| 变压器油中溶解气体在线监测系统的研制 |
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| 引用本文： | 刘晓峰,张深波,杨志学. 变压器油中溶解气体在线监测系统的研制[J]. 化工时刊, 2012, 26(4): 23-26 |
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| 作者姓名： | 刘晓峰 张深波 杨志学 |
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| 作者单位： | 1. 浙江工业大学化学工程与材料学院,浙江杭州,310014
2. 宁波澳伟监测科技发展有限公司,浙江宁波,315000 |
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| 摘 要： | 针对变压器油中溶解气体在线监测系统进行研究与设计,分析了系统的组成及工作原理并且介绍了油气分离,气体分离和检测以及数据采集与处理3个关键技术。油气分离部分采用全自动真空脱气装置,并使用单根复合填料色谱柱和灵敏度高的SnO2气敏传感器对混合气体进行有效的分离与检测,利用工业嵌入式计算机和数据采集模块对信号进行快速采集,通过上位机对数据进行分析、处理和储存。实验室测试结果表明,该系统具有实时检测、高精度和高性价比的特点。
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| 关 键 词： | 变压器 在线监测 油气分离 色谱柱 传感器 |
The Study of Transformer Oil Dissolved Gas on - Line Monitoring System |
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| Liu Xiaofeng , Zhang Shenbo , Yang Zhixue. The Study of Transformer Oil Dissolved Gas on - Line Monitoring System[J]. Chemical Industry Times, 2012, 26(4): 23-26 |
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| Authors: | Liu Xiaofeng Zhang Shenbo Yang Zhixue |
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| Affiliation: | Liu Xiaofeng Zhang Shenbo Yang Zhixue(College of Chemical Engineering and Materials Science,Zhejiang University of Technology, Zhejiang Hangzhou 310014; Ningbo Beallwell Monitoring Technology CO.,Ltd,Zhejiang Ningbo 315000) |
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| Abstract: | This paper designed an online monitoring system for the gas in the oil of the transformer.The composition of the system and the working principle were analyzed.It focused on three critical techniques,Oil and gas separating part adopts automatic vacuum degassing device,the separation and detection of mixed gases can be achieved respectively by a single composite filler of chromatographic column and a high sensitivity SnO2 gas sensor.Industrial embedded computer and data acquisition modules are used to acquire the signal quickly,then through the host computer for data analysis,processing and storage.Laboratory test results show that the system has high detection accuracy and high performance price ratio. |
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| Keywords: | transformer online monitoring oil and gas separation chromatographic column gas sensor |
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