L21雷电预警系统在前兆防雷中的应用
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摘要
L21雷电预警系统在呼和浩特基准地震台防雷击试运行发现,雷电到来发出预警并自动切换电源,对前兆设备防雷击起到关键作用,为替代人工断电措施提供安全保障,保证观测记录的正常运行。
The testing operation of L21 lightning warning system in Hohhot basis earthquake station shows that as lightning coming,the device can alarm in prior and switch power supply automatically.It plays a key rule in lightning protection of precursor equipment and is a replacer of manual power-offmeasures to provide security safeguards to protect precursor observation equipment to ensure the normal operation of observation records.
引文
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