环保型气体在充气柜中应用分析与研究  

Analysis and Research on the Application of Environment-Friendly Gas in Filled Cabinets

作　　者：吴昊 赵瑞影 WU hao;ZHAO Rui-ying(Chint Electric Co.,Ltd,Shanghai 201614,China)

机构地区：[1]正泰电气股份有限公司,上海201614

出　　处：《电工电气》2023年第6期55-59,共5页Electrotechnics Electric

摘　　要：六氟化硫(SF_(6))气体电气性能良好,但其温室效应严重,使用受到很大限制。通过试验数据对比分析了SF_(6)、N_(2)及干燥空气的理化特性、绝缘性能、分解特性、温升效果,发现干燥空气绝缘性能比N_(2)高10%,但温升效果略低于N_(2),而N_(2)温升值比SF_(6)温升值高10 K左右。并对比分析了新型环保气体C4-PFN和C5-PFK的理化特性,研究了二者及其混合气体的温升性能及分解特性,给出了各自的应用场合。指出新型环保气体绝缘性能优良,具有良好的应用前景,但存在液化温度高、成本高等问题,对于最佳混合比、气体分子间协同作用有待进一步研究。SF_(6) gas has great electrical property but with serious greenhouse effect,so its application is limited.This paper makes comparative experiment on SF_(6),N_(2) and dry air to analyze their physicochemical properties,insulation performance,decomposition characteristics and temperature rise effects.The insulation performance of dry air is 10%higher than that of N_(2),but its temperature rise effectis slightly lower than that of N_(2),while the temperature rise value of N_(2) is about 10 K higher than that of SF_(6).The comparative analysis is carried out on the physicochemical properties of C4-PFN and C5-PFK,and the temperature rise performance and decomposition characteristics of both gases and their mixed gas are also studied.Besides,their respective applications are also shown in the paper.Finally,it points out that the newly environment-friendly gases have excellent insulation performance and great application prospects,but problems such as high liquefaction temperature and high cost exist.Therefore,the optimal mixing ratio and the synergy between gas molecules still need to be further analyzed.

关 键 词：六氟化硫气体 新型环保气体 C4-PFN气体 C5-PFK气体 绝缘性能 温升性能 

分 类 号：TM591[电气工程—电器] TM853