what is the Earth Voltages in Power Plants, Sub-stations, Industries, Residential & Commercial Buildings.

0 Answers   Power Grid,

---

what is use of substation? Any book on how to instal or construction of substations?

6 Answers   Siemens,

---

What is reverse power relay?

0 Answers  

---

how many types method in earth testing?

3 Answers   ONGC,

---

what is ELCB?

10 Answers   Wipro,

---

what does mean for "mah" for mobile batteries like 1500mah,1300mah??

2 Answers  

---

If u have Powergrid model question papers Please send to below mail ID rajutheprince@gmail.com

0 Answers  

---

if we convert kva into Ampers,which one formula use by us,pls tell me?

7 Answers   ABB,

---

How to calculate Grid rotor resistance(GRR) losses in slip ring induction motor?

0 Answers  

---

how to check the continuity of a cable with a megger

4 Answers   Metro,

---

why high speed tripping relay is used in protection circuit why not normal relay

0 Answers  

---

what is diffence between synchronus and asynchronus AC motor.?

1 Answers  

---