Answer / inder singh

step up transformer increase the voltage and decrease the current .

Answer / naushab alam

step up transformer used for increase voltage and decrease current ,mainly step up transformer used in transmission in long distance , it is economically transmission method.

How we Use DC Power in Transformers? is it possible ?

6 Answers  

---

What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.

0 Answers  

---

What is the formuala to calculate the rating of motor protection circuit breaker

0 Answers  

---

If you know per phase current and phase to phase voltage; what is overall KW of the circuit?

1 Answers   ABC, GAS,

---

What is The function of tvm(tri-vector meter)??

2 Answers  

---

---

pls someone send me sample question papers along with the key.thanks in advance

0 Answers   HPCL,

---

Why the outpet og DG is 415V not 440V?

1 Answers  

---

why we are 0.8 power factor only?

1 Answers   Suman Industries,

---

What is the difference between rated and maximum speed of 3phase induction motor.....? Can the motor speed exceeds the rated speed..?

1 Answers  

---

how much kn lightning arrestor is used in 11kv line

8 Answers   Power Grid,

---

power formula

1 Answers  

---

hi i wonder will the speed of a 50hz AC motor reduce if i supply it with 25hz?

4 Answers   Divis Laboratories,

---