发光接触的光学发射光谱表征

Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts Pub Date : 2007-09-24 DOI:10.1109/HOLM.2007.4318201

Xin Zhou, J. Shea

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引用次数: 8

摘要

发光隐形眼镜是一种有趣而复杂的现象。它们可能与住宅电弧故障和火灾危险有关。以往的研究表明，储层需要一定的环境和当前条件。本文的目的是进一步了解它们的形成机制。利用光学发射光谱法研究了沿发光接触面的气体状态。使用高速摄像机观察帧率高达150 fps的发光接触行为。基于发射光谱和高速视频图像，分析了接触界面电流传导机理。这些结果与不同电流水平下的发光接触行为相关，并确定了三种模式。

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Characterization of Glowing Contacts using Optical Emission Spectroscopy

Glowing contacts are an interesting and complex phenomenon. They may be associated with residential arc faults and fire hazards. Previous investigation has shown that formation needs certain environmental and current conditions. The aim of this paper is to provide further understanding of their formation mechanism. Optical emission spectroscopy was employed to investigate the state of gases along the glowing contact surface. A high-speed video camera was used to observe glowing contact behavior at frame rates up to 150 fps. Based on emission spectroscopy and high-speed video images, analysis was carried out into the mechanism for current conduction at the contact interface. These results were correlated to glowing contact behavior at different current levels and three modes were identified.

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Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts

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