Double Circuit Line Modelling
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Hi,
I modelling double circuit line with Distributed Parameter Line. I have positive and zero sequence impedance of line and mutual impedance of lines. How to enter this data to block parameters? I think this block six=phase, but I don't know how need to form matrices of line parameters. Do you have examples?
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Sebastian Castro
2014-11-20
Hello,
You only have to use a matrix if the line is asymmetric.
For a symmetrical line, you can either specify the N-by-N matrix or the sequence parameters. For a two-phase or three-phase continuously transposed line, you can enter the positive and zero-sequence resistances [r1 r0] . For a symmetrical six-phase line you can enter the sequence parameters plus the zero-sequence mutual resistance [r1 r0 r0m].
If your line is asymmetric, you can double-click the Powergui block in your model and select Compute RLC Line Parameters . This can help you get matrices and push them into a block, although I think the information you have is more compatible with the [r1 r0 r0m] block entries.
Best,
Sebastian
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