摘要
GIS隔离开关操作产生的特快速电磁暂态(VFT)可能造成就地化保护装置发生故障甚至损坏,威胁变电站二次系统的可靠运行。为了研究VFT对就地化保护装置的影响,提出了VFT试验平台的设计方案(包括电气结构方案、就地化保护布置方案、接地方案),在武汉特高压交流基地建成了VFT试验平台;研制了VFT测量系统,开发了基于天线的同步触发装置,开展了特快速暂态过电压(VFTO)和就地化保护装置端口电磁骚扰同步测量,获得了就地保护装置端口的电流互感器(TA)、电压互感器(TV)传导骚扰、瞬态电场和磁场的波形特征,验证了研制的VFT试验平台能够产生相对严酷的GIS隔离开关操作特快速电磁暂态骚扰。
The very fast electromagnetic transient(VFT)due to switch operation of GIS disconnectors may cause the localized protection device to malfunction or even damage,and threaten the reliable operation of the substation secondary system.In order to study the influences of VFT on the localization protection device,we propose a design scheme of the VFT test platform,including electrical structure scheme,localization protection layout scheme,and grounding scheme.The VFT test platform has been built in Wuhan UHV AC base.Moreover,a VFT measurement system and an antenna-based synchronous trigger device are developed.The VFTO and electromagnetic disturbance on the localized protection device are measured synchronously.The waveform characteristics of CT,PT conducted disturbance,transient electric field and magnetic field on the local protection device port are obtained,which prove that the developed VFT test platform can generate harsh VFT disturbance due to GIS disconnectors switch operation.
作者
赵军
陈维江
王德林
万保权
张建功
张晓莉
刘卫东
ZHAO Jun;CHEN Weijiang;WANG Delin;WAN Baoquan;ZHANG Jiangong;ZHANG Xiaoli;LIU Weidong(State Key Laboratory of Power Grid Environmental Protection,China Electric Power Research Institute,Wuhan 430074,China;State Grid Corporation of China,Beijing 100031,China;China Electric Power Research Institute,Beijing 100192,China;Department of Electrical Engineering,Tsinghua University,Beijing 100084,China)
出处
《高电压技术》
EI
CAS
CSCD
北大核心
2020年第1期107-114,共8页
High Voltage Engineering
基金
国家自然科学基金(E070104)
国家电网公司科技项目(JBB17201700082).
关键词
特快速电磁暂态
试验平台
GIS变电站
隔离开关
电磁骚扰
very fast electromagnetic transient(VFT)
test platform
GIS substation
disconnectors
electromagnetic disturbance
作者简介
赵军,1985—,男,博士,高工研究方向为电力系统电磁兼容与电磁环境,E-mail:zhaojun3@epri.sgcc.com.cn;通信作者:陈维江,1958—,男,中国科学院院士主要从事电力系统防雷、过电压与绝缘配合、电磁环境和特高压建设方面的研究工作,E-mail:weijiang-chen@sgcc.com.cn
