Answer / mrudang

earthin is neccesary

basic earthing types

1) plate earthing
2) pipe earthing

why are we doing that ??
i can explain u in detail mail me
malavtrivedi2002@gmail.com

Answer / sbb

There are two types of earthing.they are:
1. Body Earthing
2. Neutral Earthing

Body Earthing: This earthing is used to protect the panels
from short-circuit and if there is current
flow in the panels.That is why body earthing is
necessary.

Neutral Earthing: This earthing is used to make the Neutral
earthed and this is mainly used for Transfor-
mers at star connected side for neutral point.

Answer / dipak

There are two types of earthing 1)earthing:Earthing
arrangement may be used for protective(overcurrent
protecctive device provide protection against inderect
contect and overcurrent)or functional(correct operation of
electrical equipment or to permit reliable functioning of
electrical installation. & 2)equipotential bonding:to
minimize the risk associated with the occurence of voltage
differance between exposed conductive parts of electrical
equipment and extranous conductive parts.

how to select the surge suppresor for the 33 KV supply and what will be the rating, selection guide

1 Answers  

---

Load 380kva eb 415v,load amps 350.Same load dg 415v,load amps 420 what reason ?

1 Answers   AVT Natural Products,

---

How you calculating the 30 Hp 3 phase AC motor of power what size of cable is used for this motor?

0 Answers   Dhanam Enterprises,

---

working of a diesel generator.

34 Answers   ABC, AC, Cognizant, CTS, Directorate of Lighthouses and Lightships, KSL, Quippo, Shree Renuka Sugars, SRF, Svam Power, Tech Mahindra,

---

how to know the diffrential relay setting of 06mva step- down (delta-star)transformer?

0 Answers   IPCL,

---

WHAT ARE THE DATAS REQUIRED FOR SCS SIGNAL LIST PREPARATION?

1 Answers   L&T,

---

What is mean by % impedance of transformer? detail explanations expected.

1 Answers   FCUK,

---

In a closed circuit if two 5volt power supplier are connected in parrel what is the current direction in tihs circuit?

1 Answers  

---

Where I can get the sample question for post of Junior engineer electrical-II For RRB Bhubaneswar.

0 Answers   Noida Power,

---

why buchholz relay installed in inclined position

3 Answers   Eskom,

---

what is F.A.P in fire alarming system?

3 Answers  

---

suppose if oil in transformer is not used than what constructional change you will do,for insulation and cooling?

2 Answers   ABB,

---