Do anyone know how can I calculate earthing for substation or do anyone know any software which I can use for this case

1 Answers  

---

why transformer are rated in kva.

5 Answers   Dalkia, Nalco,

---

what is the meaning of insulation level?

2 Answers  

---

which Machine u will prefer to use at place where Flammable gases are coming out & why ??

6 Answers   NTPC,

---

Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?

0 Answers   Siemens,

---

---

what is meant by earth fault and how it happens....

3 Answers  

---

cany anyone suggest electrical wesites for providing study materials?

0 Answers  

---

what is power system.........?

1 Answers  

---

How do you calculate of power factor, if it is lagging or leading for unit(1).

4 Answers  

---

Hi, what is 100 % stator earth fault protection and how it can be achieve by 3rd harmonics and low frequency injection principle ?

1 Answers  

---

why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?

0 Answers  

---

battery spicgravity mesuserd?

1 Answers  

---