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

Question Posted / sumit patel

4 Answers
16623 Views
Sanghi, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

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

Post New Answer

More Electrical Engineering Interview Questions

I HAVE CONSUMER WHOSE POWER FACTOR IS 65% I WANT TO INCREASE IT TO 98%.HOW TO CARRY OUT?

7 Answers

What is a Servo Stabliser.

2 Answers

wht is the difference between volatge and wattage ? how can it be converted ? (like 15w = 6v ) like tht... ? actually what tht means ?

3 Answers

HOW WE CAN REDUCE THE CIRCUIT COMPLEX OF STAR-DELTA STARTER .BECAUSE NOW WE USING ONE TIMER RELAY & THREE CONTACTOR FOR MAIN,STAR & DELTA ?IF ANY IDEAS PLZ POST.THANK U

0 Answers

how to syncronize two dg sets

3 Answers

What is the working of Field winding in dc motor, in which part is it work or why ?

3 Answers

How can we checked Killo Watts of Motor & Alternator?

0 Answers

Define peak time.

0 Answers

HOW VFD USED IN ENERGY SAVING

8 Answers ITC Infotech,

does the transmission line model also requier active power in no-load operation?

1 Answers

we have taken HV test of 2.5 k and Megger test on 11 kv HT cable.here it shows no fault but when we are charging the same cable with 11 kv supply why the VCB 11 kv gets tripped can anybody define the possible cause of fault ?

4 Answers MAHINDRA,

what is the use of neutral displacement relay

1 Answers OCL,

For more Electrical Engineering Interview Questions Click Here