Hi All. With regard to the use of load flow for radial networks, I would
 like to know if there is for distribution systems with several separately
 represented radial feeders. That is, each one With their respective sources
 (substations).
For example, note the case 16 buses below

[cid:1d225046-6652-4dd9-a8bc-c7bd6722849e]


This case can be represented in MATPOWER in two different ways, as
 below:

A)
%          bus_i     type ...


mpc.bus = [ 1          3  ...
            2          1  ...
            3          1  ...
            4          1  ...
            5          1  ...
            6          1  ...

            7          1  ...
            8          1  ...
            9          1  ...
           10          1  ...
           11          1  ...
           12          1  ...
           13          1  ...
           14          1  ...];



 B)
%          bus_i     type ...


mpc.bus = [ 1          3  ...
            2          3  ...
            3          3  ...
            4          1  ...
            5          1  ...
            6          1  ...

            7          1  ...
            8          1  ...
            9          1  ...
           10          1  ...
           11          1  ...
           12          1  ...
           13          1  ...
           14          1  ...
           15          1  ...
           16          1  ...];


When carrying out the load flow for the two cases (A and B),
success was obtained for the two cases by Newton's method.
However, for the PSUM, ISUM, and YSUM methods, none
of them were successful.
Can anyone tell me if there is the possibility of running the load flow
 for distribution systems Radials that use the representation of a
 substation for each feeder?

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