what is restircted earth fault relay,how it works? what is diffrance btwn normal earth falut relay & restricted earth fault relay?

1 Answers  

---

What will happen if a dc source is given to a tubelight. Will it work or wont it work....

0 Answers  

---

if voltage is not builed up in small generator what will be the reason?

7 Answers   century,

---

how to mention 5mw generator in kva ? gen voltage is 11kv

6 Answers  

---

sir,i am swati. i am goin to gv jspl exam on 21st nov'10. iwant previous year question paper. plz help me out. my emailid is swatisinha.dav@gmail.com

1 Answers  

---

---

How to calculate the CFM to TR? What is the Formula

12 Answers   Carrier, Voltas,

---

On what factors the generating voltage depends ? Generating voltage are (3.3kV, 6.6KV , 11KV, 13.8kV) Why so ?

5 Answers   Bhel,

---

if we know Fault level say 25 KA , How to decide busbar size for Distribution network of 1000 Amp Breaker ? Sample Calculation or Farmula Available or not ?

4 Answers   TCS,

---

freuency meter

1 Answers  

---

-How do you select cable size for a given load at a given distance from source of supply. How do you find voltage drop.

0 Answers  

---

what current is taken from a double wound 500kva transformer

4 Answers  

---

how the earhing is done on ship and airplane.

2 Answers  

---