| 提高四线制道岔控制电路防雷能力的研究与设计 |
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| 作者单位： | ;1.兰州交通大学自动化与电气工程学院;2.兰州交通大学光电技术与智能控制教育部重点实验室 |
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| 摘 要： | 针对目前道岔控制电路不设防雷浪涌保护器的现状,以四线制道岔控制电路为例,提出加设浪涌保护器的构想及实施方案,采用失效模式与影响分析方法详细分析加设浪涌保护器对既有控制电路的影响,经过分析,该方案没有安全隐患,能大幅提升既有控制电路的防雷能力。
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| 关 键 词： | 道岔控制电路 防雷 浪涌保护器 四线制 |
Research on Improving Lightning Protection Ability of the Control Circuit for the Four-wire Switch |
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| Affiliation: | ,School of Automation & Electric Engineering, Lanzhou Jiaotong University,Key Laboratory of Opto-Electronic Technology and Intelligent Control of the Ministry of Education,Lanzhou Jiaotong University |
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| Abstract: | In view of the current situation that the switch control circuit is not equipped with surge protective device,this paper puts forward in detail the conception and implementation of additional surge protective Devices,and the adoption of Failure Mode and Effects Analysis( FMEA) to analyze the influence of installing the devices on the existing control circuit. Analysis shows that the scheme can greatly improve the lightning protection capability of the existing control circuit without any hidden trouble. |
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| Keywords: | Lightning protection Surge protective device(SPD) Switch control Circuit Four-wire |
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