| 长距离管线监测系统的一种智能化过流防护方法 |
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| 引用本文： | 王涌,刘丽华.长距离管线监测系统的一种智能化过流防护方法[J].电子器件,2002,25(2):133-135. |
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| 作者姓名： | 王涌 刘丽华 |
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| 作者单位： | 华北电力大学,北京,102206 |
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| 摘 要： | 介绍了长距离管线监测系统的一种智能化过流防护方法，详细说明其电路设计原理及相关元件的选择，并与串联自复过流保护元件方式相比较，分析其整体性能，说明其具有响应速度快，安全可靠等特点。
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| 关 键 词： | 采样电路 电压比较器 光电隔离器 |
| 文章编号： | 1005-9490(2002)02-0133-03 |
| 修稿时间： | 2001年11月5日 |
A Intellectualized Defending Method of Excessive Current on the Monitoring System in the Long-distance Pipeline |
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| WANG Yong,LIU Lihua.A Intellectualized Defending Method of Excessive Current on the Monitoring System in the Long-distance Pipeline[J].Journal of Electron Devices,2002,25(2):133-135. |
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| Authors: | WANG Yong LIU Lihua |
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| Abstract: | In this paper, a intellectualized defending method of excessive current on the monitoring system in the long distance pipeline is introduced, the designing theory of the circuit and the selecting method of the correlative components is explicated, and the integer performance comparing with that of a safeguarding element in series that can be resumed by itself when current is excessively arised is analyzed, the trait of the system with quick response and credibility is accounted. |
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| Keywords: | sampling circuit voltage comparing component photoelectric separate component |
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