In track electrification Either we use single conductor or double conductor? why?

2 Answers  

---

What is Instantaneous Earth fault relay,how will work

0 Answers  

---

if 20 hp motor starts directly delta connection.motor what will be the effect.

3 Answers   HP,

---

What is difference between ON delay and OFF Delay Timer?

7 Answers  

---

explain Xmer

2 Answers  

---

What is the function of RCCB? What are the different sensitivity ratings & each application?

6 Answers   Wipro,

---

for selection of transformer we will considering 5 to 6 times of starting current of higher rating motor connected to secondary side. according to process wise we will start the motors gradually suppose if we will start 15 to 20 motors at a time wat will happen?

1 Answers  

---

An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The slip when motor stalls is A 1 B 0 C 13.33% D 10.33%

0 Answers  

---

How to improve the power factor from 0.8 to 0.98? Also tell me cost vs benefit analysis.

2 Answers  

---

what will happen if transformer given dc input

5 Answers  

---

Why we use CT on differant phases of 2ph.PT detection for brush-less static excitation of 3ph.,400v Synchronous Generator? What happen if use CT on same one of VT phase?

2 Answers   Hydropower,

---

sir i am fresher.can you please tell me how can i get certificate of competency as electrical supervisor.

1 Answers   ONGC,

---