ZHANG Qiang-hua~1, TAN Yan~2, WU Jian-gang~2. Research of 40.5kV Non SF6 C-GIS[J]. High voltageapparatus, 2011, 47(6): 29-33+38. DOI: 10.13296/j.1001-1609.hva.2011.06.007.
Research of 40.5kV Non SF6 C-GIS
摘要
随着《京都议定书》的签订以及环保意识的提高
SF
6
的应用越来越受到人类担忧
其限制使用必将成为电气行业的发展趋势。为在40.5 kV C-GIS中避免使用SF
6
气体
在目前中压C-GIS中采取的少用或完全避免使用SF
6
的方法上
提出一种改进设计气体间隙和界面绝缘水平的方法
实现以低压力氮气作为气体绝缘介质并完全替代SF
6
气体的设计。开发了1种三相共箱式40.5 kV-1250 A充低压力氮气的C-GIS样机
同样具有SF
6
气体绝缘开关柜占有空间小的优点
验证了此发展概念的可行性。
Abstract
With the subscription of Kyoto Protocol and mind improvement of the environment protection
people pay increasingly anxious to SF
6
gas applications
and its application restriction will definitely becomes the tendency of developing in electrical industry.In order to avoid of SF
6
in 40.5 kV C-GIS
a design method for gas gap and interface insulation improvement has been proposed
SF
6
replaced by low-pressure N
2
as the insulation gas on the basis of less or non SF
6
experiments in the current MV C-GIS.A 40.5 kV-1250 A 3 phase in one tank C-GIS prototype filling low pressure N
2
is developed which has the same advantages of less space occupation as SF
6
C-GIS
and
the feasibility of this developing concept is validated.