Answer / hussain

5KV is sufficient to megger 6.6KV cable, if you want to do
Hi-Pot test use: test KV= 2* rated KV +1

Answer / abhishek

for meggerirng it,s use 1.5times volt in HT cable.in 6.6kv cable we use 10kv dc.

BRIEFLY EXPLAIN THE STORAGE CLASSES AND THEIR TYPES IN C

0 Answers  

---

Why Utility Distribution System in India is mainly at 11 kV? Why not Utility go for 33 kV?

0 Answers  

---

.if the vector group of two transformers is not same n tey r connected in parallel operation then what will happen?

2 Answers   ABB,

---

What will happen when we connect 2 bulbs in series between 2 phases

7 Answers   Pepsi, PowerTech,

---

if one potential missing in energy meter , how much % slow the energy meter?

1 Answers   NTPC, SK,

---

Why synchronous motor runs at a fixed speed? what is the name of that fixed speed?

4 Answers  

---

Spacing of Transformers ratings are 10kva,15kva,25kva,63kva,110kva,150kva .........so on Q) Why transformer are not manufactured having ratings in between or other than these standard ratings ?

3 Answers  

---

what is a panel board?

1 Answers  

---

what ll happen if neutral is not shorted with phases while doing transformer short circuit test & what ll happen if neutral is connected to ground?

1 Answers  

---

What is the full name of one of choke less lamp BLL

2 Answers  

---

what is the different betweem earthing and neutral?

8 Answers  

---

How much current flow in no load condition of a motor?

8 Answers  

---