| 基于有限元的变压器油中气体检测光声传感器研究 |
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| 引用本文： | 黄会贤,岳彦峰,陈伟根,杜林.基于有限元的变压器油中气体检测光声传感器研究[J].高压电器,2010,46(1). |
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| 作者姓名： | 黄会贤 岳彦峰 陈伟根 杜林 |
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| 作者单位： | 1. 重庆大学输配电装备及系统安全与新技术国家重点实验室,重庆,400030
2. 洛阳电力公司,河南,洛阳,471000 |
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| 基金项目： | 重庆市自然科学基金重点资助项目(CSCT2007BA3002) |
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| 摘 要： | 在变压器油溶解气体检测中,气体检测光声传感器应用效果较好。利用基于有限元的多重物理量耦合软件COMSOLMultiphysic 3.2,模拟了变压器油中溶解特征气体光声传感器光声池内光声信号的分布,分析了腔体的谐振特性以及光声信号随气体浓度的变化规律,实验研究了乙烯气体光声光谱检测特性。理论和实验结果为微量气体探测光声传感器的设计,特别是光声池的几何优化设计提供理论和数据支持。
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| 关 键 词： | 变压器 光声传感器 气体检测 有限元 |
Study on Photoacoustic Sensors for Transformer Oil-dissolved Gas Detection Based on Finite Element Method |
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| HUANG Hui-xian,YUE Yan-feng,CHEN Wei-gen,DU Lin.Study on Photoacoustic Sensors for Transformer Oil-dissolved Gas Detection Based on Finite Element Method[J].High Voltage Apparatus,2010,46(1). |
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| Authors: | HUANG Hui-xian YUE Yan-feng CHEN Wei-gen DU Lin |
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| Affiliation: | 1.State Key Laboratory of Power Transmission Equipment & System Security and New Technology;Chongqing University;Chongqing 400030;China;2.Luoyang Power Supply Company;Luoyang 471000;China |
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| Abstract: | Photoacoustic gas sensors are well applied in transformer oil-dissolved gas detection.In this paper,the distribution of Photoacoustic(PA) signal in PA cell of photoacoustic sensors during transformer oil-dissolved gas detection is simulated based on the software COMSOL Multiphysic 3.2,which couples multiple physical parameters,and the cavity resonant characteristics and variation of PA signal with gas concentration are theoretically analyzed.And experimental investigation to the detection feature of ethylen... |
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| Keywords: | transformer photoacoustic sensor gas detection finite element method |
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