Standard No.:	GB/T 16434-1996
English Name:	Enviromental pollution classification and external insulation selection forhigh voltage transmission line,power plant and substation
Chinese Name:	高压架空线路和发电厂、变电所环境污区分级及外绝缘选择标准
Chinese Classification:	K40    Electric transmission and transformation equipment in general
Professional Classification:	GB    National Standard
Issued by:	STSB
Issued on:	1996-06-01
Implemented on:	1997-7-1
Status:	superseded
Superseded by:	GB/T 26218.1-2010 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions—Part 1:Definitions,information and general principles
Superseded on:	2011-7-1
Superseding:	GB/T 26218.2-2010 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions—Part 2:Ceramic and glass insulators for a.c.systems
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	120.0
Delivery:	via email in 1~3 business day

本标准适用于额定电压3kV～500kV三相交流电力系统中架空线路和发电厂、变电所户外设备外绝缘。此外绝缘包括瓷和玻璃绝缘，但不包括有机绝缘、半导体釉绝缘、还不包括避雷器以及敞开式断路器的断口绝缘。本标准仅适用于设备安装高度海拔1000m及以下地区。本规定对处在自然污秽环境中的高压架空线路和发电厂、变电所设备的外绝缘划分相应的污秽等级，以及在各级污秽条件下的相应绝水平。本标准规定的设备外绝缘在各污级下的绝缘水平一般均应满足在正常运行电压下能长期耐受设备最高工作相电压。