how we can calculate earth fault current?

1 Answers   Alchemist,

---

What is meant by operating sequence of VCB : 0–0.3sec.–CO– 3min.-CO

2 Answers  

---

In Ferantti Effect Receiving end voltage is greater than sending end voltage but how it is possible. I know its all about charging current but give me some more detailed explaination?

3 Answers  

---

What are protection of transformer on HT side & on LT side?

4 Answers  

---

how to calculate 3 phase clearance in Tower line , 33& 11 KV Line and LT Line.

1 Answers  

---

What does the letter CTNM in negative phase sequence relay means?

0 Answers  

---

what different in delta & star connection in motor?explain

5 Answers   Bhushan Power Steel, Hyundai, KPCL, L&T,

---

What should be distance required in between two phase of HT cionductors in open area??????

3 Answers  

---

In a 11kv/433v transformer,at the LT side ie 433 V side why do we need to put 3.5 core Cable upto Panel.The full load rated Amps is 666 at LV side.What value of current will flow through the Nuetral Conductor.Why can't we use 4Core Cable instea of that?

2 Answers  

---

i have applied for junior engineer 2 c&w for Guwahati RRB please send me last five year question paper

0 Answers  

---

why after termination of HT cable armoured earth connected one end, why not connect other end.pls tell me correct answer.

3 Answers  

---

A.V.R maintains the voltage of a generator when it is in island mode but when the generator is synchronised with grid it maintenance the P.F,how it happens please any body explain it in detail.

2 Answers   TATA,

---