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Conductive Clothing for Live Line Working

pubblicazioni - Memoria

Conductive Clothing for Live Line Working

In questo lavoro si analizzano sia sperimentalmente sia numericamente l’efficacia di protezione delle tute conduttive che si utilizzano durante lavori sotto tensione.

The product standards regarding LLM conductive clothing are now under revision, with the main scope of giving prescriptions about their usage at voltages up to 1.000 kV, instead of 800 kV currently prescribed as maximum usage voltage. In order to guarantee safety and comfort of the operators in the UHV field, a lower electrical resistance combined with a higher shielding efficiency of the conductive fabrics and clothing are requested. In this way a higher equipotentiality is guaranteed and capacitive currents that may affect the operator’s body are reduced. In this paper are explained the activities carried out in Italy in order to develop fabrics and clothing suitable to the usage to voltages up to 1.000 kV. With the aim of finding out the best meshing to use for the making of clothing and facial shieldings, both experimental investigations and simulations with calculation code have been carried out. Test activities effected to verify the performances of the products developed or being developed, have been executed in compliance with the prescriptions of the standard currently in use and with the proposals of revision of the same standard

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