Standard No.:	GB 12944.1-1991
English Name:	High-voltage ceramic wall bushings
Chinese Name:	高压穿墙瓷套管技术条件
Chinese Classification:	K48    Insulator
Professional Classification:	GB    National Standard
ICS Classification:	29.080.20 29.080.20    Bushings 29.080.20
Issued by:	CSBTS
Issued on:	1991-05-02
Implemented on:	1992-2-1
Status:	superseded
Superseded by:	GB/T 4109-2008 Insulated bushings for alternating voltages above 1 000V
Superseded on:	2009-4-1
Abolished on:	2009-04-01
Superseding:	GB 770-1981 GB 771-1981 Indoor wall bushings for power stations with voltages up to 35kV GB 1247-1977
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	90.0
Delivery:	via email in 1~3 business day

本标准规定了高压穿墙瓷套管的技术要求、试驺：方法、检验规则以及包装与标志。本标准适用于额定电压6～35kV、频率15～60Hz的三相交流系统电站和变电所配电装置上用的户内、户外?户内穿墙瓷套管(简称套管)，套管安装地点环境温度应为－40～＋40℃。环境温度超过＋40℃时套管的使用见GB 4109附录A。套管适用于水平安装，户内套管可以立装。本标准不适用于在足以降低套管性能的条件下以及套管户内部分表面凝露情况下使用的套管。