| Bi-2223高温超导带材焊接接头电阻和过电流冲击性能实验研究 |
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| 引用本文： | 朱志芹,赵祥,王银顺,惠东,韩军杰,李晓航.Bi-2223高温超导带材焊接接头电阻和过电流冲击性能实验研究[J].低温物理学报,2006,28(2):185-190. |
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| 作者姓名： | 朱志芹 赵祥 王银顺 惠东 韩军杰 李晓航 |
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| 作者单位： | 1. 中国科学院电工研究所,应用超导实验室,北京,100080
2. 特变电工股份有限公司,昌吉,831100 |
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| 摘 要： | 特变电工股份有限公司,昌吉831100采用自行研制的装置,对不锈钢加强Bi2223/Ag高温超导带材的焊接工艺进行了系统研究,得出最佳的焊接方案.实验测量高温超导带材焊接头的直流电阻,并对带材进行了交流过电流冲击实验,冲击时间为0.5秒,每次冲击的电流依次递增,并在每次冲击后测量焊接头的电阻,直到被测带材烧毁.根据实验数据对样品在过流冲击下的动态电阻进行实验研究,得到了具有实际意义的结果.
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| 关 键 词： | Bi-2223高温超导带材 焊接 接头电阻 过电流冲击 动态电阻 |
| 收稿时间： | 10 10 2005 12:00AM |
| 修稿时间： | 02 15 2006 12:00AM |
WELDING JOINT RESISTANCE AND OVER CURRENTAC IMPULSE OF HIGH-TEMPERATURE SUPERCONDUCTING TAPE OFBi-2223 |
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| Zhu Zhi-Qin,ZHao Xiang,Wang Yin-Shun,Hui Dong,Han Jun-Jie,Li Xiao-Hang.WELDING JOINT RESISTANCE AND OVER CURRENTAC IMPULSE OF HIGH-TEMPERATURE SUPERCONDUCTING TAPE OFBi-2223[J].Chinese Journal of Low Temperature Physics,2006,28(2):185-190. |
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| Authors: | Zhu Zhi-Qin ZHao Xiang Wang Yin-Shun Hui Dong Han Jun-Jie Li Xiao-Hang |
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| Institution: | 1.Institute of Elecreical Englneering,Chinese Academy of Sciences ,Beijing 100080 ;2. Company of Tebiandiangong, Changji 831100 |
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| Abstract: | We studied the welding technology of high-temperature superconducting high-strength tape of Bi-2223/Ag to optimize the welding technology using our self-developing equipment. In the experiments we measured the direct-current resistance at the high-temperature superconducting tape joint and applied the tape with over-current AC impulse. The time of impulse is 0.5 second, and the value of the pulse current increased gradually. We measured the resistance of the joint after every pulse. We impulse the tape until the tape was damaged. According to the experimental data we research the dynamic resistance of tape under over-current impulses and drew a practical conclusion. |
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| Keywords: | high-temperature superconducting tape of Bi-2223 welding joint resistance over-current AC impulse dynamic resistance |
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