Answer / k.prakashchandra

All electronic equipments require a seperate earthing ,to
avert adverse effect of high voltage surges caused by earth
faults .

Answer / viral

I will like to add one more reason, in case the earthing
opens between panel and ground then the fault tend to
divert directly to PLC panel. This in return will blow off
cards in PLC. Thus the earthing is kept different.

How to calculate amount of copper used in a motor (AC&DC), generator and transformer? Datasheet provides power rating and mass of the equipment....can we somehow use this available info.

1 Answers  

---

why the active power flow of some line is increased when the active power of out is cut ?

0 Answers   TAFE,

---

apti mainly on logical reasoning, verbal and non-verbal ability (70 percent) and remaining technical. I was in ee but technical had mech ques like on turbines and welding.

0 Answers   TATA,

---

what is the right cable size for 100 hp mpter.

3 Answers  

---

if earthing is used in place of neutral how the circuit completd.

7 Answers   Epitome,

---

---

What is the purpose of starter and choke in tube light?

9 Answers   Chimay Brewery, TATA, TSPL,

---

How to calculate that clean water supply in one Day from 150 KLD STP?

0 Answers  

---

how to understand the controling circuits example star- delta-starter controling daigram please let me know

3 Answers   GMR,

---

which type of stability limit is higher,steady state or transient? why?

0 Answers  

---

how to calculate the breaking capacity of different breakers.

0 Answers   UltraTech,

---

what is neutral ground resistance relay? how it is helpful in protecting system?

5 Answers  

---

why the capacitor bank unit is kvar

3 Answers   Infosys, L&T,

---