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...The EasyPower is my drawing. I spent hours lining up buses and moving text blocks so everything fit and seemed cleaner. By contrast, SKM drawings almost always look like all that stuff is quantized to a grid and just happens mostly automatically. Maybe SKM engineers are just more orderly people

Here's an 'EasyPower vs. SKM' question: In SKM, how do you go about spacing your drawing elements? Do you need to think about that in SKM, or is there some sort of auto-spacing feature? For you EasyPower users out there, do you have any tricks to keep drawings easily legible? I've included two examples of what I consider to be typical single-line diagrams for EasyPower and SKM. In general, SKM drawings seem more orderly and evenly spaced, and EasyPower drawings seem more busy and cluttered. I try to get my drawings looking more like SKM-produced single lines, but there aren't any auto-spacing options in EasyPower as far as I can tell.

Thank you sir. I eventually found the breaker. I don't know if SKM is as loopy as EasyPower when it comes to libraries, but when I can't find the specific device I'm looking for, I'll usually have to do a web search on the product based on the data pulled from the photos of the actual product. Online, there will often be a separate descriptor or category description that doesn't appear on the device. Searching that in EasyPower will often bring up what I was looking for. I hate searching 1/2 hour for a single component, but here we are. edit: I need to start looking in the actual libraries more instead of using the component dialog boxes. Thanks for the reminder!

I would suggest doing a search on this site regarding electrode configuration. I've always personally tried to model it as it exists onsite, however, as in your case, if the configuration could be considered as more than one of the stock electrode configurations in software, the general consensus here has often been to model it as both and pick the one that produces the higher incident energy in a fault.

Found the NFPA 70E Annex R for everything Capacitors, so that helped.

I took the arc flash training and for DC it appears to boil down to the maximum power method used by NFPA 70E or some derivation of various technical papers as described in this page: https://brainfiller.com/electrical-safe ... culations/ One followup question is: How do you quantify currently contribution from capacitors in a DC circuit if they are sufficiently large? Would the developed formulas for DC arc flash encompass capacitor current contribution or would this be separately calculated?

Hi Everyone! I have some doubts! I hope you can help me. Currently, I´m doing an arc-flash study using ETAP software, but, I´ve notice that ETAP has a feature that allow us to provide one or two configurations for the electrodes, so, my doubt is: 1. If you have a Switchboard and the first configuration I mean electrode line side is VCBB until main CB (that is my firt configuration?) and load side of the main CB is VCB arrangement (that is my second configuration)? 2. After the main CB with VCB arrengment there is a change of the configuration I mean, the busbar configuration change to HCB, so, the main bus must be configurated as HCB and the enclosure configuration of the main CB must be VCBB - main CB - VCB? I share with you a screenshot of this feature. I would really appreciate your feedback and comments. Thank you in advance! Note: I apologize if my English is not perfect.

Hi Everyone! I have some doubts! I hope you can help me. Currently, I´m doing an arc-flash study using ETAP software, but, I´ve notice that ETAP has a feature that allow us to provide one or two configurations for the electrodes, so, my doubt is: 1. If you have a Switchboard and the first configuration I mean electrode line side is VCBB until main CB (that is my firt configuration?) and load side of the main CB is VCB arrangement (that is my second configuration)? 2. After the main CB with VCB arrengment there is a change of the configuration I mean, the busbar configuration change to HCB, so, the main bus must be configurated as HCB and the enclosure configuration of the main CB must be VCBB - main CB - VCB? I share with you a screenshot of this feature. I would really appreciate your feedback and comments. Thank you in advance! Note: I apologize if my English is not perfect.

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This tool could be helpful. eGalvanic has a tool that handles this as well as field efforts for IR scans. It works with both SKM and EasyPower. It can also assist with developing an EMP for the facility.

jweinzapfel - To get rid of the note from SKM, and IMO handle it best, in the "Arc Flash - Study Options", "Report Options" tab under "Report Options when Equipment Evaluation Failed" check the box for "Exclude Failed Devices". When the arc flash evaluation is ran and an overdutied device is identified, it will be ignored when determining the arc flash hazard for the downstream equipment. It will instead use the next upstream, adequately rated device. This often will result in an increased IE but is one that is more realistic. This can help strengthen the case for correcting the overdutied issued. Also, at the panel where a device is overdutied I recommend applying a red DANGER label indicating no personnel may access while energized due to inadequate equipment duty rating.

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