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DC Arc Flash Analytic

By ARCAD Free to try

Developer's Description

DC-Arc-Flash-Analytic version 3.0 (DCAFA V3.0) software simplifies determining incident energy at working distance, arc flash, limited and restricted approach boundaries in DC power systems when work is to be performed on or near the energized equipment. The program performs the analysis by taking into account power system voltage, available short circuit current, circuit time constant, equipment configuration, working distance and protective device time-current characteristics. DCAFA V3.0 will also assist you in selection of proper Personal Protective Equipment (PPE) and creation of arc flash & shock hazard warning labels. The program is applicable for systems with voltages from 180 to 15,000V DC, short circuit fault currents from 400A to 50kA, circuit time constants from 0 to 50msec, conductor gaps from 1 to 6 inches.

Arcing current can be expressed as a function of the length of the gap and arcing voltage. Arcing voltage can be derived as a function of arcing current, system voltage and the available fault current. DCAFA V3.0 calculates arcing current using the iterative method by cycling through the equations for arcing current and arcing voltage until the answers converge. Next, the program will determine arc duration based on protective device time-current characteristics and circuit time-constant. Lastly, the program will calculate incident energy at working distance, arc flash and shock protection boundaries.

DCAFA V3.0 comes complete with a built-in library of selected protection devices and the capability to extend the library. The program will determine arc duration based on predicted arcing current value, circuit time constant and selected protection device type and rating. While circuit time constant affects current rise and protective device performing characteristics, it will also have an impact on arc duration. Therefore, time current characteristic of the upstream protective device clearing the fault has to be adjusted for the time constant. If this occurs, the process of determining the protective device operating time is cumbersome. DCAFA V3.0 will cycle through relationships between the effective RMS current, available fault current, number of time constants, analytical expression for the selected protective device time-current characteristic and make proper adjustments to arc duration.

Full Specifications

What's new in version 3.0.1

General

Release December 14, 2015
Date Added December 14, 2015
Version 3.0.1

Operating Systems

Operating Systems Windows 10, Windows 2003, Windows Vista, Windows 98, Windows Me, Windows, Windows NT, Windows 2000, Windows 8, Windows Server 2008, Windows 7, Windows XP
Additional Requirements .NET Framework 3.5

Popularity

Total Downloads 19
Downloads Last Week 0
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