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sujinvipin
Commentator

Join Date: Aug 2011
Posts: 93

Bus Bar

04/12/2012 8:52 AM

In the previous post of Busbars everyone have mentioned about bus bar area ie only the about width and thickness. What about the length of bus bar to be used, whose resistance plays an important role in deciding the ampacity of busbar?

i have seen a formula,

where A=Area, I= Current capacity, N= no of conductors

I want to know if it is a valid formula or not?

Besides i want to know the bus bar size calculation for a dc system.
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lyn
Guru

Join Date: Oct 2008
Posts: 42355
Good Answers: 1693
#2

Re: Bus bar

04/12/2012 2:00 PM

Are you a student?
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TonyS
Guru
United Kingdom - Member - New Member

Join Date: Aug 2010
Location: Resting under the Major Oak
Posts: 4347
Good Answers: 181
#3
In reply to #2

Re: Bus bar

04/13/2012 2:03 AM

I feel sorry for his teachers if he is!

__________________
 The reports of my death are greatly exaggerated.
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electricalexpert65
Guru

Join Date: Oct 2009
Posts: 2061
Good Answers: 169
#4

Re: Bus bar

04/15/2012 10:16 AM

I suggest you attend to L & T's Training Programme "Electrical Design of Switchgear Assembly-Advanced" atany of their Switchgear Training Centres at Pune, Lucknow or Coonoor.
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sujinvipin
Commentator

Join Date: Aug 2011
Posts: 93
#5

Re: Bus Bar

04/16/2012 2:13 AM

Sorry for asking, because i only know the purpose of Busbars, never been to select and design the size of it before, i know how to select according to ratings just like others it is not so difficult, but some conditions have to considered before selection such as its properties, its application,no of busbars etc. I know you guys are great experts, if you feel my questions as itchy i can stop here. Once again sorry....
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Users who posted comments:

Anonymous Poster (1); electricalexpert65 (1); lyn (1); sujinvipin (1); TonyS (1)

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