Why used IGBT IN AC Drives

4 Answers  

---

what is PDU in transformer?? which company manufacture??

0 Answers  

---

what is the working principle of dc motor & its application ?

3 Answers  

---

why DC current not used in Transformer action?

17 Answers   Engineers India Limited,

---

what is vA rating and class of a ct.

0 Answers   L&T,

---

---

We are getting supply at33kvand it stepdown to 11kv.So Our requirement is 11kv voltage.why we draw 33kv from the grid instead of 11kv?

2 Answers   Birla,

---

WHY L-G FAULT IS MORE SEVERE IN TERMS OF RRRV?

0 Answers   Engineers India Limited,

---

what is stray loss in transformer?

19 Answers   Vijai Electricals,

---

hii this is ranjith from hyd... i want to know what type of questions they ask in interview...and hw the interview will go..? what subjects thay ask specially for electrical engg students?

0 Answers  

---

Suppose a 3 phase, 2 pole, 440V induction motor is driving a flywheel of 600mm diameter, 150kg mass. By using v-belt and pulley, the speed is increased to 4500 RPM. What will be the effect on motor current?

0 Answers  

---

What will happen if i connect two 3-phase tranformers secondary supply on one bus bar that is R-Y-B-N?

2 Answers   GMR,

---

how to calculate current when LT supply 415v fed to HT Motor 6.6kv and 1120kw.

2 Answers  

---