期刊
JOURNAL OF ENERGY STORAGE
卷 68, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.est.2023.107845
关键词
Investment decision; DEMATEL method; Offshore wind-PV-SPS power system; IVPFSs; PROMETHEE II method
The offshore wind-solar-seawater pumped storage (wind-PV-SPS) power system is expected to be a highly competitive offshore energy project in the future. A scientific and reasonable investment decision-making framework is crucial for promoting its sustainable development. This paper establishes a comprehensive criteria system, introduces interval-valued Pythagorean fuzzy set (IVPFS) to handle uncertainty, and incorporates the decision-maker's risk preference psychology to choose the optimal investment alternative.
Offshore wind-solar-seawater pumped storage (wind-PV-SPS) power system will be a very competitive offshore new energy project in the future because it can realize the complementarities of wind and photovoltaic resources in the dimensions of time and space, and reduce the waste of resources caused by voltage instability. In order to promote the sustainable development of offshore wind-PV-SPS system, it is particularly important to construct a scientific and reasonable investment decision-making framework. Firstly, a comprehensive criteria system is established in this paper, which includes economy, resource, environment, supporting conditions and market. Secondly, the interval-valued Pythagorean fuzzy set (IVPFS) is introduced to describe the uncertainty and fuzziness of information in the process of investment decision, and the expert weight correction model is established based on the similarity of IVPFSs. At the same time, IVPF-DEMATEL method is utilized to determine the weight of criteria, which takes the interaction between criteria into account. In addition, considering the decision-maker's risk preference psychology, we introduce the GOWUA-HARA operator into the PROMETHEE II method, and extend it to the interval-valued Pythagorean fuzzy environment to choose the optimal investment alternative. Finally, the proposed framework is applied to a case study. Then sensitivity analysis and comparative analysis are carried out to verify its feasibility and robustness.
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