WHAT IS LIGHTNING,HOW TO CALCULATE LIGHTNING DESIGN CALCULATION?

2 Answers   L&T,

---

How we can make sure cable size of LT cable without any parameter.

2 Answers   Paradip Port, Siemens,

---

In HI POT test what is reason for applying the AC VOLTS and DC VOLTS in different applications what is the nessesity for this ?

0 Answers  

---

in three pin plug point, whats the reason that one plug point is bigger in size

4 Answers  

---

i(1)= j0.5 p.u., i(2)= -j0.5 p.u., i(0) =j1 p.u. What kind of fault it is-- a)l-l ,b)l-l-g, c)l-l-l-g, d)l-g.

2 Answers   Areva,

---

---

in our sub station why we step down firstly 33kv\11kv then 11kv to 430v. can we direct step down 33v to 430.v.

18 Answers   Eaton, Siemens,

---

it is possible to run 130V AC and 230 V AC cables run in same tray

2 Answers  

---

What is purpose of reactor?.What is different between line and bus reactor?

0 Answers  

---

we convert 66kv to 33 kv to 11kv to 440v. why can't we directly convert 33kv to 440 ?

9 Answers   EMC, Jakson, L&T,

---

why r we using vaccuum circuit breakers in the place of m.o.c.b.

1 Answers  

---

how much current capacity of 300 sq. mm cable (4 core aluminium) and 150 sq. mm cable ( 4 core aluminium)

3 Answers   Bhel, RR Kabel,

---

what is meant by oil filled power & distrubution transformer ? if anybody know the link of detail about above transformers means plz send it i have interview on this week ? plz help me

3 Answers  

---