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Arc-Flash-Analytic version 5.0 (AFA V5.0) software program has been developed based on IEEE 1584 Guide for Performing Arc-Flash Hazard Calculations as an easy to use and comprehensive tool for calculating arc incident energy and arc flash boundary, for determining limited, restricted, prohibited approach boundaries and hazard risk category required by NEC / CEC and OSHA when work is to be performed on or near the energized equipment. Also, the program allows one to calculate initial pressure generated by arc blast and arc flash TNT (TriNitroToluen) equivalent.Download AFA V5.0 Demo Free (EXE file)
Features and Benefits:
- Detailed arc flash analysis using the IEEE 1584 equations and the Lee method.
- Ensure compliance with NEC, OSHA, NFPA 70E, IEEE P1584 and CSA Z462 standards and regulations.
- Instantly determine arcing current, incident energy, arc flash, limited, restricted and prohibited shock approach boundaries, hazard risk category, typical clothing system.
- Perform arc flash boundary calculations based on 1.2 cal/cm^2 (5 Joules/cm^2) onset energy to second degree burn for bare skin exposure per IEEE 1584 Guide and other incident energy levels as well, such as the rating of proposed personal protective equipment, or evaluated onset to second degree burn energy.
- Calculate initial arc blast explosion pressure and arc flash TNT (Tri-Nitro-Toluen) mass equivalent
- Add fuse and circuit breaker data including time-current characteristics for the devices that are not already featured in the built-in protection device library.
- Set arc duration cut-off in the 2 to 10 second range.
- Create warning labels in English and a variety of international languages.
- Preview, save, print arc flash labels in high resolution graphic and PDF formats.
- Save input configuration, protection device information.
- Perform analysis using metric, imperial units.
- Save reports including equipment data, calculation results, warning label.
Additional information about AFA v 5.0 and IEEE 1584 Empirical Model that the program is built upon
The IEEE 1584 empirically derived model was chosen for arc flash analysis due to the model's capability to accurately account for a wide variety of setup parameters including:
- open and box equipment configurations
- grounding of all types and ungrounded
- gap between conductors of 3 to 152 mm. (0.12 to 6 inches)
- bolted fault currents in the range of 700A to 106kA
- system voltages in the range of 208V to 15kV
- working distances from 10 to 80 inches
For cases where voltage is over 15kV or gap is outside the range of the model, the theoretically derived Lee method can be applied and it is included in Arc Flash Analytic v5.0.
The program takes equipment configuration, gap between electrodes, grounding type, short circuit fault current value and system voltage on input, and determines arcing fault current at potential point of fault.
For protective devices operating in the steep portion of their time-current curves, a small change in current causes a big change in corresponding operating time. Incident energy is linear with time, and consequently arc current variations may have a big effect on incident energy. The IEEE 1584 proposed solution is to make two arc current and energy calculations: one using the calculated expected arc current and another one using a reduced arc current that is 15% lower.
The arc flash software enables calculations for both of the above considered cases. The IEEE 1584 Empirically Derived Model procedure requires that an operating time be determined for both the expected arc current and the reduced arc current. The AFA V5.0 software program predicts arcing fault current for a given configuration and amount of the available 3-phase short circuit current and determines arc duration based on the amount of predicted arcing current.
Next, the incident energy, arc flash boundary, shock protection boundaries and level of personnel protective equipment are determined based on equipment configuration, selected upstream protection device time-current characteristic and working distance.
Then, the larger incident energy is taken as the model result. This solution was developed by comparing the results of arc current calculations using the best available arc current equation with actual measured arc current in the test database. Note how the System Summary and Calculation Results Screen displays calculation results both for predicted and reduced by 15% Arcing Current with worst case scenario values highlighted. These are the values that will be displayed on warning label once you click on [Create Label] button.
AFA V5.0 was written in C# programming language, best viewed as a descendant of both C++ and Java languages. The language was developed by Microsoft within its .NET initiative and later approved as a standard by ECMA (ECMA-334) and ISO (ISO/IEC 23270:2006). SCA V1.0 requires Microsoft .NET Framework Version 3.5 or higher to run. If you experience problems running AFA V5.0 once you install it on your PC, check please if you have .NET Framework Version 3.5 or higher installed on your PC system. To see which versions are installed, view the %WINDIR%\Microsoft.NET\Framework directory. (You should also view the Framework 64 directory on a 64-bit computer, which can have 32 or 64-bit versions installed.) Each version of the .NET Framework has a directory, and the first two digits of the directory name identify the .NET Framework version; for example: v1.1.4322 for the .NET Framework 1.1, v3.5 for the .NET Framework 3.5, and so on. If there is no Microsoft .NET framework installed on your system, or the installed .NET framework version is less than 3.5, please download .NET Framework Version 3.5 link to update your system. Should you encounter any problem installing or running AFA V5.0, contact us and we will assist you in identifying and resolving the problem.