what type of earthing is done on hilly rocks.

Question Posted / naveen

4 Answers
17765 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

what type of earthing is done on hilly rocks...

Answer / pappu meena

Jel earthing should be done in rock/hill areas.

Is This Answer Correct ?

10 Yes

3 No

what type of earthing is done on hilly rocks...

Answer / munish sharma

In Rocky Area the soil resistivity comes out to be very
high.The overall grounging structure is based on following
criteria
1.Area Of the Switchyard
2.Surface Layer Resistivity
3.Soil Structure
4.Safety PArameters
5.Fault Current Distribution
There Are Certain Techniques in case of HIgh Soil
Resistivity as
1.Deep Groung well Earthing
2.If area is limited of the Switchyard,use Remote grid
along with main grid buried in low resistivity material
3. Soil Treatment
4. Use Grounging rods to take effect of deeoer low
resistivity layers

Is This Answer Correct ?

6 Yes

2 No

what type of earthing is done on hilly rocks...

Answer / amit

Strip type earthing is best in Rocky soil earth

Is This Answer Correct ?

2 Yes

1 No

what type of earthing is done on hilly rocks...

Answer / leturtle

Totally depends on your application. Is the ground 'solid'
rock or fragmented mixed in with other material?

What kind of rock? Limestone, granite, mudstone, sandstone?

Depending on the type of rock will determine what solution
will best fit.

Is there any top soil on the surface?

Is This Answer Correct ?

5 Yes

6 No

Post New Answer

More Electrical Engineering Interview Questions

What is meant rectifiers..

1 Answers MTS,

what is the wattage of 'zero watt' bulb?

16 Answers PSEB,

How supply comes to your home?

3 Answers

What is EHT(Abrebiation,Function,Voltage Regulation & how it works?

2 Answers Adhunik,

Rules and standards of electrical control wiring ?

0 Answers

can u please tell me how VFD(variable frequency) drive is used as a energy saver....?

12 Answers Essar, Oracle,

how do you find making current and breaking current of the circuit breaker

1 Answers

What should be the protection scheme for a 15kw, 3-phase motor working in a lathe machine.

0 Answers

what is the main use of ac and dc drives ? it is only used for speed variation or for power saver also?

1 Answers

What is the function of electron gun used in crt?

0 Answers

what is the difference between switchgear and circuit breakers and is there any difference between outdoor and indoor switchgear and circuit breakers , and how would you differentiate between switch yard and substation and grid station . thanks

0 Answers ABC,

what is advantage of using star to delta in place of dol starter

4 Answers

For more Electrical Engineering Interview Questions Click Here