| 扩散型真空电弧的弧后电流 |
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| 引用本文： | 邹积岩,程礼椿,伍小生. 扩散型真空电弧的弧后电流[J]. 华中科技大学学报(自然科学版), 1993, 0(6) |
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| 作者姓名： | 邹积岩 程礼椿 伍小生 |
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| 作者单位： | 华中理工大学电力工程系(邹积岩，程礼椿)，华中理工大学电力工程系(伍小生) |
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| 基金项目： | 霍英东教育基金资助项目 |
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| 摘 要： | 研究了一种新的弧后电流测试方法;以较高的灵敏度和抗干扰能力测得了扩散型真空电弧的弧后电流值;给出了计算与实测的比较结果;分析了不同电源条件下的弧后电流.文中指出,扩散型真空电弧的分断极限是由电击穿决定的,而不由弧后电流引起的热击穿所定.
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| 关 键 词： | 真空开关 扩散型电弧 弧后电流 零区现象 介质恢复 |
The Post-Arc Current of the Diffused Arc in a Vacuum Circuit Breaker |
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| Zou Jiyan Cheng Lichun Wu Xiaosheng. The Post-Arc Current of the Diffused Arc in a Vacuum Circuit Breaker[J]. JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE, 1993, 0(6) |
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| Authors: | Zou Jiyan Cheng Lichun Wu Xiaosheng |
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| Affiliation: | Zou Jiyan Cheng Lichun Wu Xiaosheng |
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| Abstract: | This paper presents a new method for post-arc corrent measurement. It is suitable for diffused vacuum arcs and of fairly high sensitivity and good anti-interference ability. Meas ured and calculated results of the post-arc current level under different recovery voltage conditions are given. It has also been found that diffused vacuum arcs with a high current gives a low post-arc current and that the limitation to the breaking capacity for diffused arcs is due to electric field breakdown rather than to thermo-breakdown by post-arc current. |
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| Keywords: | vacuum circuit breaker diffused arc post-arc current phenomena near zero point dielectric recovery |
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