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雷电对广播电视技术设施传输系统会造成危害,特别是广播电视发射塔如遭雷击,其电源系统及设备容易遭受雷击损坏,轻则导致线路开关跳闸,影响发射站的正常工作,重则造成站内设备及其电源系统中的配电设备损坏,致使整个系统瘫痪,带来严重的经济损失和播出停播事故。本文介绍了雷击危害的方式及广播电视发射塔防护雷击的具体措施。
Lightning can jeopardize the transmission system of radio and television technology facilities. In particular, if a radio and television tower is struck by lightning, its power supply system and equipment are easily damaged by lightning, causing the circuit breaker to trip, which will affect the normal operation of the transmitting station, Equipment and power supply system in the distribution equipment damage, resulting in the entire system paralyzed, resulting in serious economic losses and broadcast off-line. This paper introduces the ways of lightning damage and the specific measures of lightning protection of radio and television tower.