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Three-Phase PI Section Line Parameters

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Kyle Ingraham
Kyle Ingraham on 23 Sep 2011
Answered: Joel Van Sickel on 18 Aug 2021
For the model that I am building I do not have access to zero-sequence impedance values for the conductors that I am using. Am I right in assuming that this will not affect my load flow and simulation results? Is there any way to calculate these values?
Thank you, Kyle

Answers (1)

Joel Van Sickel
Joel Van Sickel on 18 Aug 2021
Hello,
as part of an effor to clean up matlab answers, this response is being made even though it is far too late to be of use to the asker:
You can ignore zero-sequence to get a basic idea of how your system will perform, especially if it is balanced, however, instead of leaving it at zero, you might consider making the same as your positive sequence (or a bit smaller) This is not ideal however. There are tools to help estimate these parameters if you know your conductor's geometry.
Regards,
Joel

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