ETAP 6.0 Calculation error
ETAP 6.0 Calculation error
(OP)
Hi All,
Being using ETAP 6.0 for a few years now and I just modeled a refinery with approx. 11 substation and a power generating plant. The problem i am having is whenever I try to run a SC or LF, it gives me this calculation error: "Calculation aborted due to superfluous branch connection". I have never gotten this error before and I have spent the past few days checking each bus and branch connections to identify the apparent error. The software does not ID the branch/s triggering the error nor does the help section provide an explaination.
Does any one have a suggestion as to what might be the problem base on past experience? Any help will be greatly appreciated.
Regards
Being using ETAP 6.0 for a few years now and I just modeled a refinery with approx. 11 substation and a power generating plant. The problem i am having is whenever I try to run a SC or LF, it gives me this calculation error: "Calculation aborted due to superfluous branch connection". I have never gotten this error before and I have spent the past few days checking each bus and branch connections to identify the apparent error. The software does not ID the branch/s triggering the error nor does the help section provide an explaination.
Does any one have a suggestion as to what might be the problem base on past experience? Any help will be greatly appreciated.
Regards






RE: ETAP 6.0 Calculation error
David Castor
www.cvoes.com
RE: ETAP 6.0 Calculation error
By the way I always try SC calcs at regular intervals as I build the system in the software, rather than waiting till end. This narrows down the field of error and also resolves the issues much more quickly as I know where I worked on the system after my last check.
Rafiq Bulsara
http://www.srengineersct.com
RE: ETAP 6.0 Calculation error
In your SLD there should be an unintentional short circuit path or paths (eg. a closed switch short circuiting an impedance).Therefore,my advice is to throughly check your one line diagram for such unintentional short circuit path(s).Such a situation is very possible while it was being drawn specially for a large netwrok with 11 subsstations.As rbulsara pointed out,my second advice is to do either LF or SC calculations time to time while you are building up the SLD.Donot wait for the complete SLD to perform LF or SC studies specially for large networks.Hope this helps.
RE: ETAP 6.0 Calculation error
RE: ETAP 6.0 Calculation error
RE: ETAP 6.0 Calculation error
Thank you for the feedback.
Rafiq Bulsara
http://www.srengineersct.com
RE: ETAP 6.0 Calculation error
You are welcome.Many thanks for your feed back too.