A 40 kva transformer has a core loss of 400W and a full load copper loss of 800W. What is The proportion of full load at maxmimum efficiency?

1 Answers  

---

If there are two transformer having rating of 2.5mva, 6.6kv/440v(satr-star),and the load is 600kw then what is better to maintain less losses in transformer having both transformer in parellel or only single transformer connected to load? Please give calculated answer

0 Answers   UltraTech,

---

what is H.T?specify the range?

6 Answers  

---

What can make the the overloads operate when a star delta three phase motor starts?

1 Answers  

---

1600 KVA ka transformer hi aghar lt side par 800A aur voltage 420 ho to HT side ki cable ki rating keya ho gi?

0 Answers  

---

How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?

0 Answers   ABB,

---

how gen. load increase or decrease ? what happen with gen on that time

2 Answers  

---

why the value of k is more in shell typr transformers?

0 Answers  

---

Write the Name of 7 Birsrestho of Bangladesh with their designation

1 Answers  

---

1.what to do if ferquency of any power system continue to decrease ?

5 Answers   NTPC,

---

what is meant by neutral compensation factor and where it is used

0 Answers  

---

Why lose 1 phase voltage in 33kv to 415v stepdown transformer

0 Answers  

---