Convergence Issues

[PB-vines]

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Issue

Hello,

I have a network that runs a PF and OPF when imported and all line lengths are 1. When I update the line lengths to what they are supposed to be, the network does not converge. Could someone give advice regarding fixing this issue? I have no impedance values close to zero, as checked with the diagnostic tool.

I do get the warning:

"ComplexWarning: Casting complex values to real discards the imaginary part Sf = V[ branch[:, F_BUS].astype(int) ] * conj(Yf * V) ## cplx pwr at "from" bus, p["u"]."

and

"Casting complex values to real discards the imaginary part muSt[il] = "

However, I have verified that all inputs required by PP are correct. I am running a time series simulation, and found another post where someone had a ComplexWarning, but no responses were helpful. I am not running a 3 phase power flow.

Thanks.

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