...讯 关键词: 低压电器 开关电弧 图像增强 中值滤波 拉普拉斯锐化[gap=973]Key words: low- voltage apparatus; switching arc; image enhancement; median filter; laplacian sharpening...
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开关断路电弧 switching-off arc
The subject of this dissertation received National Natural Science Funding (60675014 Motion Mechanism and Simulation Research on Low-voltage Electrical Switching Arc).
本文所做的课题获得了国家自然基金(60675014低压电器开关电弧运动机理及仿真研究)的资助。
参考来源 - 低压交流接触器电弧动态数学模型和温度场仿真研究·2,447,543篇论文数据，部分数据来源于NoteExpress
结果表明，分段电弧模型能够准确地模拟隔离开关电弧的物理过程，对于VFTO的数值计算与特性分析是实用的。
It is indicated that the physical process of arc is modeled precisely by the novel arc model and the VFTO peak values and frequency distribution are varied with different arc models.
由于开关电弧的发光特性和电器触头系统及灭弧室的反光特性，使从高速图像采集系统拍摄到的图像中很难观察到电器触头。
It's difficult to find contact from the image photographed by high-speed image sampling system because of the light reflection characteristics of switching arc, contact and interrupter.
对快速接地开关（HSGS）熄灭潜供电弧的机理进行了分析。
The mechanism of secondary arc extinction by high speed grounding switches (HSGS) is analyzed.
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