Answer / k.prakashchandra

Yes. To prevent neutral shifting,to provide protection and
to make earth wire useful

how to identify the direction flow of electrons in a conductor? if i want to check the sequence in kv lines, is any device is available?

3 Answers  

---

what is difference between 2wire method and 4wire method of winding resistance testing of transformer?

1 Answers  

---

Zone of protection and tripping scheme of arc protection relay.

0 Answers   KSEB, L&T, Siemens,

---

What are the tests to be done on circuit breaker?

1 Answers  

---

why we are using auto transformer in sub station mostly???

2 Answers  

---

which motor is suitable for traction? why?

15 Answers   BCH, KPCL,

---

what is the difference between megger and earth tester?

28 Answers   Ashok Leyland, IOCL, RRL,

---

how to maintain ht line?

0 Answers  

---

How can I calculate the require lumen of a room. If I use Tube Light (40 W), Or 100 W incandescent lamp. Please give detail answer.

1 Answers  

---

why power dissipation is due to low frequency?

1 Answers  

---

15hp,380v,31amp,3-ph submersible motor run at 250v what is The temperature rise of submersible motor

1 Answers  

---

what is auxilliary transformer??

3 Answers   Bhel,

---