Thank you for the information sir... On Thu, Nov 18, 2021 at 9:44 PM Ray Daniel Zimmerman <[email protected]> wrote:
> First, if you are using runopf_w_res(), you are solving a deterministic > problem … i.e. you must specify a capacity (PMAX) for your RES units that > is/will be available with certainty. If this is not what you want, maybe > you want to look into the stochastic approach taken by MOST, which is by > nature much more complicated, unfortunately. > > To your first question, the max reserves for RES are whatever you decide. > They are inputs to the problem. In any case, the dispatch plus reserves > provided by any unit, CG or RES, will be less than the PMAX, which is where > you specify the available capacity for RES. > > On the second question, it is co-optimizing energy and reserves (not > dispatching energy first), so the optimal solution will depend on both > energy and reserve costs and their interactions with the reserve > requirements you’ve specified. It sounds to me like, either your reserve > requirements do not include alternative ways to provide those reserves, or > those alternatives are more expensive > > Hope this helps, > > Ray > > > > > On Nov 18, 2021, at 1:25 AM, sebaa haddi <[email protected]> wrote: > > Dear Dir , you query is a good topic also , the reserve should be > intermittent within the the specified limits in case of RES, the stochastic > optimization can give only the optimal amount either in high amount or in > less amount depending on the introduced data of RES sources... > > > Le jeudi 18 novembre 2021, 07:25:41 UTC+1, ritu jain < > [email protected]> a écrit : > > > Hello all, > I am working on joint energy and reserve market optimization for 24 hours > on IEEE 30 bus system. . In my case I am using both > conventional generators(CGs) and RES generation(wind and solar). For CGs, i > have fixed the maximum reserves (max reserve=capacity available-dispatched > during peak load) but I am doubt what will be the maximum reserve in case > of RES. While performing opf using "runopf_w_res" i am not getting > satisfactory results. I am having following queries: > 1. what will be the maximum reserve in case of RES as they are variable. > 2. In case1, I have taken that RES will participate in Energy market > (EM)only in that case, I am getting that maximum RES is dispatched in EM > (due to low cost). Whereas, in case 2 when RES is participating in both > energy and reserve market (RM)( I am taking maximum reserve of RES as their > installed capacity) , the energy dispatched in energy market > is different than in case1 i.e. limited RES energy is dispatched in EM and > most of it is dispatched in RM. What is the reason, as the energy market is > dispatched first then maximum power of RES should be dispatched in that and > the remaining power of RES should be dispatched in RM. > Please give your valuable suggestions regarding the same. > Thanks in advance. > > >
