Arc Flash IE and Iarc Calculators

Citation Author(s):
IEEE
Standards Association
Submitted by:
SA Dataport
Last updated:
Thu, 01/02/2020 - 09:36
DOI:
10.21227/8gch-a963
Data Format:
License:
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Abstract 

The excel spreadsheet files provide access to a functional Arc Flash Calculator that includes various equipment configurations (VCB, VCBB, HCB, VOA and HOA), Incident Energy and voltage ranges.

As equipment’s configuration and input fields are presented, the user will be able to key entry specific data using the proper input fields and/or pull down menus provided. All variables and constants are defined. When all variables inputs have been entered, and proper equipment configuration has been selected, the Calculator will solve the equations and the answer is returned.

The Calculator function within the spreadsheets provide quick access to data analysis that could increase the productivity for the user.

THIS CALCULATOR IS NOT A PART OF IEEE 1584-2018 AND WAS NOT DEVELOPED BY THE IEEE P1584 WORKING GROUP.

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Instructions: 

See Arc Flash IE and Iarc Calculators User Manual.pdf for full instructions.

Comments

This xlsx file does not take reduced arcing current I_arc_min into account. 

I_arc_min has an effect on tripping time of protection and can cause higher incident energy.

Submitted by Strahinja Ljiljak on Fri, 03/06/2020 - 11:02