L46A1 Mast Section What is the function of grounding the tower and what are the specific requirements


What function does tower hang track ground have, what is specific requirement?

L46A1 Mast Section

Tower grounding can not only serve as a repeated grounding of the TN-S connection zero protection system for temporary power engineering on the spot, but also serve as a lightning protection grounding for the tower crane itself.
In order to fully reflect the dual significance of Tower grounding, tower grounding should meet the following requirements:
(1) The power frequency earth resistance of the grounding device shall not exceed 10 Ω.
(2) The grounding device shall be electrically connected to the tower suspension track in two places.

L46A1 Mast Section

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