Can you explain operating principle of Inverse Definite Minimum Time” (IDMT) relay

2 Answers  

---

what should be the air clearence between phase to phase, phase to earth in Medium voltage switchgear for 3.3kv,6.6kv,11kv,22kv and 33kv? Which is to be referred for this?

1 Answers   DLF, Sanmar, SEC,

---

why generation voltages are 6.6kv or 11kv and why not some one give that stander that generation voltages are 5kv or 12kv?

1 Answers   AES,

---

3phase lt motor winding how to checking with megger

1 Answers  

---

how to calculate full load current of transformer & induction moter ?

2 Answers  

---

Explain how Hormonics will effect the Electrical System?

5 Answers  

---

How can we find the breaking capacity of a Load breaker switch (LBS) fed from 11 kv supply??ex:50KA, 26kA etc???detailed step vice answer pls.

0 Answers  

---

why motor burns ?

5 Answers  

---

what is voltage

7 Answers   TCS,

---

How we can change the direction of rotation of Induction motor? Prove it using graphical

0 Answers  

---

What is essential to prove safe isolation of electrical circuit?

0 Answers  

---

in wind mill use 2100 kw asychronous generator ( induction generator ) rotor voltage : 3300,stator voltage : 690, rpm : 1511 type : MRL063E04 ' we check rotor resistance magger value found following. R-EARTH - 00 M.OHM,Y-EARTH-34 M.OHM,B-EARTH- 33M.OHM R-Y: 31 M.OHM, Y-B: 00 M.OHM,B-R :33 M.OHM HOW CAN I TAKE DECISION?pls ans. quickly

0 Answers   Shaifali Rolls,

---