how we can calculate earth fault current?

1 Answers   Alchemist,

---

1) Can anyone give me a typical value for Insulation Resistance of 11kV xlpe cable? 2) How much will the IR value decrease per KM of cable length added?

1 Answers  

---

There is one 40MVA oil cooled transformer (yet to commission), filled with 95% oil and we are trying to fill 5% Nytrogen in that transformer so that there should not be any foreign component inside. But even though there is no leakage, nytrogen is not withstanding inside transformer, within a day or two pressure guage is showing 0. Why is it soooo? Pls reply.

1 Answers  

---

where connected OLTC for transformers?

3 Answers   Apollo, CBRE,

---

can induction motor run over the rated speed ?

12 Answers   ACC,

---

---

what is the difference between RMS & TRUE RMS VOLTAGE

0 Answers   IIT,

---

Why Ferranti effect not occurs at full load?

4 Answers   L&T,

---

What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?

0 Answers   AFG, Afghan Telecom, GE, IBM, SECL, Sun Pharma, TNPL,

---

What does negative slip of an induction motor signify?

10 Answers   Tata Elxsi,

---

Is CBCT protect human life? If yes than how?

1 Answers   Torrent Power,

---

direction of tarbine& genrator

0 Answers   Sandvik,

---

What is Dry type transformer.How it works

6 Answers   Vatika,

---