Standard No.:	GB/T 11348.2-1997
English Name:	Mechanical vibration of non-reciprocating machines--Measurements on rotating shafts and evaluation criteria--Part 2: Large land-based steam turbine generator sets
Chinese Name:	旋转机械转轴径向振动的测量和评定 第2部分:陆地安装的大型汽轮发电机组
Chinese Classification:	J04    Basic standards and general methods
Professional Classification:	GB    National Standard
Issued by:	STSB
Issued on:	1997-06-06
Implemented on:	1998-1-1
Status:	superseded
Superseded by:	GB/T 11348.2-2007 Mechanical vibration—Evaluation of machines vibration by measurements on rotating shafts—Part 2:Land-based steam turbines and generators in excess of 50 MW with normal operating speeds of 1 500/r/min，1 800 r/min 3 000 r/min and 3 600 r/min
Superseded on:	2007-11-1
Abolished on:	2007-11-01
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	120.0
Delivery:	via email in 1~3 business day

本标准规定了陆地安装的大型汽轮发电机组多转子系统转轴径向振动的测量方法及评定准则。本标准适用于额定功率大于50MW，额定转速范围为1500~3600r/min的陆地安装的大型汽轮发电机组。一般来说，汽轮发电机组的振动状态应从转轴振动和轴承座振动两个方面进行评价。本标准适用于汽轮发电机组在正常工况下位于或靠近轴承处转轴振动的测量和评定。本标准不适用于非稳态工况，例如起动、停机、超速及通过临界转速时，轴系振动状态的评定。本标准不适用于汽轮发电机组轴系扭转振动和轴向振动的测量和评定。