500 kV 变压器油自动取样装置.pdf

文档介绍：29 5 Vol. 29
第卷第期
2012 5 Journal of机 Mechanical 电& Electrical 工程 Engineering May 2012
年月
500 kV变压器油自动取样装置
石川 1 ,赵铁柱 2 ,刘灿培 2
1. 430072 2. 430072
( 武汉大学电气工程学院,湖北武汉; 武汉大学动力与机械学院,湖北武汉)
500 kV 500 kV /
摘要:近年来国内电网变压器数量迅速增加,采用传统的变压器油取样方法, 变电站主变电抗器在进行色谱、含气量
500 kV
普查中,因取样不合格而需要复查的现象时有发生。针对变压器油取样失真的问题,设计了一套自动取油样装置,给出了取
样油、氮气管路设计方案以及基于单片机技术的控制系统设计方案;同时,分析了几种因素对于取样精度的影响。研究结果表明,该
500 kV
装置能够实现变压器油的高精度、高真空度、高清洁度的自动取样,且操作简便快捷。
500 kV
关键词: 变压器;自动取油样;单片机
A 1001-4551 2012 05-0533-03
中图分类号:TH86;TP29;TM41 文献标志码: 文章编号: ( )
Automatic oil sampling equipment for 500 kV transformer
SHI Chuan ZHAO Tie-zhu LIU Can-pei
1, 2, 2
1. School of Electrical Engineering Wuhan University Wuhan 430072 China
( , , , ;
2. School of Power and Mechanical Engineering Wuhan University Wuhan 430072 China
, , , )
In recent years the number of 500 kV transformers of the national power grid is increasing rapidly. Using the traditional oil
Abstract: ,
sampling method unqualified samples for many 500 kV transformers or reactors resulted in failure monitoring analysis of the
,
chromatogram and gas content. In order to solve the problems of the distortion of the oil samples for 500 kV transformers an automatic oil
,
sampling equipment was introduced. The route of the sampling oil and nitrogen was designed. Based on single-chip puter the
,
control technological proce