High Voltage Phase to Ground Arc in Open Air Calculation Example using Arc-Flash-Analytic v 4.1

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Consider 242kV rated overhead line and 5 kA phase to ground fault cleared within 1 second by upstream expulsion fuse. Incident Energy, Hazard Risk Category, Assumed Working distance and Typical Personal Protective Equipment (PPE) will be determined based on NFPA 70E procedure for estimating incident energy exposure for live line work on overhead open air systems.

 

Spend $400 or more on ARCAD stocked products and get Arc Flash Analytic 4.1.2 software FREE Must mention ESAVINGS promotional code in comments field upon checkout or by email to sales@arcadvisor.com Arc Flash Analytic v4.1.2 is now available by mail in CD format or via download from our web server. Please select your preferred media format from the drop down menu below. You can make the payment online using Visa or MasterCard credit card or PayPal balance. We will send you the installation package along with your individual product registration credentials same day or day after you placed the order. We also accept Purchase Orders, Wire Transfer, Interac Email Money Transfer (Canada), International Money Orders and Certified Cheques. Price: US $220.00 Select Media CD format Download from webserver End User First & Last Names Company Name Free Short Circuit Software included capable to: build comprehensive one-line diagrams save a system and open a previously saved system print out input, output values and one-line diagrams calculate minimum and maximum available short-circuit currents. More Information

We start with entering system line voltage and clicking on [Calculate Gap and Distance] button to determine assumed arc gap and assumed working distances based on the NFPA 70E procedure. In our example, they would be equal to 14 in. and 35 in. respectively.

System Summary and Calculation Results including Incident Energy, Hazard Risk Category, Assumed Working distance and Typical Personal Protective Equipment (PPE) will be displayed by hitting [Next] button.

By pressing [Save Results] button, the results will be saved to a text file for future reference or printing. You can save results for different jobs under different names. By choosing Open from File menu ( see Figure 1 above) you can open an existing results file, inspect its current content, do simple editing operations including Cut, Copy and Paste to and from the clipboard, Save and Print. If you need more complex editing, import the file into your favorite text manipulation processor ( MS Word as an example ) and do what you need to do.

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Incident Energy Arc Flash Exposure for Live Line Work

Demonstrates arc flash analysis based on NFPA 70E and CSA Z462 Phase to Ground Arc in Open Air Model and its implementation in Arc Flash Analytic 4.1 arc flash hazard analysis and label making computer program.

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