| 用电容式传感器进行变压器绝缘纸板微水分在线测量 |
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| 引用本文： | 戴恒震,孙宝元.用电容式传感器进行变压器绝缘纸板微水分在线测量[J].大连理工大学学报,2001,41(6):707-710. |
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| 作者姓名： | 戴恒震 孙宝元 |
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| 作者单位： | 大连理工大学,机械工程学院, |
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| 基金项目： | 中国输变电行业技术攻关课题 ( Y980 10 2 11) |
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| 摘 要： | 介绍一种绝缘纸板微水分检测系统，它可用于大型电力变压器器身整体干燥过程中绝缘纸板水的质量分数在线实时检测，专门设计的电容式传感器十几米以外的干燥罐中器身的微水分变化；其输出信号经放大、变换后，由微机处理数据并显示水含量。同时给出了传感器的工作原理、结构形式，以及相关软梗件组成。
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| 关 键 词： | 电容传感器 水分 在线检测系统 电力变压器 绝缘纸板 介电常数 |
| 文章编号： | 1000-8608(2001)06-0707-04 |
On-line measuring moisture in pressboard using capacitive sensors |
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| DAI Heng zhen,SUN Bao yuan.On-line measuring moisture in pressboard using capacitive sensors[J].Journal of Dalian University of Technology,2001,41(6):707-710. |
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| Authors: | DAI Heng zhen SUN Bao yuan |
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| Abstract: | An on line measuring system was developed to detect the moisture content of pressboard during the drying process of large transformer body. Signals of moisture content sensed by a specially designed sensor in the drying pot more than 10 meters away from the monitor room were transduced and processed. The result of moisture content was finally obtained and displayed by a personal computer in the system. This paper introduces the sensor structure,software and hardware of the system. |
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| Keywords: | capacitance sensor moisture/on line measure system |
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