Answer / sithathur ramamoorthy

Transformer copper loss is depend the current and iron loss
is depend the voltage. in depend the difference between
current to voltage. thats it.

Answer / dpk_1fj

Because we don't know what type of load going to be connect

Answer / chad

KW=1.732* V*I*cos@
KVA=1.732*V*I

We can see the equation the kw is change by load,but kva power is not change by load.thats is

Answer / deepak

tx o/p limited by heating hence losses
and losses depend apn V, I only not on load pf
so rating in volt-amp.not in watt.watt mean active
powr depend apn pf also

Can a transformer be used as voltage or current amplifier?

3 Answers   BPDB, REB, Riaz,

---

What will happen if supply to three phase motor is given wiyhout inerting rotor in it?How much current it will draw?

5 Answers  

---

what is auto re-closer?

0 Answers  

---

Define super node?

0 Answers  

---

difference between slippring induction motor and Generator?

1 Answers  

---

what is XLPE cable?

2 Answers   Essar,

---

how do i calculate voltage drop-if length is 1000 meter,amps is 160a

1 Answers  

---

what is earthing transformer? draw the winding dia.of earthing transformer.

0 Answers  

---

what is the basic difference between fan and home motor if both have single phase induction motor?

4 Answers   Engineers India Limited,

---

What is four quadrant metering system.

5 Answers  

---

What is d diff. btw MCB & MCCB???

1 Answers   Emerson,

---

what is the operating principle of contactor(power).along with disection?

3 Answers   NASA, Tech Mahindra,

---