Power Flow Software
Power Flow Software
(OP)
Hello, I'm planning on buy a software to perform Coordination Studies, Short Circuit, Power Flow, Arc Flash and possible Harmonics. Could you people give me some advice between ETAP and ESA, pros versus cons. Which may be the best way to go getting the more practical uses of the software compared to their cost. Thank's for your help.






RE: Power Flow Software
The usability and module integration in the last few versions of ETAP is light-years ahead of EDSA. As a matter of fact, even the older versions of ETAP had better usability and integration than the newest EDSA.
Even EDSA's claim of 100% AutoCAD compatibility is not exactly correct. ETAP imports into AutoCAD more easily and cleanly.
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Fairly easy to learn, but I would suggest going to a SKM class to jump start you if you decide to take this route.
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Does anyone know what is the cost difference between these two software packages (standard Load flow, Faul Level, Protection, Cable Ampacity, Earthing etc modules)
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See also http://www.neplan.ch/
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I have limited experience with the other products, but everyone I know who has used EDSA and some other software always prefers the other software. But that's not based on any hands-on experience on my part, at least for many years.
But the proof of the pudding is in the eating. Try to ignore the long checklists of features and focus on how quickly you can get work done. I'd get evaluation copies and put them to the test on your type of systems.
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Classical load flow analysis is generally for three-phase systems and only uses constant-power load types. General utility distribution loads are closer to a constant-current model (1% voltage increase results in 1% kVA load increase).
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It (DIgSilent) appears very comprehensive.
The website is: http://www.digsilent.de
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This is normally the space where people post something insightful.
RE: Power Flow Software
try Neplan (previously called Calpos).
I have used it several years ago but I know from today's customers that it is quite easy to use.