;LI Min;HUANG Huan;LI Tianwei;TANG Li;XIANG Yang(State Key Laboratory of HVDC,Electric Power Research Institute,CSG,Guangzhou 510663,China;Electric Power Research Institute,Guizhou Power Grid Co.,Ltd.,Guiyang 550002,China)

机构地区：[1]直流输电技术国家重点实验室(南方电网科学研究院),广州510663 [2]贵州电网有限责任公司电力科学研究院,贵阳550002

出　　处：《南方电网技术》2021年第8期80-86,共7页Southern Power System Technology

基　　金：广东省科技计划基金项目(2017A020216015);中国南方电网有限责任公司科技项目(066600KK52190068)。

摘　　要：为解决现有直流合成场强测量仪校准装置存在的操控性不好、精确度不高以及不能满足标准要求开展直流合成场强测量仪的校准工作等问题,开展了直流合成场强、离子流密度测量仪校准系统的优化研究。对优化后的校准系统的技术优势特点进行了分析,并开展了试验分析及验证。研究表明,优化后的合成场强、离子流密度测量仪校准系统不仅具有能够按标准要求采用离子场校准方法对合成场强测量仪进行校准,同时具有校准离子流密度测量仪的综合功能,提高了校准的便捷性。而且采用圆形平板设计使得校准系统的电场分布更加均匀并具各向同性,有效提高了校准精确度。In order to solve the problem of the existing calibration device of DC total electric field strength measuring instrument,such as poor controllability,low accuracy,and unable to meet the standard requirements to carry out the calibration work of DC total electric field strength measuring instrument,the optimization researches of calibration system of DC total electric field strength and ion current density measuring instrument are carried out,the technical advantages of the optimized calibration system are analyzed,and the development is carried out test analysis and verification.The results show that the optimized calibration system can not only meet the requirements of the standard,but also have the comprehensive function of calibrating the ion current density meter,which improves the convenience of calibration.Moreover,the calibration system uses a circular flat plate design to make the electric field distribution more uniform and isotropic,which effectively improves the calibration accuracy.

关 键 词：直流输电 合成场强 离子流密度 校准系统 

分 类 号：TM721.1[电气工程—电力系统及自动化] TM937