FIELD: electrical engineering.
SUBSTANCE: invention relates to the field of electrical engineering, namely to the dielectric element of a lightning arrester, which can be used to protect electrical equipment and power lines from lightning discharges. manufacture. Technical result is achieved due to the fact that the dielectric element of the spark gap is made in the form of an elongated body mechanically connected to at least two main electrodes and two or more intermediate electrodes. located between the main electrodes, and the intermediate the electrodes are located on the dielectric element with an offset along the dielectric element, and the dielectric element itself is made using a polymer material with the possibility of fixing the shape, the polymer material having elasticity and/or plasticity and selected from the group containing polyethylene, rubber, polyvinyl chloride, polypropylene or polyurethane. In this case, the bending stiffness coefficient of the dielectric element of the lightning arrester is not more than 20 kN/m, 15 kN/m, 10 kN/m, 5 kN/m, 2.5 kN/m or 1 kN/m.
EFFECT: reducing the discharge voltage, as well as simplifying the manufacture and installation of a dielectric spark gap.
13 cl, 3 dwg
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Authors
Dates
2022-12-22—Published
2014-04-04—Filed