Answer / v.venkata ramana

Neutral wire nothing but return path wire, maximum current
carry phases

Answer / riyas

xlpe cables have good dielectric strength and neutral is just for providing a polarity

Answer / darshitajudia00

3.5 core is used where the neutral current is very small or we can say fault current.
4 core is used where fault current is very large in non linear load.

Application wise, where we should use AC motors and where we should DC motors?

1 Answers   Nespak,

---

what is the resistance value of earthing pit and why they are connected?

6 Answers  

---

Brief difference btween aluminium & copper conductor

2 Answers  

---

WHAT IS THE DIFFERENCE BETWEEN KW AND KVA ?

10 Answers  

---

What is the operational principle of direct current current transformer and direct current potential transformer?if possible plz reply with ckt. diagram.

1 Answers  

---

---

i need to give section engineer (electrical engineer) for RRB. Please suggest some book

0 Answers  

---

what is difference between KW,KVA,KVAR? also give me the formula for all the three...

3 Answers  

---

whatis the difference between electrical and electronics?

11 Answers  

---

How to run 1ph motor(230 VOLTS its full load amps is 4.5 ampa))with 480 volts main(we didn hav neutral)Thn we go for step down transformer.Our load 10 amps,so we conisder this amps in primary are secondary side

1 Answers  

---

What are the advantages of using distance protection schemes as opposed to normal overcurrent/ earth fault protection on high voltage feeders.

0 Answers   Eskom,

---

as per BIS supply voltage in India is ......

9 Answers  

---

In case of HV test on medium voltage cables, BS is asking for 4 U0 where as IEC is asking for 3.5 U0. Can any one advise me how this 3.5 times or 4 times U0 is derived?

0 Answers  

---