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 Post subject: Who does these studies on electrical systems ?
PostPosted: Tue Jun 21, 2011 4:49 pm 
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Joined: Sat May 01, 2010 2:20 am
Posts: 36
What is the customer usually required by the people doing study to do for the study ? oneline , cable lenghts, cb , fuse cat # zfor transformers, what ?
What should we ask a company that says they do af studies since these people do repair work also ?


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PostPosted: Thu Jun 23, 2011 6:27 am 
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Look at a recent thread at:

http://forums.mikeholt.com/showthread.php/137714-Arc-flash-analysis


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PostPosted: Thu Jun 23, 2011 7:53 am 
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Joined: Fri Sep 25, 2009 5:00 pm
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toolbbin wrote:
What is the customer usually required by the people doing study to do for the study ? oneline , cable lenghts, cb , fuse cat # zfor transformers, what ?
What should we ask a company that says they do af studies since these people do repair work also ?


You really need to be careful. There are a lot of excellent people and companies performing very good studies but there are also people that probably should not be in the business and are going to get someone killed. I have heard many stories. The problem is the person specifying the study needs to be educated as to what they need.

There are a lot of good threads/posts at this forum to help you out such as:

Discussion of future standard for specifying studies
http://arcflashforum.com/showthread.php?t=1056&highlight=ieee+1584.1
http://arcflashforum.com/showthread.php?t=703&highlight=ieee+1584.1
http://arcflashforum.com/showthread.php?t=96&highlight=ieee+1584.1

Guide for Studies
http://arcflashforum.com/showthread.php?t=22&highlight=how+to+perform+an+arc+flash+study

In addition the forum host has a book on how to perform the studies coming out soon. It should provide a lot of good info as well.

Lots of good info here.


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