Comprehensive Evaluation of Port Self-Sufficient Energy Systems Based on the G1-CRITIC-Cloud Model

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Chinese explanation / 中文解读

中文解读待补充：本站会优先为光伏效率、钙钛矿太阳能电池、储能技术、太阳能热利用、BIPV、并网技术等高价值论文补充中文说明。

Original abstract

With the in-depth advancement of the dual-carbon strategy, the planning and construction of self-sufficient energy systems of ports, as key nodes for the integration of transportation and energy, have become a key research area.To address the problems of fuzziness and randomness in the comprehensive evaluation of port selfsufficient energy systems, this study proposes a comprehensive evaluation method on the basis of order relation analysis (G1)-criteria importance through intercriteria correlation (CRITIC) combined weighting, and a cloud model.First, an evaluation system with 15 secondary indicators was constructed from five dimensions: economic feasibility, environmental effect, energy efficiency, self-sufficiency, and reliability.Second, the subjective and objective weights were determined by the G1 ordinal relation analysis method and the CRITIC method, respectively.Third, cloud model theory was introduced, the fuzziness and randomness of evaluation levels were characterized by three numerical characteristics (expectation, entropy, and hyperentropy), and standard and comprehensive evaluation clouds were generated.Finally, with Shanghai Port in China as the research object, an empirical analysis was conducted.Results show that the equipment utilization rate, system disaster resistance, and net present value are the core indicators that affect the evaluation results and have weights of 0.0927, 0.0910, and 0.0894, respectively.The expectation values of each secondary indicator are distributed between 75 and 87.The score of carbon emission reduction is the highest, whereas that of equipment failure rate is the lowest.The expectation value of the comprehensive evaluation cloud is 80.938, which corresponds to the good level and indicates that the overall planning scheme of Shanghai Portꞌs self-sufficient energy system is safe, and the risk is within an acceptable range.The study verifies the applicability and effectiveness of the G1-CRITIC-cloud model method in the evaluation of port self-sufficient energy systems.This method can provide methodological support for the green transformation and scientific decision-making of port energy systems.

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