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The results obtained by modeling the transmission expansion planning problem using the mathematical modeling software AMPL and solving it using the optimization software packages CPLEX and KNITRO are analyzed. The obtained results are compared with optimal solutions from different test systems found in the literature. An alternative test to the mathematical models that uses modeling software and commercial solvers is presented as a previous step to the implementation of those models using self-made solvers based on metaheuristics and exact techniques that can solve the real life complex problem that the commercial solver can't solve. Key Word — AMPL, exact solution methods, solvers, transmission expansion planning.

Planeamiento de sistemas de transmisiÃ³n de energÃa elÃ©ctrica usando AMPL