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| 25Hz System Arc Flash https://brainfiller.com/arcflashforum/viewtopic.php?f=2&t=2357 |
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| Author: | Wally Vahlstrom [ Wed Jul 25, 2012 11:42 am ] |
| Post subject: | 25Hz System Arc Flash |
Can anyone provide guidance or share experiences regarding arc flash calculations for 25Hz systems ? |
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| Author: | JCV [ Wed Jul 25, 2012 12:26 pm ] | ||
| Post subject: | |||
Good Question!!! Below is an excerpt from IEEE 1584, it looks like tests have been performed on 50hz and 60hz. I'd be curious as to what would be a conservative approach to a 25Hz system. Is this a portion of a system? or is utility 25Hz? [ATTACH=full]244[/ATTACH]
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