知识导航
资源分类

不同绝缘支柱材料及改善措施对高压直流分压器测量准确度的影响研究

不同绝缘支柱材料及改善措施对高压直流分压器测量准确度的影响研究

Study on the Influence of Different Insulation Materials and Improvement Measures on the Measurement Accuracy of HVDC Voltage Divider

Study on the Influence of Different Insulation Materials and Improvement Measures on the Measurement Accuracy of HVDC Voltage Divider

doi:
10.3969/j.issn.1671-1815.2018.02.040
摘要:
在1×10 -5数量级上提高高压直流电阻分压器的测量准确度,对直流高电压的精密测量具有重要意义.为减小高压直流分压器中沿绝缘支柱表面的泄漏电流,研究了不同绝缘支柱材料及改善措施对分压器测量准确度的影响.搭建包含50 kV被测分压器、100 kV标准分压器和同步采集系统的试验平台.在完成高精度数字万用表标定试验后,开展了有机玻璃和聚四氟乙烯材料对分压器测量准确度影响的测量试验.研究了增加内屏蔽电阻和在分压器内部充氮气对分压器测量准确度的改善效果.得出的结论对设计0.005级及以上准确度等级的高压直流电阻分压器具有一定的借鉴作用.
Abstract:
It is important to improve the measurement accuracy of the high voltage DC resistance divider at 1× 10 -5order of magnitude.In order to reduce the leakage current along the insulating pillar surface in the high volt-age DC divider,this paper studies the influence of different insulation materials and the improvement measures on the accuracy of the voltage divider.The test platform is built,which includes the 50 kV divider,100 kV standard voltage divider and synchronous acquisition system.After completing the calibration test of the high precision digital multimeter,the measurement experiment of the influence of the organic glass and the polytetrafluoroethylene materi -al on the measuring accuracy is carried out.And the effect of increasing the internal shielding resistance and filling the nitrogen in the divider on the accuracy of measuring is studied.The conclusions obtained in this paper can be used as a reference for the design of high voltage DC resistance divider with 0.005 accuracy levels.
作者 李登云 [1] 胡浩亮 [1] 李鹤 [1] 彭辉 [2] 刘俭 [2] 韩霄汉 [3] 胡瑛俊 [3]
Author: LI Deng-yun[1] HU Hao-liang[1] LI He[1] PENG Hui[2] LIU Jian[2] HAN Xiao-han[3] HU Ying-jun[3]
作者单位
  1. 中国电力科学研究院,武汉,430074
  2. 武汉大学,武汉,430072
  3. 国网浙江省电力公司电力科学研究院,杭州,310007
期 刊: 科学技术与工程 ISTIC EI SCI PKU CSSCI
Journal: Science Technology and Engineering
年,卷(期) 2018, 18(2)
分类号 TM933,12
关键词: 高压直流分压器 知识脉络 准确度 知识脉络 精密测量 知识脉络 绝缘支柱材料 知识脉络 泄漏电流 知识脉络
Keywords: high voltage DC divider accuracy precision measurement insulating pillar material leakage current
机标分类号
基金项目 国家电网公司科技项目
参考文献和引证文献
返回顶部参考文献
返回顶部引证文献
返回顶部本文读者也读过
返回顶部相似文献
返回顶部相关博文

知识产权声明| 服务承诺| 联系我们| 人才招聘| 客户服务| 关于我们

京ICP证:010071  互联网出版许可证:新出网证(京)字042号  京公网安备11010802020237号
万方数据知识服务平台--国家科技支撑计划资助项目(编号:2006BAH03B01)©北京万方数据股份有限公司  万方数据电子出版社