I’m not sure either. The state estimation code in MATPOWER’s extras directory
is in polar coordinates, so I suppose your measurements need to be converted to
polar coordinates.
Ray
> On Sep 21, 2015, at 9:34 PM, Ji Chen <[email protected]> wrote:
>
> Hi Ray,
> I'm tring to do state estimation with measurements V and I in rectangular
> form. Measurement noise is simulated as independent zero-mean Gaussian with
> standard deviation per real component 0.01 and 0.02 for voltages and
> currents, respectively. Ir and Vr are real parts of I and V respectively.
> I'm not sure if the following codes are right. What's more, how to deal
> with the imaginary componets?
>
> Ir=Ir+0.02.*randn(length(Ir),1);
> Vr=Vr+0.01.*randn(length(Vr),1);
>
> Best Regards！
>
>
>
