Short-term resource scheduling -- hydro-thermal coordination
29 maio 2018, 11:00 • Luis Marcelino Ferreira
The overall problem of short-term resource scheduling
View of lmf’s paper (see page)
Why Lagrangean duality
Review of saddle point theorem
Look at objective function -- separability
The complexity of a primal solution
Check for a dual solution
Derivation of a simplified version for resource scheduling
The dual function q(λ) can be evaluated
How to max q(λ) -- gradients
Master problem and subproblems
Economic interpretation and bidding markets
Hydro subproblem: max value, not max energy
Classic hydro-thermal coordination
Hydro for peak-shaving
Why should it be peak-shaving (math and economics)
When it can and when it cannot happen (math and economics)
Problem 14
Discussion and solution
Review of Problem 12 and water values
The importance of finding a tree and the right tree
The partition of A into B and N -- basic and nonbasic variables
The Lagrange multipliers for bounds, including on turbine capacity arcs