Answer / aladdin

hi,
earthing one of the most important protection in your system it protect human of the static voltage that occur in ur system that might kill in some cases and it protect the signal of the electronic devises from noise and damage.

Answer / s.sakthivel

Basically three type of fault develop in the circuits
1, open circuits
2, short circuits
3,loose conection
4,body short

first three electrical fault are directly not distrub humen
and apparatus and last one (body shor) fault is directly
distrub humen and apparatus
so , body short fault time current is to discharge to
ground by the root of earth electrod, so we are addapted
every apparatus earthing system(vanthni@yahoo.com)

what is the working process of over & under voltage relay.

0 Answers   NTPC,

---

On what basis do you decide the ONAN (Oil Natural air natural) or Dry type transformer for a project?

0 Answers   Semac,

---

Can anyone send details regarding motor protection relays ? their manuals please ?

1 Answers  

---

If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

2 Answers   Focus,

---

do we use links in a dc circuit?if so what s its use in it?

0 Answers  

---

---

Why do we use center tap transformer that used with portable tools

0 Answers  

---

What is difinition of HIGH RESISTANCE FAULT and LOW RESISTANCE FAULT?

3 Answers  

---

Why 11KV PT Secondaries [(11000/1.732)/(110/1.732)/ (110 / 3)]are in star connection ? And why the same should not be in delta ?

1 Answers  

---

what's the outstanding feature of universal motor?

2 Answers   Tanfac,

---

What is the basic principle of welding process?

0 Answers  

---

Can anyone tell me what will happen if AC & DC supply get mixed???

9 Answers  

---

advantages & Disadvantages of Solar power system?

2 Answers  

---