what is difference between KW,KVA,KVAR? also give me the formula for all the three...

3 Answers  

---

how we calculate the knee point of a protection and metering CT and what is the testing procedure.

1 Answers   CS,

---

What is reactive power?

7 Answers   Suzlon,

---

1.Why use in ups in software's,reason,and pls explain. 2.what is the isolation transformer and main use it's functioning and partes.

5 Answers   TATA, Wipro,

---

How we can recongnise the phase displacement of transformer connection between primary & scondary...plzzz explain it with example.........

0 Answers   BOC,

---

what is ohms law?

7 Answers  

---

Generally in d.c. circuits the direction of current is from possitive to negative.In a.c.circuits what is the direction fo current flow

4 Answers  

---

What happent when a AC motor(no break and starters ) stop and suddenly start . ? Starting current low or high?? Why?

1 Answers  

---

for what purpose the star point is done in ct

0 Answers  

---

Why electricity in India is in the multiples of 11 like 11kv, 22kv, 33kv

2 Answers   KPIT,

---

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

4 Answers  

---

What is the rating factor for copper cable ( Specific value according to the type of laying ) & the voltage drop?

0 Answers  

---