why we commonly use delta star winding in power and distribution transformers

7 Answers  

---

what is appearent power?

3 Answers  

---

Can a 150 kva 3 phase,440v/230v delta-wye connection stepdown transformer can be used in reverse as a step up tranformer ?

3 Answers   Meralco,

---

one hp 3phase motor what generate power factor

1 Answers  

---

how to calculate current and voltage in a same circuit?

0 Answers  

---

why should be the frequency is 50 hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50

3 Answers  

---

If we give the 440 V supply at secondary winding of the transformer then what will affect at primary winding???????

6 Answers  

---

Do Phase angle measurement have any application in freq/harmonics measurement? If so how?

0 Answers  

---

what is the reason for indication of light in the earth lamps of main switchboard.if there is an earth why does one lamp get dim and the other two bright.

0 Answers  

---

What type of motor is used inside computer CPU.

11 Answers   Bhel, TCS,

---

what is the cable size we can use for 11kv and 33kv ?

3 Answers  

---

Which level of the Transformer oil got dielectric strengh? And why?

0 Answers   HSL,

---