Answer / prabhas

Usualy in large industries the cable size is calculated,
for 1A of current its 1 sq mm of aluminium cable and 0.5sq
mm of copper cable.

Ex: In case 600A : 300 sqmm or 2R x 150 sqmm cable to be
preferable. in same case iys 150sqmm of copper cable is
enough.

Prabhas

Answer / n r@jesh

For Al. cables 1Amp = 1 sqmm
For cu. cables 2.5Amps = 1 sqmm

what is the procedure for cable sizing or on what basis we will calculate the size of cable?????

6 Answers   ANG, Focus, Mecon,

---

How can we calculate the efficiency of a Running (On-Load) Motor ? What parameters are required and what is the method ?

0 Answers  

---

What is the main purpose of relay?

1 Answers  

---

EXPLAIN THE WORKING OF SERIES REACTOR IN HT CAPACITOR BANKS (FOR VOLTAGES & CURRENTS)

1 Answers  

---

what is the full form of XLPE adn there use.

4 Answers   Voltas,

---

How do we check transformer losses and what are the ways to minimise it.

5 Answers  

---

Why does the rotor rotate?

0 Answers   Elin, OPTCL,

---

checklist of ELCB

1 Answers   EECE,

---

What is the meaning of dedicated earthing?

0 Answers   Dabur,

---

How to measure size of cable on a given load

0 Answers   Green India Engineering Solutions,

---

1.differance between onload ups and off line ups.

1 Answers   CTS,

---

Why CTs are connected in star on T/F delta connected winding side & in delta on T/F star connected winding side for T/F differential protection?

2 Answers  

---