How can we calculate the power factor of an electrical appliance ? Is there any formula ? Is there any meter around to calculate it ? And how to use that meter ? thanks

2 Answers   Essar, Philips,

---

How Size of Busbar is determined for a particular load.

2 Answers  

---

Why only plate(copper) Earth pit given for neutral earthing? why not pipe(G.I) Earth pit?

1 Answers  

---

What is the significance of %Z in case of transformer?

1 Answers  

---

What is the diff. between two phase & three phase supply.

7 Answers   Crompton Greaves,

---

What is the function of a capaitor in 1-phase IM?

1 Answers  

---

what is the question paper model for section engineer in RRB

0 Answers   RRB,

---

what is the transformer efficiency?

5 Answers  

---

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

3 Answers  

---

critically criticize the application of ring main unit in power system

0 Answers  

---

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,

---

fuses rated by amperes but not power,why?

3 Answers   Blue Star,

---