what is mean by NPS (Negative phase sequence)fault? what is the difference between EFR & OCR faults?

0 Answers   TNEB Tamil Nadu Electricity Board, Vestas,

---

How can a equal potential zone be carried out in conductors?

0 Answers  

---

why transformer is rated in KVA ?

5 Answers  

---

How the main bus bar rating of 400kV switchyard with one and half breaker scheme is calculated.

2 Answers  

---

what is the difference between 2 way and 4 pole selector switch???

0 Answers   Allied Group,

---

A 4-Pole D.C. Generator has a speed of 1500r.p.m. Then what will be the frequency of D.C. Generator ?

9 Answers   IBM,

---

what is the impedence

1 Answers   Al-Othman,

---

in three phase 11kv transformer (11kv/433v) input( R,Y,B) output (X,Y,Z,N) the connection as follows 1 phase R -open 2phase y connected to both R and y of input] 3phase B- B what is the output voltage X to N ,Y to N , Z to N

2 Answers   Bescom,

---

A 11KV, 1200 A breaker combination fixed in a cubicle for HT motor.Is normally for 11 KV motor fuse is using? if Yes, What range fuse is required?

0 Answers  

---

new 90kw motor installed so how I purchased cable ,fuse,etc please give me technic for cable selected why always capacitor delta connection

0 Answers  

---

why return path in terms of neutral is required please give a relevant answer

3 Answers  

---

Explain about 3 phase motor fault current calculation with examples?

0 Answers   QTC,

---