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ekstra   ara
 Post subject: transformer for instrument power
PostPosted: Sun Jun 08, 2008 7:56 am 
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Joined: Mon Apr 14, 2008 7:10 am
Posts: 142
In Code IEEE1584, page 6, last paragraph, it requires transformers supplying instrument power and protectvie-device data must be collected in arc flash study, anyone can elaborate it here? I doubt if we have to include this even the transformer is a very small one.


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