Have you checked the ramp rates in mpc.gen(:, RATE_30) for each generator?
Given the flat dispatches of gens 1 and 2 and the linear ramping of the solar,
it seems likely that the ramp limits are binding somewhere.
Ray
> On Oct 23, 2018, at 1:55 PM, Ekuru Ebyau <[email protected]> wrote:
>
> Hello,
> I am try to perform economic dispatch on a network with 3 diesel generators
> (0.4 MW, 0.12 MW and 0.256 MW), a storage system rated 0.65 MW and 0.6MW
> solar generation.
>
> The solution converges however from the profiles of each of the generators,
> the solar Pv is under utilised while the diesel generators are supporting the
> load. This scenario has puzzled me. I have tried making the diesel more
> expensive since the solar PV is at zero cost but this not improve the output
> of the PV despite more have more sunshine.
>
> the Generator costs are as below:
> mpc.gencost = [
> 1 200 150 3 0.200 0.0504 0.300 0.0762 0.400 0.102;
> 1 150 100 3 0.128 0.0463 0.192 0.0776 0.256 0.108;
> 1 100 25 3 0.800 0.0346 0.120 0.057 0.160 0.064;
> Please advice
>
> Edward Ekuru Ebyau.
> <plots.pdf>
