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Maximun incremental transfer (MW) in PV analysis

asked 2023-10-30 21:55:30 -0500

vetero gravatar image

Hi everyone, I'm using PV analysis to determine voltage collapse point (nose point), But the result is that the PV curves cannot determine the nose point, I think the Maximun incremental transfer is not not enough to make voltage collapse. How can I do to increase the "Maximun incremental transfer" ? Thank you

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answered 2023-11-02 09:15:30 -0500

jconto gravatar image

updated 2023-11-03 11:13:27 -0500

Choose the "no limits" option for the source and sink.

I suggest to set your source to generation by selecting "Subsystem machines MW" and your sink to load by selecting "Subsystem load" and set "Min monitored bus voltage in PU for terminating analysis" to 0.1

To get a script: on the GUI, record to python while selecting the option in the 'PV Analysis' screen.

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Thank you for your answer. I tried to choose "No Limit" in "Generation limits flag for tranfer dispatch method using generation" anh set Maximun incremental transfer = 3000MW, but in "PV Result", "Max incr.transfer" only is 1400MW (expected value is 3000MW).

vetero gravatar imagevetero ( 2023-11-02 22:40:40 -0500 )edit

Updated my answer above. There no 'expected value is 3000MW', since the process will find the max MW transfer (usually below the max value) that is marked as voltage collapse.

jconto gravatar imagejconto ( 2023-11-03 11:15:26 -0500 )edit

I tried the solution, but the max MW transfer is not changed. And I have a question, why do different buses have only one "Max incr.transfer" in PV result ?, I think different buses must have different max MW transfer to make voltage collapse. Thank you

vetero gravatar imagevetero ( 2023-11-05 19:17:45 -0500 )edit

Try a max transfer value = 10000 MW. The power transfer is between two regions, so buses in the sink region would have the same number of transfer points or same "Max incre. transfer" when a voltage collapse condition is not reached yet.

jconto gravatar imagejconto ( 2023-11-06 14:27:50 -0500 )edit

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Asked: 2023-10-30 21:55:30 -0500

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Last updated: Nov 03 '23