Electrical Power Engineering

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https://hdl.handle.net/20.500.11888/13968

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Browsing Electrical Power Engineering by Author "Assi, Hiba Bashar"

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    A NEW METHOD FOR OPTIMALLY DESIGNING THE POWER DISTRIBUTION NETWORK OF GRID-CONNECTED PHOTOVOLTAIC POWER PLANT
    (An-Najah National University, 2024-02-11) Assi, Hiba Bashar
    Photovoltaic (PV) systems are attractive renewable energy source for rural electrification and distributed power generation. However, the capital cost of these systems as compared to non-renewable energy sources is still a challenging issue. Thus, many researchers have focused on enhancing the efficiency and the feasibility of photovoltaic systems. This research proposes an optimum methodology for designing the AC power distribution network for grid connected photovoltaic systems considering solar inverter size and location, as well as cable’s size and configuration. The main aim of the proposed method is to offer the shortest cables length and path; achieving a higher efficiency and feasibility in the overall assessment. The suggested approach follows a heuristic method, starting by generating numerous inverter combinations for analysis. For each combination, the total length of cables is calculated considering all feasible inverter locations, aided by Python code to ensure precision. Ultimately, the method identifies the optimal inverter location that results in the shortest cable lengths. A 900 kWp grid connected photovoltaic system is chosen as a case study in this research. Results show that a 23% reduction in total cable length as compared to the conventional approach is achieved by the proposed method. Meanwhile the proposed method offered a better configuration of required solar inverters (size and location). Such a method is very useful for designing photovoltaic system AC and DC distribution networks and exceed and the conventional and intuitive methods.