Standard No.:	GB/T 18802.311-2017
English Name:	Components for low-voltage surge protective devices—Part 311: Performance requirements and test circuits for gas discharge tubes(GDT)
Chinese Name:	低压电涌保护器元件 第311部分：气体放电管( GDT )的性能要求和测试回路
Professional Classification:	GB    National Standard
ICS Classification:	29.240.10 29.240.10    Substations. Surge arresters 29.240.10
Issued by:	AQSIQ; SAC
Issued on:	2017-11-01
Implemented on:	2018-5-1
Status:	valid
Superseding:	GB/T 18802.311-2007 Components for low-voltage surge protective—Part 311:Specification for gas discharge tubes(GDT)
Language:	English
File Format:	PDF
Word Count:	12500 words
Price(USD):	370.0
Delivery:	via email in 1~5 business day

本部分适用于系统标称电压不超过交流1 000 V或直流1 500 V的电信、信号和低压电力配电网等所使用的气体放电管。气体放电管（GDT）定义为具有两个或三个金属电极的密封的单间隙或多间隙，内部的混合气体和压力可控，用于保护设备和/或人身不受瞬态过电压的危害。本部分包含了一系列用于确定二极或三极GDT电性能参数的试验判据、试验方法和试验回路。