期刊
IET RENEWABLE POWER GENERATION
卷 14, 期 10, 页码 1657-1667出版社
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/iet-rpg.2019.0858
关键词
evolutionary computation; optimisation; particle swarm optimisation; hybrid power systems; photovoltaic power systems; genetic algorithms; greedy algorithms; Pareto optimisation; hybrid energy system design; greedy particle swarm; biogeography-based optimisation; renewable energy systems; RESs; output power; energy storage system; operation uninterruptable; optimal sizing; hybrid energy system components; multiobjective optimisation; hybrid optimisation procedure; exploration ability; particle swarm optimisation; BBO algorithm; GPSBBO; multiobjective nature; hybrid wind-PV energy system design; multiobjective PSO; optimal system design
Renewable energy systems (RESs) are affordable, clean and sustainable. However, their output power is intermittent. Therefore, RESs are usually combined with an energy storage system or conventional sources to make the overall operation uninterruptable. Optimal sizing of hybrid energy system components is imperative to be financially and technically feasible. In this study, a multi-objective optimisation based on a hybrid optimisation procedure, which combines the exploitation ability of the biogeography-based optimisation (BBO) with the exploration ability of the particle swarm optimisation (PSO), is used to handle the system design. This algorithm is known as greedy particle swarm and BBO algorithm (GPSBBO). Weighted sum method is added to the GPSBBO to handle the multi-objective nature of the design problem. A case study for a hybrid wind-PV energy system design in the standalone and grid-connected configurations is presented to illustrate the proposed method. Coverage of two sets, hypervolume and diversity performance indices are used to compare results of the proposed method to non-dominated sorting genetic algorithm and the multi-objective PSO. These indices show an improved performance of the suggested method in finding the optimal system design.
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