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Arc Flash Hazard Analysis

Arc flash hazard analysis is carried out in the Short Circuit focus. The analysis yields results as required by NFPA-70E. NFPA requires specification of the arc flash boundary (AFB) and the incident arc energy at a probable working distance. Various analysis options are available such as the type of calculation method, working distances, units, type of enclosure for equipment, and use of arcing time. Results can be viewed on the one-line and in spreadsheet reports. The arc flash report is an interactive spreadsheet, in which you can change some values and the results change automatically. You can create Work Permits for working on energized equipment that recommends the appropriate PPE based on arc flash hazard analysis and the nature of work.

This tutorial demonstrates how to use several of EasyPower’s arc flash analysis features. EasyPower ArcFlashä is integrated with the program’s short circuit analysis feature, so the interfaces are similar.

Short Circuit Focus

To perform an arc flash analysis, you must be in the Short Circuit focus.

  1. Open the Protection-1.dez file in your Samples directory.
  2. Click Short Circuit to open the Short Circuit focus.

Tip: Hold down the mouse wheel while dragging to move the view of the one-line. You can roll the mouse wheel or use the zoom controls in the lower right side of the window to control how large the one-line items appear.

More Information

Calculating Arc Flash Hazards / Currents Default Data in Library
Arc Flash Hazard Options Defining PPE Levels
Specifying Arc Flash Hazard Data for Equipment Creating Energized Electrical Work Permits
Arc Flash Hazard Reports Troubleshooting Arc Flash Hazard Results
Arc Flash Hazard Labels Determination of System Grounding
Scenario Comparison Report Maintenance Mode Trip

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Help was last updated on 8/26/2014