Answer / shoaib9786

You see, when the current in a transformer increases, the
losses inturen increase because losses= I*I*R.

The Losses in a transformer is dissipated in the form of
heat. This is nothing but temperature rise. Hence, a
temperature rise test is conducted in order to maintain the
temperature of the windings and core within limits, and to
check the losses.

Hope that answers.

Answer / sanjay

i want the answer of why the stator test was doing on the transformer

which motor have relatively high power factor and what is reason for have high pf? 1.capacitor run motor 2.shaded pole motor 3.capacitor start motor 4.split phase motor

0 Answers  

---

As we know induction squirrel cage motor torque Directly praprortinal to applied voltage in star connection & delta also. If I connect 55KW Motor to DOL starter in load condition does motor withstand the load & what will be the current withdrawn ? motor will not fail ?

0 Answers  

---

what happen if the parallel generator phase angle shift by 1 degree in manual mode

0 Answers   EEEC, MEC,

---

please send me RRB electrical engineer previous year questions for Sr. Section Engineer

0 Answers  

---

What are the loading factors to be considered for transformer sizing/selection?

3 Answers  

---

What is the difference between AC voltage and DC voltage?

6 Answers  

---

if an induction motor is operated at unity power factor what will happen? will motor run or not? kindly describe a logical answer?

2 Answers  

---

In APFC panel, Why on dealy timer is used in Capacitor controlling circuit?

1 Answers  

---

How can we calculate the capacitance of generator?

1 Answers  

---

1.why we are using blocks in withoutgaplightning arrester 2.why we ar using bushing in withoutgap lightning arrestor

0 Answers  

---

Is single load(eg: three phase motor) having all the components like positive,negative,zero sequence components during fault condition?

0 Answers  

---

What should be the BDV value of a new transformer oil

3 Answers  

---