Dear Ray,
Thank you very much for your help. The problem caused by the fact, that the
physical ramp limits in the gen matrix (RAMP_10, RAMP_30 …) were set to zero.
Kind regards,
Maurus
> On 20 Sep 2016, at 20:53, Ray Zimmerman wrote:
>
> Well, it is possible that it is
Well, it is possible that it is simply the solution with least expected cost.
If, for instance, other generators have large ramping or redispatch costs, it
can be optimal to simply not use a generator that may fail in order to avoid
redispatch costs. On the other hand, physical ramp limits