Answer / joel q.

Ex. If your load is 100KW @ 0.9 power factor.

Your KVAR load is:

KVAR = 100*Tan((arccos0.9))

Answer / yogesh shinde

kvar=kw (tan cos-1preset p.f)-(tan cos-1 desired p.f)

Answer / murtaza

keeping in view power triangle formula
kvar= APPARENT POWER* power factor
L

what is the meaning write of AC1,AC2,AC3 .....power contactor

7 Answers   ABB,

---

what is the path of electron when a static electron is placed in a magnetic field?

1 Answers  

---

What do you mean by Transformer?

9 Answers   Hyundai, NTPC, wbsedcl,

---

at meter room 50 hrc switch installed,but there are not get earthing proper,so what happen?and 11kv transformer out put going in to hrc main 400a three nog each? so earthing is require for all switch? (some customer made earthing at there home.)

0 Answers   Ebrahim Textile, Siemens,

---

what is the easiest method of short circuit current calculation ? pls. derive with a mathematical example in real life application.

0 Answers   Mepax, NEPCO,

---

Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.

0 Answers  

---

How much load with stand the copper cable by sq mm apro..

1 Answers   L&T, Taj Group,

---

What is rotor angle stability?

2 Answers  

---

How to calculate the current capacity of the 3C / 1C Al/Cu power cable???

2 Answers  

---

Why is it not possible to operate a star-delta transformer in parallel with delta-delta transformer?

1 Answers  

---

why substation are rated like 11KV or 33KV?

3 Answers   TNEB Tamil Nadu Electricity Board,

---

How a synchronous generator practically work? what is the function of avr(automatic voltage regulator)in synchronous generator?how the connection of avr to the generator made practically?please give me the answer.

6 Answers   Accenture, Heineken,

---