Answer / bala_vlsi

Cu
u can consider 1.4 A / sqmm
Al
u can consider 0.8 A / Sq mm
eXAMPLE
50 X 6 CU busbar
50x 6 = 300 x 1.4 = 420 A
It is suitable for 420 A capacity


50 X 6 Al busbar
50x 6 = 300 x 0.8 = 240 A
It is suitable for 240 A capacity

Answer / vishnu.a

load is the major thing to determine busbar..
aluminium bus bar
Amps=1.2x area.............. if busbar size is 50x6 means
we can allow 360 amps
copper bus bar
approximately amps=area

previous year paper of ntpc bhel for degree in electrical enng

0 Answers  

---

What is the difference between generator and turbo-generator

5 Answers   iGate,

---

what is the safety of voltage power transformer(2250KVA0

0 Answers   Emerson, Jindal,

---

I need HT sphere gap calibration table. Can any body help me.

0 Answers  

---

what is star delta starter? how it works? give its control and power diagram.

0 Answers   Bhel, Point to Point Solution, Star Wire,

---

how to calculate the speed of a induction motor without using tacho meter?

6 Answers  

---

PLZ EXPLIN ABOUT CLASS PS CLASS CT .WHY THEY R DESINED AND FOR WHAT PURPOSE?WHY OTHER CT CANT BE USED AS PS CLASS CT? EXPLAIN IN SIMPLE LAUNGAGE IF POSSIBLE PLZ GIVE CIRCIT DIAGRAM?EMAIL-RAJ_SINGH_0376@SIFY.COM

0 Answers   ABB,

---

What is LSIG ?

6 Answers   Apollo Power,

---

my first school?

1 Answers  

---

Star Delta Diagram with full description

0 Answers   SKS Microfinance, Syscom,

---

which motor is suitable for traction? why?

15 Answers   BCH, KPCL,

---

how to compute kAIC?  with formulas...

0 Answers  

---