以青海省祁连县某宾馆为案例展开分析,建立以系统最小费用年值为优化目标的高原宾馆建筑电-热-氧联供系统容量配置优化模型,并采用遗传算法求解以得到系统的最优容量配置。结果表明：与常规电-热联供系统相比,电-热-氧联供系统使电网供电比例由76.9%降低至29.8%;电-热-氧联供系统的费用年值比常规电-热联供系统减少1.2%,其中系统投资年值增加4.1%,系统年运行费用减少5.3%;电-热-氧联供系统的费用年值受购氧价格影响最大,当购氧价格为8元/Nm3以上时,电-热-氧联供系统比常规电-热联供系统更具经济优势。
Abstract
Taking a hotel in Qilian County, Qinghai Province as an example, this study established an optimal capacity configuration model of the combined power-heating-oxygen system for plateau hotel building with the aim of minimum total annual cost. The genetic algorithm was used to solve the optimization model to determine the optimal capacity configuration of the system. Results show that： Compared with the conventional combined power-heating system, the combined power-heating-oxygen system reduces the power supply ratio of the power grid from 76.9% to 29.8%. Compared with the conventional combined power-heating system, the combined power-heating-oxygen system saw reductions of 1.2% in its total annual cost, in which the annual investment cost of the system increases by 4.1% and the annual operation cost of the system decreases by 5.3%. The total annual cost of the combined power-heating-oxygen system is affected significantly by the oxygen purchase price; When the oxygen purchase price is higher than 8 yuan/（Nm3）, the combined power-heating-oxygen system has more economica advantages than the conventional combined power-heating system.
关键词
太阳能 /
氢储能 /
优化设计 /
电-热-氧联供系统 /
高原宾馆
Key words
solar energy /
hydrogen storage /
optimal design /
combined power-heating-oxygen system /
plateau hotel
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基金
国家自然科学基金青年项目（52008328）; 陕西省创新能力支撑计划-青年科技新星项目（2023KJXX-043）; 陕西省科协青年人才托举计划项目（20220425）
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