Answer / nizam

earthing is mainly used for safety purpose or to ground the leakage current

Answer / suresh

to prevent shock human behings.

which cable is preferred PVC OR XLPE for voltage from 220V to 11 KV with proper justification

1 Answers   BARC, Sail,

---

whose the first invented AC voltage or DCvoltage

4 Answers  

---

PRV (Pressure relief valve) Trip with oil splash outside power transformers

1 Answers   Khan,

---

What is the de rating factor of cable? What is the importance of the de rating factor in cable select

0 Answers  

---

plz send me the procedure and syllabus for mseb exam

0 Answers  

---

---

HOW VFD USED IN ENERGY SAVING

8 Answers   ITC Infotech,

---

For a load of 40HP induction motor.what will be size of Armoured copper cable require to connect the motor to starter in Star-Delta?

1 Answers   CG,

---

first 3 men were there .again 3 came.total how much?

11 Answers   Wipro,

---

pls tell about gas insulated substation?which gas is used for that substation?above which rating we are used this substation?how we take maintenance in that substation?it means substation fully shutdown or live condition?if live condition means how?pls clear this things

1 Answers   Essar,

---

why farmers are use earthing instead of neutral for their light conec. at field.is it safe

2 Answers   Honeywell,

---

is electrons really flow or they just vibrate at their position?

5 Answers   Bhel, HAL,

---

1.After synchronising the alternator to the grid,how we r delivering power to the grid?if the i/p increases does the speed hence frequency increases? 2.y the power factor is changing when exitation changes?what is the relation with p.f and flux?

4 Answers   BSNL,

---