what is Use of Stones/Gravel in electrical Switch Yard??

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what is Use of Stones/Gravel in electrical Switch Yard??..

Answer / niharika

Stones/gravel is provided to reduce step potential and touch potential.
also avoids the accumulation of water in rainy season as it increase the step potential and touch potential.

Is This Answer Correct ?    17 Yes 0 No

what is Use of Stones/Gravel in electrical Switch Yard??..

Answer / shivaji mande

-Reducing Step and Touch potentials during Short CircuitFaults
-Eliminates the growth of weeds and small plants in the yard
-Improves yard working condition
-Protects from fire which cause due to oil spillage from transformer and also protects from wild habitat.

Is This Answer Correct ?    11 Yes 0 No

what is Use of Stones/Gravel in electrical Switch Yard??..

Answer / karthik kv

Stones/Gravels are used in substations mainly for two reasons:
1. to prevent vegetation and
2. to maintain the soil resistivity/substation earth
resistance when rainfall occurs.

Is This Answer Correct ?    6 Yes 4 No

what is Use of Stones/Gravel in electrical Switch Yard??..

Answer / pnverma19

Stone are use in yard to increase a foot surface area bcoz surface area increase resistance increase so in faulty condition save fr human life all current flow through the earthing bcoz current always follow a low resistance path.....

Is This Answer Correct ?    0 Yes 6 No

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