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Lightning / Grounding and Building tools technology leading company JOINFS

Grounding/Lightning protection

  • minimize casualties and property losses.

  • In order to prevent damage caused by lightning, which is one of the EMI phenomena, basic measures should be taken to protect various electronic equipment from surges and to protect major structures directly from lightning strikes.

    The purpose of the lightning arrest facilities is to control the discharge path of lightning to minimize casualties and property losses.

    The necessity of lightning arrest facilities shall be reviewed and analyzed in the early stages of architectural design and the protection level shall be established by comprehensively reviewing various technical standards.

  • Lightning protection design consideration

  • Possible loss of life damage
    Possibility of damage of to equipment or structures
    Possibility of additional damage spread in relation to paragraphs 1 and 2 above
    Importance and publicity of equipment
    Possibility of indirect damage caused by transportation in case of equipment damage
    Historic importance for buildings
    Possibility of secondary damage caused by flammable or explosive substances caused by lightning
    Possibility of damage to major equipment due to discharge between metallic structures and equipment, such as ships.

    The assessment under the above considerations should be reviewed in a complex way from a risk, economic and aesthetic standpoint, but in fact, the assessment is not simple.

    In addition to the above considerations, the assessment of the location of the protective structure should be Theoretically, the expected number of lightning strikes per unit area can be calculated to statistically analyze the lightning hazard for the protected structure, and such statistical analysis requires a very delicate review

    While the probabilistic review of lightning strikes is a very important item to consider for the need for lightning installations, the above eight considerations are more important than this.

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