what is Use of Stones/Gravel in electrical Switch Yard??
Answers were Sorted based on User's Feedback
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 |
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 |
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 |
Direction of flow of active power and reactive power with logic?
how did the testing of protection relays done through current injection
What are protection of transformer on HT side & on LT side?
what are difference between indoor and out door substation
I have a 600VA numeriv digital UPS for computer only. It holds for 15 minutes only. but i am try to using home CFL Light I cant using UPS 2 or 3 secound automatic off .but computer ok how to change this is in to ups ?
what is thyristor, how is it works
what is the significance of 3.5 core cable? or what does this half core mean and why is it required?
Explain difference between aluminium coductor & copper coductor.
explain the meaning of harmonic resonance
There is two transformers of 2MVA & 3MVA, which transformer is located at the sending end & which is at receiving end. why?
WHAT IS MEANT BY SHEATH VOLTAGE IN 132Kv cable?
why does make gain margin and phase margin on same plot.?