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… wind turbines … protects hazard warning systems

Due to their exposed location and height, wind turbines If lightning strikes or surges destroy hazard warning
are susceptible to lightning strikes. This may damage systems, safety-relevant functions of the system may fail.
the rotor blades or electrical and electronic components, If emergency call or fire alarm systems are no longer avail-
resulting in downtime and high repair costs. To ensure able, people are at risk. Surges also frequently cause false
uninterrupted operation and amortisation of the high alarms which can result in very high costs. It is, therefore,
investment costs, wind turbines must be integrated in a essential to integrate hazard warning systems in a light-
lightning and surge protection concept. ning and surge protection concept.

Leading wind turbine manufacturers rely on lightning and Hazard warning system manufacturers have tested and
surge protection solutions from DEHN, a market leader approved BLITZDUCTOR XT combined arresters.
with long-standing experience and international presence.
DEHN protects human life in dangerous situations.
DEHN not only offers surge protective devices, but also
external lightning protection systems including air-termina-
tion systems, down conductors and earth termination sys-
tems. In addition, the company pursues new customised
solutions. A good example of this is the BLITZDUCTOR XT
combined arrester, which is used to protect pitch controls
and data systems, e.g., when measuring the wind speed
and direction.
DEHN protects investments in wind turbines.

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