why aggregate is placed all around substation ground.

1 Answers  

---

we have two motors 1250kW,6.6kV to be coupled on the same shaft ,so please provide assistance for their synchronisation.

0 Answers  

---

what is swirl induction in i.c engine????????

1 Answers   Ashok Leyland,

---

why a motor overheated stops to rotate ?????

1 Answers  

---

in transformer which grade oil will use?

3 Answers  

---

---

when we r using 3.5 cable for a bldg. and put laod on each phase using the neutral and neutral is the return paht for the phase so the current of the neutral must be Ir+Ib+iY (return).But the size of the netural is .5 as comper to the phase.

2 Answers  

---

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  

---

difrent between vcb acb sf6 and mccb breakers

1 Answers   DMRC,

---

What do you mean by 4.44 in this transformer equetion E=4.44 nfqm

4 Answers   Bharat Bijlee,

---

presently I am working in private sector.In powergrid interview recruiter asked me why you join this organization.

0 Answers   Power Grid,

---

condider as 100 w lamps glowing . for completing a one unit how much time it should glow

3 Answers   Avalon,

---

why the neutral point of star connnection oscillates?

3 Answers   Avalon,

---