Why IGBT is very popular nowadays?

3 Answers   TVS,

---

Mention the methods for starting an induction motor?

0 Answers  

---

Frequency of rotor emf in induction motor is around A same as stator frequency B 50% C 5 % or below D 30%

1 Answers   Bhel,

---

how step up transformer step up the voltage and what is the reason behind it?

3 Answers  

---

1.Difference between vcb and Acb and partes. 2.Difference between STS and ATS.

2 Answers  

---

---

what is the best way to start a 15 KW motor for pump star-delta or direct on line ? and from how many KW i must use direct on line ?

1 Answers  

---

WHAT IS SERVO MOTOR

1 Answers   Fluxys, Infosys,

---

what collector is used for 100kmph-120kmph tracion application?

3 Answers   APTransco,

---

What are the components of a substation?

3 Answers   IOCL,

---

I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?

0 Answers  

---

what are the alternator cooling system? how it is represented?

1 Answers  

---

define electrical field?

6 Answers   L&T,

---