how to calculate bus-bar sizes? (copper bus-bars)

Answer Posted / a.mishra

For Cu Bus-bar:- 1.1 amps/sq.mm
For Al Bus-bar:- 0.6 amps/sq.mm

Is This Answer Correct ?    21 Yes 20 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is servo motor and what are the applications of servo motor?

2262


What happens to a line-frequency of high-frequency transformer when it is first energized/ re-energize?

1720


how freewheeling diode improves the powerfactor

4853


State the factors, for the choice of electrical system for an aero turbine.

668


sir i applied for hpcl(electrical).i want to know from which subjects most of the technical que will b asked.and pattern of the written test.pls help me

1477






Why we use circular(Stepped) cross section in transformer core?

1758


What is the difference between single point and double point bonding. please kindly detail about bonding of cables.

1921


what is mean by descripiency relay? & wht is its ansi code?

2618


how much flux density of CRNO core

2345


whatare the disadvantages occur,if the form factor of transmission will not be equal to 1.11

1437


what is the common earth

629


if an insulated power and control cables of a running gas diesel gensets laid direct in an open trench i.e, trench bed is not rcc of a power house in which rain water, spillage water alwas exists and all power control cables remains submerged even when gas gensets of 480 kw each runningin on load. These power &control cables runs from power house to switchgear room through these trenches in which water remains most of the time. pl explain its merit & de-merit

1408


whate is the meaning of balance/unbalance,in stabilizers type

1661


what is Insulation monitoring device. where it is used? (in switchgear room or control panel or in field equipment)

1680


what is the synchronous timer ? and it applications.

1901