why battery room in substation is black coloured?

4 Answers  

---

what does a string of resistors in a series will do?

0 Answers  

---

I NEED THE CABLE SIZE. I=800A AND P=315KW

2 Answers   ABC, Wipro,

---

what is voltage,current,restance,. what is single phase&three phase motar. what is basic electrical 'farmoulas. what is defirens quetions of electrical maintenance.

2 Answers  

---

what will hapen if secodery circuit is open of current transformer

8 Answers   KPTCL,

---

i want to estabilish an loss energy storage system,such that it can store electricity lost during the transmission of electricity in conductor,so that this system stores energy lost during transmission and supply it to street lights during night

2 Answers  

---

difference between semiconductor & conductor & insulator?

0 Answers  

---

725KW Three DG set Synchronised but DG no-1 power showing 750KW DG n0-2 power showing 500KW DG no-03 showing 500KW. DG is Shynchronised but why this different power showing?

3 Answers  

---

For high frequency application we use which transformer?

0 Answers  

---

what is threshold voltage for a relay???what does it exactly means ?whats its value in our indian transmission system say 11kv feeder RMU relay

3 Answers  

---

what is skin effect and corona discharge ?

4 Answers   Asian Paints,

---

How can calculate the rating of a servo stabilizer for given a specific load

0 Answers  

---