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1.浙江大学电气工程学院,浙江省杭州市 310027
2.国网浙江省电力有限公司经济技术研究院,浙江省杭州市 310008
3.国网北京城区供电公司,北京市 100032
4.国网经济技术研究院有限公司,北京市 102209
Received:18 December 2021,
Revised:2022-06-14,
Published Online:17 August 2022,
Published:10 September 2022
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赵乐冰,王蕾,万灿等.基于数据包络分析法的城市综合能源系统分环节能效评价[J].电力系统自动化,2022,46(17):132-141.
ZHAO Lebing,WANG Lei,WAN Can,et al.Segmented Energy Efficiency Evaluation of Urban Integrated Energy System Based on Data Envelopment Analysis Method[J].Automation of Electric Power Systems,2022,46(17):132-141.
赵乐冰,王蕾,万灿等.基于数据包络分析法的城市综合能源系统分环节能效评价[J].电力系统自动化,2022,46(17):132-141. DOI: 10.7500/AEPS20211218003.
ZHAO Lebing,WANG Lei,WAN Can,et al.Segmented Energy Efficiency Evaluation of Urban Integrated Energy System Based on Data Envelopment Analysis Method[J].Automation of Electric Power Systems,2022,46(17):132-141. DOI: 10.7500/AEPS20211218003.
城市综合能源系统的多能耦合特性能够有效提升系统能源利用效率。为了辨识不同运行场景下城市综合能源系统能源利用效率的薄弱环节,提出了一种基于数据包络分析法的城市综合能源系统分环节能效评价方法。首先,考虑不同供能形式的品位差异,围绕能源消耗总量、能量梯级利用、清洁能源出力情况等角度构建了城市综合能源系统能效评价指标体系;然后,计及系统多种能源流动情况,提出了基于关联网络数据包络分析模型的系统分环节能效分解方法;最后,根据城市综合能源系统经济运行结果,得到系统能效指标体系中各指标数值,进一步计算出城市综合能源系统各环节的能效评价结果。算例结果证明,该评价方法能够有效比较不同用能需求、不同运行方式的城市综合能源系统相对能效情况,确定不同运行场景下的系统重点提升能效环节,为综合能源系统高效降碳和精准提效奠定基础。
The multi-energy coupling characteristics of urban integrated energy systems can effectively improve the energy utilization efficiency of the system. In order to identify the weak links in the energy utilization efficiency of urban integrated energy systems in different operation scenarios
a segmented energy efficiency evaluation method of urban integrated energy systems based on data envelopment analysis (DEA) is proposed. Firstly
considering the grade differences of different forms of energy supply
the energy efficiency evaluation index system of the urban integrated energy system is constructed from the perspectives of total energy consumption
echeloned utilization of energy
and clean energy output. Then
considering the various energy flows of the system
a system energy efficiency decomposition method based on the relational network DEA model is proposed. Finally
according to the economic operation results of the urban integrated energy system
the index values in the system energy efficiency index system are obtained
and the energy efficiency evaluation results of all links of the urban integrated energy system are further calculated. The results of the example simulation show that the evaluation method can effectively compare the relative energy efficiency of urban integrated energy systems with different energy consumption needs and different operation modes
determine the key links of improving energy efficiency in different operation scenarios
and lay a foundation for the efficient carbon reduction and accurate efficiency improvement of the integrated energy system.
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