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Temperature measurement and arc rotation observation of spiral-type contact

机译：螺旋接触器的温度测量和电弧旋转观察

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摘要

In this paper, the authors report the relation between the arc rotation and the temperature of contact surface. The interruption tests were performed with the vacuum chamber equipped with spiral-type contacts. The rotation of vacuum arc was observed with high speed cameras from two different directions. The temperature of the contact surface was estimated from emission intensity measured by high speed camera with the infrared band-pass filter. Local surface overheating occurs with slow-speed arc rotation, whereas surface temperature rises homogeneously with high-speed arc rotation. In addition, differences of arc behavior certainly effects on the interrupting performance.
机译：在本文中，作者报告了电弧旋转与接触表面温度之间的关系。中断测试是在配备有螺旋型触点的真空室中进行的。用高速相机从两个不同的方向观察到真空电弧的旋转。接触表面的温度是由带有红外带通滤光片的高速照相机测得的发射强度估算的。慢速电弧旋转会导致局部表面过热，而高速电弧旋转会导致表面温度均匀上升。另外，电弧行为的差异当然会影响中断性能。

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