How the Transformer oil testing is done & Why oil dielectric goes LOW & what is solution for that ??

3 Answers   NTPC,

---

rrb question

0 Answers  

---

what is buffer resistance starter.?.What is the working principle and where it is used..?

0 Answers  

---

Explain about 3 phase motor fault current calculation with examples?

0 Answers   QTC,

---

my motor rating is 800HP, 128Amps, 3.3kV. What is capaitor bank i can use for PF improvement to 0.990?

3 Answers  

---

---

Ho de we calculate the line loss of a 500 kv line over 1000km.

1 Answers  

---

working principle of current sensing relay? how its work?

1 Answers  

---

how to calculate the no load current in transformer?

0 Answers  

---

WHY CFL can't made in shape of bulb.

5 Answers  

---

we have 400kv/6.6kv transformer ,it has total 9 taps on HV side with normal tap on tap no 5.when we took the ratio test we observed that ratio was decreasing from tap 1 to tap 5 and was found increasing from tap 5 to tap 9.What is the reason?if anyone have related document then please send me on the email id ankushbahale@gmail.com......plz plz

1 Answers  

---

effect of single phase transformer on full load current?

2 Answers  

---

in alternator why on load terminal voltage is less than no load teprminal voltage

1 Answers  

---