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

Answer Posted / 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



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How can we find the breaking capacity of a Load breaker switch (LBS) fed from 11 kv supply??ex:50KA, 26kA etc???detailed step vice answer pls.

1578


Either It Possible a dc Motor to Run On Ac Drive [ Ex : ACS 800 , Yaskawa F7 ] If it is Possible How Pls Inform Me dinesh_elect_eng@yahoo.com

1545


why booster transformer is used in sumpners test conducted on transformer????

3073


What is the implications when 600 hp motor is started when the unit is running with Transformer of capacity 1500 KVA and DG set of 1000kva

1730


Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??

1946






what is thresold of perception

1455


when the Transmission and Distribution network where is the "feeder" lines are located? and why should be used in T&D network.....

1251


What is the difference between Generator Differential Relay and Transformer Differential Relay?

1706


Give me the calculation steps to design an electromagnet to be work in 230V 50 Hz AC Supply. Also give force that is created by that electromagnet when it gets energized.

1809


How to run a three phase motor into single phase........

1563


draw singleline diagram of star to delta and dol starters

1777


what is 30-phase of transformer

1739


What is the magnetic field (coil DC ) of Turbo Expander?

1575


What are the main advantages of bode plot?

687


wow to calculate the transformer rating(KVA)

1666