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Vardhini and Nakka

                  The  voltage  profiles  with  and  without  RERs  are   In  terms  of  the  defined  objective  functions,  ZOA
                shown in Figure 4, and when the RERs were optimally   outperformed MFOA and SFSN, as shown in Table 3,
                integrated, the voltage profiles significantly improved.   which contrasts their results.  The simulation  results
                                                                    displayed  in  Table  4 were  obtained  by applying  the
                 Table 2. Grid specifications                       Evolutionary ZOA, MFOA, and SFSN.
                 Specification                             Value       The losses,  ideal sizes  of  the sustainable power
                 Voltage in p.u (minimum)                 0.9344    sources  and  purchase  cost  of  energy  taken  from  the
                 Voltage drop in p.u                       0.38     grid, and all-out cost are assessed through proposed
                 Real load in kW                             4      calculation and with other standard improvement
                 Reactive power in KVAr                     3.9     methods  like  SFSN  and  MFOA.  The  outcomes
                 Losses in kW of the grid                   20      obviously  show  that  the  proposed  ZOA  calculation
                                                                    outperformed in all previously mentioned angles in
                                                                    any events when RERs were not thought of. Without
                 Table 3. Results of MGs under various conditions   integrating the environmentally friendly power assets,
                 Specification           Without      With RERs     the general expense of the framework is to be $89106,
                                          RERs                      simultaneously considering the absolute expenses of
                 Losses (kWh)           1.45688×10 5  9.8650×10 4   sustainable power assets at $427,700, $456,700, and
                 Procurement energy     3.45787×10 6  2.9501×10 6   $448,200 for ZOA, MFOA, and SFSN, respectively.
                 (kWh)                                              In addition, Table 3 records the ideal sizes for PV, and
                 PV unit (kW)               0            386        WT units. Figure 5 shows an enhanced power quality
                 Optimization size          0             60        in terms of active power loss (kW) with and without
                 of the WT (kW)                                     RER incorporation through proposed ZOA. When the
                 Overall energy         8.74149×10 3  5.18867×10 3  solar irradiance or the wind speed changed, the PV
                 loss cost ($)                                      unit’s  and WT’s  power outputs  also  changed,  which
                 Overall cost of        3.54878×10 6  2.0951×10 6   can be seen in Figures 6 and 7, respectively. The goal
                 procurement energy ($)                             capability union is achieved when ZOA, SFSN, and
                 Cost PV ($)                0        4.83465×10 4   MFOA were utilized, which is portrayed in Figure 8. By
                                                                          th
                 Cost of wind turbine ($)   0        2.47426×10 4   the 30  emphasis, ZOA showed supporting assembly.
                 Total cost ($)         3.5575×10 6  2.17337×10 6   This demonstrates that ZOA is an amazing asset for
                 Abbreviations: MGs: Microgrids; PV: Photovoltaic;    tracking down ideal answers for the predefined REEM
                 RERs: Renewable energy resources; WT: Wind turbine.  issue.

                               A                                   B







                               C
                                                                   D









                             Figure 3. Load profile (A), solar irradiance (B), wind speed (C), market price (D)








                Volume 22 Issue 1 (2025)                       128                           doi: 10.36922/AJWEP025050030
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