Answer / akhtar

If Motor is three phase:
we calculate the current of the motor?
Current(I)=Power(P)/1.73*cos fai* votage(V)

I=55*1000/1.73*.8*440
I=95.62A
now we can select the cable from catalogue

What is the Operating Powerfactor of UPS??? Why??

3 Answers  

---

Testing procedure of DG alternator stability test

0 Answers   Amprotec,

---

Explain how to determine capacitor tolerance codes?

0 Answers  

---

what is the sludge current

0 Answers  

---

What is “pu” in electrical engineering?

0 Answers  

---

whats the application of voltage regulation? and whats the voltage regulation's device?

0 Answers  

---

hello, I need to know exactly what happen in the motor while it is connected to the (star/delta) starter, mechanical and electrical. Thaks for answering

3 Answers  

---

List the time domain specifications.

0 Answers  

---

Why the design of electromechanical energy conversion machines is based on the medium of conversion as megnetic field not as electric field?

2 Answers  

---

What is over fluxing in transformer?

1 Answers  

---

What are HT & LT Cables? What are their values?

3 Answers   IOCL,

---

If there are two transformer having rating of 2.5mva, 6.6kv/440v(satr-star),and the load is 600kw then what is better to maintain less losses in transformer having both transformer in parellel or only single transformer connected to load? Please give calculated answer

0 Answers   UltraTech,

---