Answer / omer169

A transformer is a static Electric Machine which can change ac quantity (voltage or current) from one level to other level.

Answer / kaustubh soman

Transformer is static device which transfer voltage either
step up or step down without changing its frequency.

Answer / parveen

Transformer is working based on the mutual induction theory.

It have 2 winding. Primary & Secondary winding.

Primary winding :- which get input from main supply.

Secondary winding:- which give back output (desire supply).


It is rated in KVA.

Answer / sudhakar

which converts the voltage without change of its frequency
from primary to secondary

defult setting in p220 micom motor proction relay for 11kv,640kw,f.l.a.-40a,1440rpm ht motor?

0 Answers  

---

meter ratio is 100/5 CT ratio is 125/5, when the ratios changes i.e., CT ratio is 125/5 meter ratio is 100/5 what is the MF in boths conditions?

1 Answers  

---

in trains i have seen the terminal which is connected at the top of the train is positive .where is negative ? track? i dont think so

9 Answers  

---

What differance between Circuit brekar and Isolater?

14 Answers   TATA,

---

why 1.7Uo for HV cable Hi pot test?IE standard why?

0 Answers   ABB,

---

---

any one can explain what is the size of pvc,armoured, various sizes of powr cable dia?

0 Answers  

---

why capacitor takes more current

4 Answers  

---

what should be the resistance valve of healthy earth pit

1 Answers   Reddy Labs,

---

What is the role of ESP(Electro Static Precipitator)in steam power plants? Where it is located? How it works?

1 Answers  

---

What is voltage

5 Answers   TATA,

---

which one is rotating transformer-single phase induction motor or 3 phase squirrel cage motor?

1 Answers  

---

i have three phase 25kva transformer but there is two phase line how can i connect to the two phase line?

2 Answers  

---