高压电器2025，Vol.61Issue(2)：10-16,7.DOI:10.13296/j.1001-1609.hva.2025.02.002
环境因素对12kV充气柜可分离连接器绝缘性能的影响
Influence of Environmental Factors on Insulation Performance of Separable Connector for 12 kV Gas Filling Switchgear Cabinet
摘要
Abstract
The purpose of this paper is to study the influence of environmental factors on the insulation performance of the separable connector for 12 kV gas filling cabinet and,at the same time,to provide a practical basis for the ap-plication of partial discharge discharge and chemical fusion detection in the field of insulation fault monitoring of 12 kV gas filling switchgear cabinet.The experimental model and experimental method are designed,the influence of environmental temperature and humidity on the insulation performance of the separable connector for 12 kV gas fill-ing switchgear cabinet is studied firstly.Then,the development process of insulation fault due to high humidity,high contamination and high salinity is simulated quickly by using the method of rising the test voltage till insulation breakdown.The electrochemical sensors are used to monitor the aging products of insulation gas and study the varia-tion of the cracking products of insulation materials after insulation breakdown.The experimental results show that high temperature,high humidity and high salinity conditions can reduce the insulation performance of the separable connector of 12 kV gas-filling switchgear cabinet,the cracking of insulation materials can produce such gases as ni-tric oxide,nitrogen dioxide and non-methane total hydrocarbons and,furthermore,in case of insulation fault,the worse the insulation performance of the separable connector is,the higher the concentration of the above three gases generated is,which can be used as an indicator gas for the insulation status assessment of the 12 kV gas filling switch-gear cabinet.关键词
可分离连接器/环境因素/绝缘性能/局部放电/气体检测Key words
separable connector/environmental factors/insulation performance/partial discharge/gas detection引用本文复制引用
王东方,牛勃,王景,马永强,邰晨凡,马飞越..环境因素对12kV充气柜可分离连接器绝缘性能的影响[J].高压电器,2025,61(2):10-16,7.基金项目
国网宁夏电力有限公司科技项目资助(5229WZ230002).Project Supported by Science and Technology Project of State Grid Ningxia Electric Power Co.,Ltd.,China(5229WZ230002). （5229WZ230002）
