GIS/GIL设备中金属微粒污染研究综述  

Review on Metal Particle Contamination in GIS/GIL Equipment

作　　者：李佳 杨丽薇[1] 于佼 LI Jia;YANG Li-wei;YU Jiao(Power Construction Corporation of China Northwest Engineering Corporation Limited,Xi’an 710065,China)

机构地区：[1]中国电建集团西北勘测设计研究院有限公司,陕西西安710065

出　　处：《电工电气》2022年第3期1-7,共7页Electrotechnics Electric

摘　　要：如何减小高压电气设备中金属微粒对GIS/GIL的污染是提高绝缘强度的关键技术难题之一。对金属微粒产生危害的方式、影响因素及金属微粒抑制措施进行了综述。指出金属微粒的来源广泛、类型多样且微粒的产生不可避免,自由微粒在设备内的复杂运动加剧了其危害的不可控性,微粒危害大小主要因素有微粒尺寸、气压与电压形式等。介绍了表面附膜、微粒陷阱等微粒抑制措施,指出如何合理改进微粒抑制措施,获取更加高效的微粒无害化方法是亟待解决的问题,为今后进一步研究金属微粒提供了参考。One of the key technical problems in improving dielectric strength is how to reduce the contamination of GIS/GIL by metal particles in high-voltage electrical equipment.This paper explained the methods,influencing factors,and measures to suppress metal particles.It pointed out that the sources of metal particles are extensive and diverse,and the generation of particles is unavoidable.The complex movement of free particles in the equipment aggravates the uncontrollability of their hazards.The main factors of particle hazard are particle size,air pressure,voltage form,etc.It introduced particle suppression measures,such as surface film and particle traps.By doing this,this research provides methods to improve particle suppression measures reasonably.Moreover,it indicates that obtaining more efficient particle harmless methods is an urgent problem to be solved,which provides a reference for further research on metal particles in the future.

关 键 词：金属微粒 高压电气设备 气体绝缘金属封闭输电线路(GIL) 气体绝缘金属封闭开关设备(GIS) 污染 

分 类 号：TM591[电气工程—电器] TM726