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Short Circuit Calculation Information
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Author:  Teddy [ Tue Oct 01, 2013 7:47 am ]
Post subject:  Short Circuit Calculation Information
If I had to make a checklist of information to gather in the field for a short circuit calculation (and later on a Arc Flash Calculation) what would those be. I am looking for things like Utility transformer ratings X/R ratings.
Author:  wbd [ Tue Oct 01, 2013 8:23 am ]
Post subject: 
Ok, short circuit calculation and arc flash calculation require different information. For example: for a short ckt calc, you do not need the protective device details (manufacturer, bkr size, trip, instantaneous, etc) whereas for arc flash you do.

The list can be extensive if you include all the equipment variables.

I would suggest you get Jim Phillips book as Chapter 4 details the data collection process needed for an arc flash hazard analysis.
Author:  Bryan Rupert [ Mon Oct 07, 2013 5:33 am ]
Post subject: 
Also check out [url='http://facilityresults.com/W1/flashtrack-interface/']FlashTrack™[/url] software. http://facilityresults.com/W1/flashtrack-interface/
[url='http://facilityresults.com/W1/flashtrack-interface/']FlashTrack™[/url] is an award winning data collection software tool (ISHN Reader Choice 2013). [url='http://facilityresults.com/W1/flashtrack-interface/']FlashTrack™[/url] was developed for the purpose of collecting the required equipment attributes that are needed to conduct an arc flash analysis. These same attributes can be used to complete a coordination study or short circuit analysis. [url='http://facilityresults.com/W1/flashtrack-interface/']FlashTrack™[/url] allows the qualified data collector to model equipment relationships using a drag-n-drop interface. [url='http://facilityresults.com/W1/flashtrack-interface/']FlashTrack™[/url] is used to catalog the attributes in the format of a single-line diagram. [url='http://facilityresults.com/W1/flashtrack-interface/']FlashTrack™[/url] exports the completed files to an Excel file (.xls) or CSV file and produces a “Label Installation Report” containing the location of each item that requires a label to be installed. This report can have up to 4 photographs per item for easier item location. The label installation report will save you time and money and eliminate frustration when locating each piece of equipment.
Author:  arcad [ Mon Oct 14, 2013 11:56 am ]
Post subject: 
Teddy wrote:
If I had to make a checklist of information to gather in the field for a short circuit calculation (and later on a Arc Flash Calculation) what would those be. I am looking for things like Utility transformer ratings X/R ratings.


Please check http://www.arcadvisor.com/arcflash/short-circuit-equipment-data.html for typical equipment information required for short circuit study. You can also check http://www.arcadvisor.com/faq/arc-flash-data-collection-form.html for sample data collection form for arc flash analysis.
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