| 引用本文: | 薛屹洵,郭庆来,孙宏斌,沈欣炜,汤磊.面向多能协同园区的能源综合利用率指标[J].电力自动化设备,2017,37(6): |
| XUE Yixun,GUO Qinglai,SUN Hongbin,SHEN Xinwei,TANG Lei.Comprehensive energy utilization rate for park-level integrated energy system[J].Electric Power Automation Equipment,2017,37(6): |
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| 摘要: |
| 考虑综合能源系统多能流特性及可再生能源接入影响，提出适用于多能协同园区能效评估的能源综合利用率指标。该指标可综合反映园区对可再生能源的消纳率及不可再生能源的利用水平，体现综合能源系统低碳、高效的核心特点。分析比较了所提指标与其他能效指标的区别，讨论了不同目标对调度策略的影响。算例结果表明，相比于传统一次能源利用率的直接推广，该指标能更准确地体现园区多能联供、能量梯级利用的优势。同时，通过适当调整电价，成本最低与能源综合利用率最高的调度结果将趋于一致，反映了为促进可再生能源消纳，减少非可再生一次能源耗量，合理定价的必要性。 |
| 关键词: 综合能源系统 多能协同园区 能源综合利用率 能效评估 可再生能源 |
| DOI：10.16081/j.issn.1006-6047.2017.06.016 |
| 分类号:TM761 |
| 基金项目:国家重点研发计划资助项目(2016YFB0901300)；国家自然科学基金资助项目(51537006) |
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| Comprehensive energy utilization rate for park-level integrated energy system |
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XUE Yixun1, GUO Qinglai1, SUN Hongbin1, SHEN Xinwei2, TANG Lei3
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1.Department of Electrical Engineering, Tsinghua University, Beijing 100084, China;2.Tsinghua-Berkeley Shenzhen Insititute, Shenzhen 518000, China;3.Beijing Qingda Gaoke System Control Company, Beijing 102208, China
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| Abstract: |
| With the consideration of the multiple energy flows of integrated energy system and the impact of renewable energy integration, an index named comprehensive energy utilization rate is put forward for the park-level integrated energy system, which comprehensively evaluates the renewable energy accommodation rate and the non-renewable energy utilization level of the park to reflect the low-carbon high-efficiency features of integrated energy system. The differences between the proposed index and other energy-efficiency indicators are analyzed and the impacts of different targets on the dispatch strategy are discussed. The results of case study show that, compared with the direct promotion of traditional energy utilization rate, the proposed index reflects more accurately the park-level advantages in multi-energy supply and cascaded energy utilization. Furthermore, the difference of dispatch results between the lowest cost objective and the highest energy utilization rate objective can be diminished by the appropriate adjustment of electricity price, which shows the reasonable pricing is necessary for promoting the renewable energy accommodation and reducing the non-renewable energy consumption. |
| Key words: integrated energy system park-level multi-energy cooperation comprehensive energy utilization rate energy efficiency evaluation renewable energy resources |
