Training Recording: Arc-Flash Calculations « Knowledge Base

Training Recording: Arc-Flash Calculations

Thursday, May 19th, 2022

Review the basics of arc-flash calculations, then look at how to perform them in Design Master Electrical RT.

We look at the following topics for arc-flash calculations:

Issues Design Master users face when calculating arc-flash (01:00)
Calculating fault current values (01:53)
- Getting the starting fault from the utility (02:38)
- Determining wire lengths and sizes (03:08)
The underlying basis for arc-flash calculations (05:30)
Configuring your devices in the Panel Edit command (09:19)
- Electrode configuration (10:47)
  - Electrode Configurations for Arc-Flash Calculations article in the knowledge base (10:58)
  - Arc-Flash Settings and Sensitivity (IEEE Std 1584-2018) article in the knowledge base (12:33)
- Enclosure size (14:17)
- Gap between conductors (17:19)
- Working distance (19:30)
- Arcing time (21:26)
- Resultant calculations for incident energy and arc-flash boundary distance (23:23)
Determining the breakers for each device (24:47)
The arc-flash schedule and the Arc-Flash Stickers commands (32:46)
- Anatomy of an arc-flash sticker (34:22)

We also answer the following questions:

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