| PLC在公路隧道监控系统中的应用 |
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| 引用本文： | 阳永安.PLC在公路隧道监控系统中的应用[J].电工标准与质量,2005,20(2):18-20. |
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| 作者姓名： | 阳永安 |
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| 作者单位： | 深圳惠盐高速公路有限公司 广东深圳 |
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| 摘 要： | 盐田坳隧道计算机控制系统成功应用，完全改变了隧道监控系统继电器——接触器传统控制模式．中长隧道因控制电缆过长，电缆芯数多，控制电缆又多，感应电压引起泄漏电流过大，隧道内各种干扰源多的特点，对监控系统的干扰问题得到彻底解决．
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| 关 键 词： | 电气设备 计算机控制系统 PLC 隧道 系统软件 抗干扰 |
Application of PLC in the Inspection and Control System of Highway Tunnels |
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| YANG Yun-an.Application of PLC in the Inspection and Control System of Highway Tunnels[J].Journal of Changsha University of Electric Power(Natural Science Edition),2005,20(2):18-20. |
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| Authors: | YANG Yun-an |
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| Abstract: | Successful application of computer controlling system in Yantianao Tunnel has totally changed the traditional controlling pattern of relay-contactor for tunnel inspection and controlling.It has solved the problem of system disturbance in medium-long tunnel with over-length controlling cable,multiple core,miscellaneous cables,large leaking current caused by induction voltage and various interference source. |
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| Keywords: | elective equipment computer controlling system PLC tunnel system software interference-proof |
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