lecture 7 Power, Transmission_v.2

Ne the available transmission capacity between two

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Unformatted text preview: ure 1, without losses. B dispatched quantities (qi and q2) are not independent of each other. Indeed, re 2 makes evident that the i- lateral trading 1 s very difficult. uld appear feasible to dispatch 300 MW of q1 and 220 MW of q2, if they were separately considered. ever, in Figure 2, pointG1 sells 300 MW to L is, when the two transmission bundles are A is clearly infeasible. This ultaneously dispatched, the combination 00 Mthe capacity of line (2,3). G2 sells 2violates W to L reover, point B in Figure Impossible to dispatch. Violates 23 constraint: P + 2P ≤ 660. 2 is feasible. This implies that it is feasible to allow the dispatch 400 MW 1 2 node 1 and 100 MW from node 2. However, the exercise of the rights to dispatch the 400 MW from e 1 “obligates” the dispatch of 100MW from node 2 to ensure feasibility. This is clear in Figure 2 But G1 at 400 and G2 at 100 can be dispatched. ause point B is the only feasible dispatch bundle in which q1 is 400 MW. illustrated by this very simple example, the existence of loop flow 2 implies that it is not possible to How should this be coordinated in a bi- lateral market? ne the available transmission capacity between two nodes in a point of time without the existence of plete information about the use (status) of the network at that time. Full decentralizaTon unlikely to work. ddition, the existence...
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