专用铁路站场监控设备的综合防雷技术分析与措施(续)  

Technical Analyzing and Measures of Comprehensive Lightningproof for Monitoring Equipment in an Enterprise Railway Station (Cound.)

作　　者：薛荣果 

机构地区：[1]中国铝业山西分公司运输部,山西河津043300

出　　处：《有色设备》2010年第5期36-37,51,共3页Nonferrous Metallurgical Equipment

摘　　要：由铁路站场电视监控设备受雷电侵袭的实例说明防雷的必要性。分析直击雷和感应雷的危害,针对感应雷损坏电子设备比例高的情况,结合站场实际情况,对监控系统的5个关键环节提出综合防雷措施,指出选择避雷器的注意细节和数据传输线路避雷器的选择依据。The Necessity of lightningproof is being given through some true examples of lightning strikes to television surveillance devices in an enterprise railway station. Analyzing harms of direct lightning strikes and induced lightning strikes,comprehensive lightningproof measures are given for five important parts of the monitoring system according to the situation that much more electronic units are damaged by induced lightning strikes and to the condition that the railway station is in. Some attentive details about selection of a lightning arrester and some basic principles about choice of the lightning arrester for data transmission line will be provided.

关 键 词：电视监控 防雷 等电位 电源防雷器 信号避雷器 

分 类 号：TM862[电气工程—高电压与绝缘技术]