The state estimation code is contributed code (not a part of core MATPOWER), so
if you don’t get help from others here, I suggest you try contacting the author
directly.
Ray
> On Dec 26, 2018, at 11:11 AM, Mohsen Jorjani <[email protected]> wrote:
>
> Hello
> I have a question regarding state estimation code in matpower. As you know,
> the system measurements include line power flows, voltage magnitudes and bus
> power injections. Bus in the code which is provided in matpower (in se folder
> located under the extras), there is only the possibility to define generated
> active and reactive power measurement at each bus instead of bus power
> injection measurements. So consider we are going to define an active power
> injection measurement(P_inj) of - 20 MW for a PQ bus with active power
> consumption(P_L) of 18 MW. How should this measurement be define? Should I
> define a generator in this bus and set the generated power(P_G) of this bus
> to be -2 MW (Because P_inj= P_G-P_L)? Is that true?
> My other question is about the concept of state estimation. If we have
> measurements of the sysytem and then replace measurement of a part of the
> system such that the new measurements in this part of the system obey KCL and
> KVL, does the value of residual reduce?
