Hi Tatiana,

Your understanding seems to be correct, so it’s difficult for me to know what’s 
going on. Could you send me (off list) the input files and a minimal script 
needed to reproduce the problem so I can look into it?

Thanks,

    Ray


> On Oct 13, 2016, at 10:39 AM, Tatiana Carolina Cantillo Garcia 
> <tcanti...@uninorte.edu.co> wrote:
> 
> Dear all,  
> 
> I have a question about setting ramp constrains in the multiperiod problem in 
> MOST. 
> I have noticed that the ramp constrains (which are defined in the RAMP_30 ,  
> PositiveLoadFollowReserveQuantity and NegativeActiveReserveQuantity columns 
> of the gen and the xgd matrix)  are violated in the period t=0 to t=1.  
> For example, I have fixed the ramping limits of the first unit of my 
> optimization problem to 10MW  ( mpc.gen(1,RAMP_30)=10, 
> xgd.PositiveLoadFollowReserveQuantity(1)=10), and the active power dispatch 
> at time t=0 (previous to optimization) is set to 100MW ( 
> xgd.InitialPg(1)=100). Thus, I would expect, the generation dispatch of the 
> first unit at the first period to be restricted to 110MW. However when I run 
> the multiperiod problem, the results show that the generation dispatch of the 
> first unit at the first period is 200MW. 
> 
> How can I correct this?
> 
> Thank you very much, 
> Tatiana Cantillo
> 
> 
> 
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