Answer / s.k.

For power TR's : 15,20,30,45,75 MVA , they have 21 taps
then the 2dry wdg. should meets the required kV
so , when the tap at the lower step( tap 1), it results the
lower kV at 2dry.

1.why should we connect the measuring instruments in l.v side in short circuit test of a transformer? 2.why the power factor is less in open circuit test of a transformer?

0 Answers  

---

why so maney smaller size capacitor use instead of single Big size capacitor in apfc panel

1 Answers  

---

What is the types of HT motor testing

0 Answers   ABB,

---

What is Tan Delta Test

1 Answers   Power Grid,

---

how much allowable resistance that can be difference in motor all coils?

0 Answers  

---

How can a transformer test by megger?

1 Answers   Bosch,

---

i have interview in Pepsi company what type of question will ask please send the question and answeer

0 Answers   Pepsi,

---

Why r u using pf panel. what the uses

0 Answers   Standard Chartered,

---

Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??

0 Answers  

---

what is the working of hydrent system.

2 Answers  

---

why HT armoured cable does not glanding

0 Answers   TCE,

---

what is difference between vaccum circuit breaker and air circuit breaker?

2 Answers  

---