Standard No.:	TB/T 2007-1997
English Name:	Pollution Grade Standards for Insulation of Electric Railway Contact Network
Chinese Name:	电气化铁道接触网绝缘污秽等级标准
Chinese Classification:	K4
Professional Classification:	TB    Professional Standard - Railway Transport
Issued by:	Ministry of Railways
Issued on:	1997-7-10
Implemented on:	1998-1-1
Status:	superseded
Superseded by:	TB/T 2007-2015
Superseded on:	2015-11-1
Superseding:	TB 2007-1987
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	90.00
Delivery:	via email in 1~3 business day

本标准规定了电力机车用交流电度表的型式与基本参数、要求、试验方法、检验规则、标志、包装及贮存等。
本标准适用于25k/V交流电气化铁道接触网线路的电瓷外绝缘和玻璃绝缘，包括线路用盘形悬式绝缘子，棒形绝缘子、针式绝缘子和开关支柱绝缘子等。