Answer / surendran

-The reason may be the secondary circuit is open.

-The rating of the ct may be wrong.

-There may be internal short between the winding turns.

-The insulation resistance of the winding may be less.

Answer / ganesh r

b coz of high current

Answer / siva.e

In 132KV transformer primary voltage is high.but in 6.6KV
transformer primary current is high when compared to 132KV
transformer so the coil get burned.

What is the effect of electric motor stuck in star configuration,

0 Answers  

---

how the rotating magnetic fieldis produced in induction machines??? give the correct explanation.is there any mathematical expression for the same?

1 Answers  

---

What is meant by "tampering detection" of a electrical energy meter?

3 Answers  

---

Does the dg syncronization sucessful in practical.

2 Answers  

---

during parallel operation of two ac generator which condition must match before taking both parallel i.e speed /voltage rating /kva/exciation

2 Answers  

---

what is AMF panel????????

8 Answers   ACC, Shree Cement,

---

Short circuit voltage of a transformer mainly depend on A ohmic resistance of primary B ohmic resistance of secondary C magnitude of leakage flux D cross sectional area of core

1 Answers  

---

What is the ampereage of .75 ton Ac

1 Answers  

---

if the 10 hp motor name plate indicates rated current as 13.6 amp the what will be the thermal relay setting? Why? And in how much time relay will trip at the set value?

2 Answers  

---

exact definition of reactive power in power system

2 Answers   Sreetech,

---

what is transient earth voltage

2 Answers  

---

funtion of choke

4 Answers   L&T,

---