What is the vector group of a transformer,how can it be found out?

0 Answers   Jindal,

---

Electrical breakdown strength of an insulating material depends on............?why because?

2 Answers  

---

What is min and max voltage between earth and neutral/phase if it perfect earthing?

37 Answers   Epoch, ISS, ITC Infotech, L&T, Power Works, Statex, Sterlite, Wipro,

---

We have isolation transformer 25kvA & ONLINE UPS 15KvA (3PHASE I/P,3PHASE O/P)where isolation should have connect,before UPS or after please brief.

1 Answers   DRJ ARDE,

---

Which has more losses, AC or DC??

4 Answers   Infosys, TATA,

---

What is the size of cable to be used for a Space Heater in UPS 160KVA of carrying 10 Amps current with 240 V ,1 Phase?

3 Answers  

---

1kva = kw ?

6 Answers  

---

PLC Based Process Automoation Panels?

2 Answers  

---

What's the part of OTCC in transformer?

7 Answers   Bhel, RRB,

---

why v use only sodium bulb or orange color lights on streets, y nt CLF OR TUBE LIGHTS

3 Answers  

---

i have install 750 kva distribution transformer at my site and want to do neutral earthing. what calculations should i follow to determine earthing conductor material and size?

0 Answers   MTDC,

---

how to test power transformer.YNd11

0 Answers  

---