Answer / pradyumna171

power factor I.e the value of cosine angle between voltage and current .it is 0,6(or less) to 0.9(max 0.99) but it is not fix as 0.8 that is why transformer is rated.

for 5KW resistive load can anyone please suggest me whether to go for UPS/Inverter or Generator depending upon cost calulations

0 Answers  

---

Hello Can I use step up HV transformer 440/4160V as a step down? Thanks Evgeny

5 Answers  

---

ITI r/tv trade APPLY (J.T.O VACANCEY) ALSO INCLUD AITT ELECTRONIC,WRITEEN XAM DONE 23.03.10 BUT NO RESPONCE WHY ANATHER ID gopal_gh007@rediffmail.com

0 Answers   KBC, wbsedcl,

---

what is the change over switch ,switch disconnector ,bypass switch and switch disconnector fuse unit?

1 Answers  

---

- two pumps must work with them at the same time but if the first pump start the second pump  must delayed for some time to start  also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it

0 Answers  

---

Where there is voltage,there must be current.Is this right or wrong??

10 Answers  

---

I completed my BE EEE degree 2006 .... which license should i apply .... ?????

0 Answers   Real Estate,

---

Which transformer is suitable for 220/11 kV, 60 MVA, distribution , Y-Y or D-Y or Y-D, give comparison for the same.

3 Answers  

---

what is neutral voltage

3 Answers   Power Grid,

---

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

19 Answers   ABB, AEC, BGH,

---

what is meant by auto transformer?

4 Answers   Suzlon,

---

What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?

0 Answers  

---