256HC Mast Section he role of tower crane track grounding and what are the specific requirements
What is the role of tower crane track grounding and what are the specific requirements?
Tower crane grounding can not only be used as a repeated grounding of TN-S neutral protection system of temporary power project on site, but also as lightning protection grounding of tower crane itself.
In order to fully reflect the dual significance of tower crane grounding, tower crane grounding shall meet the following requirements:
(1) the power frequency grounding resistance of the grounding device shall not be greater than 10 Ω.
(2) the grounding device shall have two electrical connections with the tower crane track.
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