Security requires protection

By V Raab, DEHN + SÖHNE GmbH


Published in:

Electricity+Control, April 2015 (pages 20 – 21)

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Security, stability and order are basic needs. In a world of increasingly complex processes, sophisticated technical equipment is required to satisfy these basic needs. In this context, both structural and technical measures such as CCTV systems are decisive to increase the security in buildings and facilities. Failure-free operation of these systems is particularly vital in dangerous and extreme situations to ensure that the required information is transferred and the relevant actions are initiated. False alarms may cause unnecessary costs and make the alarmed group of persons used to alarms so that real alarms may no longer be taken seriously. This would have fatal consequences. False alarms resulting from technical problems can have different causes.

One possible cause is electromagnetic interference with the monitoring systems. During a thunderstorm, a particularly dangerous combination of circumstances occurs: On the one hand, there is always an increased risk of fire resulting from the thermal effect of a lightning strike. On the other hand, a lightning discharge is a strong source of electromagnetic interference which may interfere with the security systems due to conducted interferences and the electromagnetic field. This leads to failure or destruction of the security systems which are then no longer able to indicate a dangerous situation. Therefore, lightning and surge protection measures are required to ensure safe operation of such systems.


Take note

  • CCTV systems are decisive in increasing security in buildings and facilities.
  • CCTV systems are used to monitor public and private rooms, traffic flows and technical systems.
  • Lightning protection standards form the basis for planning and implementing lightning protection measures.