What is the meaning of In,Io & Ir in Circuit breaker? How to calculate?

1 Answers  

---

how much distance is required for earth pit to earth pit in substation???

3 Answers   Divis Laboratories,

---

what is the resistance value of earthing pit and why they are connected?

6 Answers  

---

in 31.5 mva power transformer how to set of wti and oti?

1 Answers   HMEL,

---

what will happen if any motor runs long time with star connection in400vA.C. system

5 Answers  

---

What is YNyn Transformer? and what are the other types in this?

3 Answers  

---

we all know that both the generator and motor are electromechanical conversion devices.....then why we rate motor in kw and generator in kva????

4 Answers   KSEB,

---

HOW TO CALCULATE THE CAPACITOR RANGE FOR LOAD FOR PF IMPROVEMENT? EXPLE:FOR 65 HP LOAD HOW TO CALCULATE CAPACITOR RANGE?

12 Answers   Al-Malik, All Star Electric, GEC, Reliance, Universal Industries,

---

resitance in ac=1.6*resistance in dc

3 Answers  

---

what is voltage

7 Answers   TCS,

---

What is ONAN/ONAF1/ONAF2 for transformer cooling

5 Answers  

---

What is the permissible value of earth resistance!

11 Answers   Torrent Power,

---