摘要
为综述近年来环保型绝缘气体的电气特性研究进展,推进新型环保气体研发和应用研究,从放电机理、放电特性、新气体设计3个层面出发,提炼了采用临界约化场强和击穿场强两种方式评估环保气体绝缘性能的方法及适用条件,得到局部不均匀电场、气压、温度和混合气体等因素对气体电气性能的影响,为评估新型气体的电气性能提供了系统的方法。为解决新气体研发效率低下的问题,介绍了基于气体分子微观参数进行性能预测的理论。最后,提出了环保型绝缘气体电气特性研究的两个方向：一是考虑实际设备中多影响因素耦合下已有环保气体的绝缘性能优化;二是基于分子结构参数进行理论预测,探索电气性能更优异的环保气体。
In order to review the research progress in the electrical properties of environment-friendly insulating gases in recent years, and to advance the research and application of new gases,we have refined two ways to assess gas insulation performance and the suitable conditions from three aspects of discharge mechanism, discharge characteristics, and new gas research, namely critical reduced field strength and breakdown field strength. The influences of local uneven electric field, pressure, temperature, and gas mixture on electrical properties are obtained, which is helpful for evaluating the electrical properties of new gas. To solve the problem of poor efficiency of new gas research, the theory of performance prediction based on microscopic parameters of gas molecules are introduced. Finally, two directions are put forward in the research of environment-friendly gas. One is to optimize the insulation performance considering the coupling influence factors in the practical equipment. The second is toexplore new gases with better electrical properties based on the theory of molecular structure parameters prediction.
作者
周文俊
郑宇
高克利
陈维江
苏镇西
喻剑辉
ZHOU Wenjun;ZHENG Yu;GAO Keli;CHEN Weijiang;SU Zhenxi;YU Jianhui(School of Electrical Engineering,Wuhan University,Wuhan 430072,China;China Electric Power Research Institute Corpora-tion,Beijing 100192,China;State Grid Corporation of China,Beijing 100031,China;Electric Power Research Institute,State Grid Anhui Electric Power Company,Hefei 230022,China)
出处
《高电压技术》
EI
CAS
CSCD
北大核心
2018年第10期3114-3124,共11页
High Voltage Engineering
基金
国家重点研发计划(2017YFB0902500)
国家电网公司总部科技项目(环保型管道输电关键技术)~~
关键词
SF6
环保气体
高压电器
气体放电
绝缘特性
SF6
environment-friendly insulating gas
high voltage electrical equipment
gas discharge
insulating properties
