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Heuristic methods for the evaluation of environmental impacts Chapter | 12  329


                                  Graphical of the power generators
                       300

                       250

                       200
                      Power  150



                       100

                        50

                         0
                         0      2      4      6      8      10     12
                                           Generators
             FIGURE 12.10 Output powers of the generator to the test system.


                                     Power per generator
                         900
                         800
                         700
                         600
                        Cost  500
                         400
                         300
                         200
                         100
                           0
                           0      2     4     6     8     10     12
                                         Generators
             FIGURE 12.11 Generation costs of each generator of the first case study.

                The developed procedure was applied satisfactorily to both cases in a
             TPP Manaus and testing system. These two cases were used to validate this
             approach.
                In the case of the TPP, emission indexes are not so different as in the
             case of the 118-bus test system. It is widely known that this system of power
             generators is very different. In both the cases the power allocated to each
             generator corresponds to the values that guarantee the minimum cost of TPP
             and at the same time the minimum emission level is guaranteed.
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