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Question About bus fault in python

asked 2017-04-05 05:42:34 -0500

Cynthia Hsu gravatar image

updated 2017-04-05 05:49:41 -0500

There are two commands to apply bus fault using python: dist_bus_fault and dist_bus_fault_2. Below is citation of dist_bus_fault from API Manual:

Use this API routine to apply a fault at a bus during dynamic simulations. (Note: use DISTBUSFAULT_2 if phase voltages are to be calculated during the simulation.)

It says phase voltages are calculated during the simulation using dist_bus_fault_2.

But I can't see any phase value in the output, what I can see is the bus voltage and there is no difference when I set different fault phase.

How can I observe the phase voltage it calculated(so I can seethe difference)? Or is there any way to observe phase voltage during dynamic simulation in PSS\E?

Always waiting for help and best wishes to you all :)

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answered 2017-04-21 10:29:47 -0500

Informative

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answered 2017-04-06 00:46:27 -0500

perolofl gravatar image

The negative and zero sequence are not represented in a dynamic simulation. Only the positive system is represented so it is not possible to calculate the phase voltages for unsymmetrical fault. At simulation of unsymmetrical faults only the positive sequence voltage is calculated and plotted.

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Asked: 2017-04-05 05:42:34 -0500

Seen: 859 times

Last updated: Apr 21 '17