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Lightning and surge protection in the tower base






















                                                     A                   B E










                                                         C











                                              D













            A comprehensive lightning protection concept comprises   with an optional integrated backup fuse and remote sig-
            the protection of the nacelle and surge protection in the   nalling contact. The protective modules can simply be re-
            tower base. In the tower base, both the medium- and   placed when necessary.
            low-voltage power side and the data side require protec-  However, if the main aim of the concept is to make sure
            tion.                                            that the system is safe after the protective device has over-
                                                             loaded, DEHN V SCP arresters can be used. Overloading
            Depending on the concept of the wind turbine manufac-  the arrester causes a defined short-circuit in the protective
            turer, technologies with different end of life behaviour   device. This triggers the upstream protective element and
            can be applied to the protective devices for inverters. If   disconnects the system being protected.
            permanent availability is paramount, arresters with a de-
            fined disconnection of the protective element from the   Whatever your concept, we are here to offer
            current circuit in case of overload are preferable. These    you advice!
            devices from the DEHNguard  family are also available
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