Answer / arun

for transformer 2 boay earth, 2 neutral earth
for 1 isolater,2 vcb :- 2 body earth
tolat
neutral earth :- 2 nos
body earth :- 4 nos

Answer / venkat_07ngcv

earth pits
isolator body 1no's
2 vcb's body 4no's
distribustion transformer are 2 no's body
2 no's neautral

What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?

0 Answers  

---

during parallel operation of two ac generator which condition must match before taking both parallel i.e speed /voltage rating /kva/exciation

2 Answers  

---

What is the ratio of Booster transformer?

0 Answers  

---

Is it possible to run HT motor through LT VFD (LT VFD supply given to Transformer LT side and transformer HT side connected to motor)

1 Answers  

---

how to get more than 1000 ohms between 2 earth pits ?

2 Answers   HCL,

---

For RCD (Residual current device) Icu is defined. How i can find Ics for them?

0 Answers  

---

How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)?

0 Answers   HAL,

---

how to find out cable size if load is 2800 watts, 230 volts AC supply and load distance is 1800 meters

0 Answers  

---

Is it required to lay GI wires along with GI/MS conduits from one point to another point though separate earthing cable is conncted from DB to Socket?

0 Answers  

---

How to calulate cable size for 200KVA,160KVA& 40KVA load?

1 Answers   ABB,

---

what are the applications of TIG welding

0 Answers  

---

What is K-rated transformer? What is the use of it? What can be the size(pls provide calculation if possible) of K- factor transformer for 550kW,690V motor operating with drive (VFD)?

0 Answers  

---