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Vardhini and Nakka


                                =
                                           +
                   q + q PV  + q WT ∑ T  q lossi ∑ N  q Di ,  (XV)                                  (Stage 3)     (XVII)
                    s
                                          ,
                                                                                                   k
                                    i=1
                                                i=1
                                                                         k   2 R sin( 2π R ×( WR Z− ) + WR ifR < 05 .;
                                                                                         )
                                                                                                          ;
                                                                            
                                                                                                   s
                                                                                        5
                                                                                                             6
                                                                                4
                  In Equation XV, the p  and q  are active and reactive   Z =         R ×) (( WR Z ) +WR otherwise
                                                                         s
                                                                                                   k
                                            s
                                      s
                powers, respectively.                                        2 R cos( 2π  5    −  s      ;
                                                                            
                                                                                4
                                                                               k    k
                3. Proposed ZOA                                        Z  k  =   f  s  < f s k
                                                                             Z s ,
                                                                         s
                                                                               k
                                                                             Zotherwise
                                                                                ;
                Flowchart  of  ZOA  algorithm  is  shown  in  Figure 2.       s
                The  ZOA  is  used  primarily  to  optimize  REEM  in   R ==− ×   1  
                                                                           1 t
                microgrids. This strategy minimizes costs and reliance   5          
                                                                                  T
                on fossil fuels, thereby minimizing  greenhouse gas                                (Stage 4)     (XVIII)
                emissions.  ZOA  does  this  by  dynamically  adjusting
                energy production, distribution, and consumption.  To   Z ={  k      k  <    k  ∀ j Nε
                                                                         k
                                                                              j
                improve the microgrid resilience and scalability across   s  Z , ifF Z(  j  )  F Z(  s  );  k
                a variety of configurations, ZOA can adapt to changing                               (Stage 5)    (XIX)
                circumstances. The findings of the simulation suggest   In the described scenario,  Z  and  Z  denote the
                                                                                                         k
                                                                                                 k
                that  ZOA  is  more  effective  than  other  algorithms   positions of the stallion and the j  zebra within the k group,
                                                                                                          j
                                                                                                  S
                                                                                               th
                                                                                                              th
                already  in  use,  making  it  a  potentially  useful  answer   respectively. N  represents the total number of members in
                to  a  wide  range  of  situations  involving  EM. The  life   the k  group. R  is uniformly distributed random values
                                                                                 k
                                                                        th
                cycle of American zebras unfolds through five distinct   ranging from −2 to 2, influencing the feeding behavior
                                                                                  1
                stages. These stages include the formation of random   of zebras at various angles around the group leader.
                zebra  groups,  feeding  activity  among  American   R  represents an adaptive parameter computed using
                zebras, breeding behavior, the establishment of group   Equation XVI. R  is a random value uniformly distributed
                                                                     2
                leadership,  and  the  subsequent  stage  of  leadership   between 0 and 1. The functions sin and cos aid in the
                                                                                  3
                transition involving the selection of a new leader. The   movement of other members at multiple angles around
                mathematical representation of these stages is defined   the family leader.  Z  represents the updated position
                                                                                       k
                as Equation XVI. 30                                 of the j  member during feeding, with F  indicating its
                                                                                       j
                                                                           th
                                                                                                        k
                                                                                                         j
                                                                    corresponding fitness value. Furthermore, Z  represents
                                                                                                           a
                                                                                                           j
                                                                                                    th
                                                                                                             b
                                                   k
                        2 R sin( 2π R ×  Z −  Z ) +  ZifR < 05 .   the position of a baby zebra from the j  group, Z  denotes
                                              k
                                         k
                                    )(
                                                    ;
                                                                                                             k
                                                                                                        c
                                                                                               th
                       
                     k    1      2     s    j    s   3            the position of zebra b from the j  group, Z  represents the
                          iN
                   Z j = ∀ ε  k                                     position of zebra l from the l  group, and Z  and Z  are the
                                                                                                         l
                       
                                                                                            th
                                                                                                              q
                                                                                                        q
                                        k    k    k                                        th    th    k      l
                         2 R cos( 2π R ×((Z − Z j  ) Zotherwise+  s  ;  positions of zebras q in the k  and l  groups, respectively.
                                     )
                                         s
                                    2
                           1
                                                                     4
                            k    k  k                            R  is a uniformly distributed random number between −2
                                                                    and 2, while R  signifies an adaptive parameter calculated
                       
                                                                                5
                    k
                              j
                   Z =  Z j ; f <  f j                             using Equation XIX. R  is another uniformly distributed
                    j
                                                                                        6
                        Zotherwiise                                random number ranging from 0 to 1; WR represents the
                          k
                         j  ;
                                                                    water reserves;  Z  denotes the current position of the
                                                                                    k
                                                                                    s
                             1
                          t
                                                                                         th
                                                                                                        k
                   R =− ×()                                         leading stallion in the j  group, while Z  represents its
                       1
                    2        T                                                        k                 s
                                                                    next position, with F  representing its fitness value.
                                                                                      s
                                      (Stage 1 and Stage 2)    (XVI)
                                                                    4. Simulation results
                                         j (
                          q
                                            b
                                         a
                        Z =  Crossover ZZ ) ;  ifr <  pc j ≠,  k    The goal of this paper’s proposed ZOA for microgrid
                                          ,
                                            k
                          j
                                                                    REEM  is  to  minimize  the  capacity  of  distributed
                                         j (
                                         a
                          q
                                            c
                                                         l
                        Z =  Crossover ZZ ) ;  ifrr ≥  pcj ≠        generators powered by PV, WT, BESS, and H  fuel cell.
                                          ,
                                                     ,
                                                                                                            2
                          k
                                            k
                        ∀ ,, ε                                      The application considers scenarios with and without
                          jk lN
                                                                    uncertainty. In this work, a comparison is made between
                Volume 22 Issue 1 (2025)                       126                           doi: 10.36922/AJWEP025050030
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