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Apply asymmetrical fault at a particular phase

asked 2016-09-08 14:36:51 -0500

hyperbola7
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updated 2016-09-08 14:39:49 -0500

I am using psspy to run transient analysis on a huge network. I am storing the voltage and angle snapshot of every bus at every 40 millisecond. At some time instant I want to apply an asymmetrical fault at one line in a particular phase (say, LG fault at phase B of the line between bus IDs 201 and 202). I want to store the transient disturbances (voltage and angle at all the buses) arising from that.

I have tried using the modules like SCMU etc. which seem to give the data of just the steady post-fault values. Also, modules like dist_scmu_fault_2 do not seem to work on my system and shows an error: module not found.

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answered 2016-09-11 08:40:46 -0500

jconto
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updated 2016-09-11 08:44:11 -0500

C:\fakepath\asymfault.png The attached file is a py script file that will simulate your asymmetric fault definition.

I used the recording option in PSSe v 33.9 and it came out with dist_scmu_fault

Once downloaded, rename it from*.png to *.py

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This is what I did too. However the LG fault is always applied at phase A in this case. How to apply it on other phases?

hyperbola7 ( 2016-09-12 00:44:06 -0500 )edit

PSSe models a positive sequence network, therefore values for asymmetric fault at Phase A are the same as for Phase B or C.

jconto ( 2016-09-12 19:34:28 -0500 )edit

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Asked: 2016-09-08 14:36:51 -0500

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Last updated: Sep 11 '16

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