多能源互补分布式供能系统的集成优化与协同控制研究

This research is the fundamental interdisciplinary research on engineering thermophysics and control theory to the technical requirement of energy-saving and emission-reduction. To cooperate the distribution of ‘energy quantity, quality and potential’ at time and space scales under variable conditions, this research studies the integrated optimization and cooperative control of the distributed energy system (DES) based on multi-energy-sources...The key scientific problems in this research include the coupling mechanism of ‘energy quantity, quality and potential’, and the operation regularity under variable conditions and the rules of adjustment and control. Firstly, the coupling mechanism of ‘energy quantity, quality and potential’ is studied, and moreover, the new integration and mechanism of DES based on multi-energy-sources are revealed to satisfy to the cascade utilization of energy. Then, the the dynamic operation characteristic of the DES under variable conditions is found out, and the configuration and the operation strategy of the DES are jointly optimized. Finally, the regularity on ‘energy quantity, quality and potential’ at time and space scales is elucidated, and the adjustment strategy and the intelligent cooperative control methodology of the DES based on multi-energy-sources are constructed to combine the technical index to the emission index...The research achievements are helpful to deepen to the studies on DES. The construction of the integrated optimization and cooperative control methodology will establish the fundamental theory to make the DES driven by multi-energy-sources achieve the optimal performance under variable conditions.

本课题面向国家节能减排的国家重大需求，在工程热物理和控制科学与工程的学科交叉层面，围绕多能源互补分布式供能系统的变工况运行，以协同“能量能质能势”的时空（时间尺度和空间尺度）分布为主线，开展多能源互补分布式供能系统的集成优化与协同控制研究。..围绕多能源互补系统“能量能质能势”耦合机理和全工况运行规律与调控机制两个关键科学问题，研究内容包括：研究多能源互补分布式供能系统“能量能质能势”耦合机理，寻求科学用能的多能源互补集成方法；揭示多能源互补分布式供能系统的全工况动态运行规律，集成优化系统的设备配置与运行策略；阐明多能源互补分布式供能系统“能量能质能势”的时空分布规律，构建融合控制指标与排放指标的新调控机制与智能协同控制方法。..本课题研究成果将深化分布式供能系统的研究，构建多能源互补分布式供能系统的集成优化方法与新型协同控制方法，为多能源互补分布式供能系统获得最优全工况性能提供理论支撑。

本课题面向可再生能源利用的国家重大需求，针对多能源互补分布式供能系统的供能侧与需求侧失衡问题，以协同分布式供能系统中能量的时空分布研究为主线，在多能互补耦合机理、互补集成方法、热力系统变工况优化，以及时空协同智能调控策略等方面开展深入研究。提出了天然气与可再生能源太阳能、生物质能等多能源互补的分布式供能系统集成方案，阐明了互补分布式供能系统的变工况动态运行规律，揭示了其能量能质的耦合机理；构建了多能互补分布式供能系统的多目标优化模型，集成优化了系统的设备配置与运行策略，为多能源互补分布式供能系统的设计提供了方法；提出了新型主动调控型分布式供能调控机制，改善了分布式供能系统供能侧与需求侧热电比失衡的问题，提升了系统运行性能。研究成果为推动能源可持续发展与节能减排提供了新途径。 研究成果已发表期刊论文19篇，国际会议论文3篇，其中SCI检索收录13篇，EI检索收录2篇，国际期刊论文中SCI一区论文11篇，1篇论文入选ESI高被引论文，授权/申请国家发明专利2项。研究成果被国内外著名学者高度评价和正面引用，论文在项目执行期内SCI他引120余次；项目负责人荣获2015年“河北省自然科学奖二等奖”1项，2016年度“河北省优秀硕士学位论文指导奖”1项；项目负责人指导的研究生多次获华北电力大学优秀硕士学位论文奖、国家奖学金等奖励。