Answer / pratheesh

Soil resistance varies in different layers of the soil. It
is always less in the outer portion of the earth. And as
the depth increases, we get very low resistance.
In vertical positioning, earth plate gets more contact with
different layers of the soil thats y we get very low
resistance in that particulat earth system.

Answer / jamal_bsp

Plate earthing is better laid in vertical position since
it will require less excavation .However horozental
position will also suffice the purpose.

How can I known multiplying factor .without multiplying table

0 Answers   Student,

---

Why two nos. un-tensioned wires are placed inside the PSC poles used by powergrid in RGGVY works.

2 Answers   Bhel, Power Grid,

---

what is bus duct and what is differance between bus duct and bus bar

6 Answers  

---

Actually why the transformers are rated in KVA.?

4 Answers   BSL, Engineering,

---

what is earth resistance? how to measured? and give values at power station and mcc area?

0 Answers   Essar,

---

how to calculate differential current when we testing differential relay..suppose we have 1000kw generator,630amp VCB,what value we should put /inject so that relay trip the VCB? PLLZ justify ur comment

0 Answers  

---

what is the minimum dielectric stregth of transformer oil.

25 Answers   HP,

---

what is scan time of PLC & in which factor scan time is decide

3 Answers   EEEC,

---

What is meant by line losses, how do you prevent the losses?

3 Answers  

---

What is the function of isolater

4 Answers   Getco, Gland Pharma,

---

how generater works

4 Answers  

---

Hello friends i am facing one problem in lighting panel. Frequently neutral link near to MCCB is burning(firing. What may be the reason for this one. Please answer me.

5 Answers  

---