| 冲击电流测试系统中测量误差的试验研究 |
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| 引用本文： | 姚学玲,陈景亮,孙伟. 冲击电流测试系统中测量误差的试验研究[J]. 高电压技术, 2006, 32(3): 12-15 |
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| 作者姓名： | 姚学玲 陈景亮 孙伟 |
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| 作者单位： | 西安交通大学电气学院,西安,710049 |
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| 摘 要： | 从影响冲击电流系统测量精度的因素出发,试验研究了系统接地点、转换装置的连接方式及系统自身的电磁干扰等对测量精度的影响。试验证明:采用单点接地、悬浮测量、减小高压引线与转换装置构成的闭合回路包围面积及电磁屏蔽、电源隔离、浪涌吸收等抗干扰措施可提高系统运行的可靠性及冲击信号测量的精度。
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| 关 键 词： | 冲击电流 悬浮测量 抗干扰 测试系统 测量误差 |
| 文章编号： | 1003-6520(2006)03-0012-04 |
| 收稿时间： | 2005-02-02 |
| 修稿时间： | 2005-02-02 |
Experimental Study on Measuring Error in Impulse Current System |
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| YAO Xueling,CHEN Jingliang,SUN Wei. Experimental Study on Measuring Error in Impulse Current System[J]. High Voltage Engineering, 2006, 32(3): 12-15 |
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| Authors: | YAO Xueling CHEN Jingliang SUN Wei |
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| Affiliation: | (School of Electrical Engineering,Xi’an Jiaotong University,Xi’an 710049,China) |
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| Abstract: | From the view of point of factors that influence measuring accuracy of impulse current system,the many problems which include the selection of voltage reference end,connecting manner of converting apparatus and self electromagnetic interference of impulse current system are studied.It is testified that adapting many techniques can improve the running reliability and measuring precision of impulse signals,this techniques comprise single ended,floating measurement and reducing the area surrounded by high voltage lead and converting apparatus of impulse signal,the all kinds of anti-interference steps are also included,such as electromagnetic shield,power supply isolation and surge absorbing etc. |
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| Keywords: | impulse current floating measurement anti-interference measuring system measuring error |
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