为实现可再生能源的高比例消纳和控制温室气体排放,以包含光伏和氢储的“冷-热-电”联供系统为研究对象,针对传统的耦合光氢的冷热电联供系统管控存在的配置和运行割裂问题,在对系统进行仿真建模的基础上,构建系统配置和运行交互关联的双层优化模型,使用KKT条件对其进行求解,最终生成了系统的最优供能策略,表现出良好的经济性。此外,多余的电力转化为氢气形式储能,有助于提升能源利用效率。
Abstract
In order to realize the high proportion absorption of renewable energy and the effective control greenhouse gas emission, in this study, taking the combined cooling, heating and power （CCHP） system with photovoltaic and hydrogen energy storage as the research object, aimed at the separate status between the system configuration and operation that exists in traditional coupled photovoltaic-hydrogen CCHP system control, based on the simulation modeling of the system, a two-layer optimization model is constructed for the interaction between the configuration and operation of the system. The KKT （Karush-Kuhn-Tucker） condition was used to solve this optimization model, leading to the optimal energy supply strategy was generated, which shows good economy. In addition, the conversion of excess power into energy storage in the form of hydrogen helps to improve the energy utilization efficiency.
关键词
太阳能 /
制氢 /
冷热电联供系统 /
双层优化模型 /
KKT条件
Key words
solar energy /
hydrogen production /
CCHP system /
bi-level optimization model /
KKT condition
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