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updated 2018-04-24 01:46:08 -0500

I am learning to do dynamic simulation in 9-bus-system. My sav file has zero sequence data, and when I add bus fault, branch falut, unbalanced bus fault, everything is OK. But when I add an unbalanced branch fault to my network, there shows some information in outpubar. So what happen? How can I fixed this problem?

 Messages for api DIST_SPCB_FAULT_2
 Terminated due to invalid fault specification or application:   (003701)
 Invalid branch circuit "1" from bus 4 [BUS4        230.00] to bus 6 [BUS6        230.00]   (003702)
There is no path to ground at bus 4 [BUS4        230.00]   (003713)

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(https://drive.google.com/drive/folders/1iH4y3E1dKvNe8NJudOXCIiU5vIQUt9RH?usp=sharing) there are my 9-bus data and video recorded my simulation process, if you try to sovle it ,you can download from this link.

AlexYang ( 2018-04-24 01:48:36 -0500 )edit

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I confirm each branch in my data has positive sequence and zero sequence charging(B), but I can not add unbalanced fault. If you have time to test my data, I can send an email to you!

AlexYang ( 2018-04-23 07:57:46 -0500 )edit

Ok, send to me at perolofl@yahoo.com