How many types of faults are there in 3 phase power system?

0 Answers  

---

Why used IGBT IN AC Drives

4 Answers  

---

WHAT IS RETARDATION TEST IN DC MACHINES?

4 Answers  

---

If the Brush of DC motor is shifted by 90 deg, then what happens to voltage and torque? Both voltage and torque are zero. how to justify the answer?

0 Answers  

---

how can you calculate fault level ?

0 Answers  

---

sir i applied for hpcl(electrical).i want to know from which subjects most of the technical que will b asked.and pattern of the written test.pls help me

0 Answers   HPCL,

---

One VFD is possible to connect two motors at the same time?

2 Answers  

---

How would we calculate the no of earthing pits required for motor /panel

5 Answers   APGenco, National Engineering Industries, Practical Viva Questions,

---

which type of starter is suitable for single phase motor ?

11 Answers   IOCL,

---

Why the stator is rotated in ceiling fans not Rator?

3 Answers  

---

What is method of calculating the fault current for a MDB, 50KW, 3PH, 415V, 50HZ?

0 Answers   L&T,

---

please send me previous year questions of jspl through which i could prepare myself for the test.

0 Answers  

---