Answer / sagar bansal

because the power factor of transformer depends on the load connected , which is variable or unknown thatswhy rating of transformer is in KVA or MVA(apparent power).

Answer / subhansab b

We know ratings always depends upon temperature. But temperature always depends on the losses..
We know transformer having only two losses that is core losses and copper losses... we know core losses also known as constant losses because it depends upon voltage and cu losses also known as variable losses because of it depends upon load current...from these two losses we only knows current and voltage.. so we are using VA rating.. For large transformer we we are using MVA ratings

what is the pre charge circuit,what will be work which function it will be use plz tell me

0 Answers  

---

How power factor affect on bill explain with example.

13 Answers  

---

the resistance of wire having length X M is R OHEM if i streched the wire to dubble length what will be the resitance

3 Answers  

---

how to create new innovation what are the supporting sources in the electrical field for Electrical engineers.....?

1 Answers  

---

What is main purpose of chock coil and starter in florescent tube ?

1 Answers  

---

ups and invertor battery selection chart and full formula

2 Answers   APC,

---

how much test voltage should applied for tan delta test.

2 Answers   Electrical, TATA,

---

How to setting the volume of RTCC panel AVR (11kv) controller

0 Answers   CNF Automotive India,

---

how much watts are equal to one unit of energy meter?

9 Answers  

---

In Round type three phase transformer why the LV side is inner part and HV outer part in the design of transformer? why they cant be opposite?

2 Answers  

---

What is Isolation Transformer???

4 Answers   Emerson,

---

what is the diff. between x'mer , isolation x'mer & ultra-isolation x'mer ?????????????

0 Answers   ABB,

---