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基于交叉超效率CCR模型的综合能源系统综合效率评价
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1.天津大学电气自动化与信息工程学院,天津市 300072;2.智能电网教育部重点实验室(天津大学),天津市 300072

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Comprehensive Efficiency Evaluation of Integrated Energy System Based on Cross-super-efficiency CCR Model
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1.School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China;2.Key Laboratory of the Ministry of Education on Smart Power Grids (Tianjin University), Tianjin 300072, China

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    摘要:

    针对综合能源系统能源利用类型多样、输入输出指标涉及范围广的特点,引入运筹学中成熟的综合评价理论,建立了基于交叉超效率CCR模型的综合效率评价模型。该评价模型以相对效率为基础,根据各个综合能源系统经济调度的结果计算各指标值,将指标值代入评价模型计算各综合能源系统的交叉超效率值,进而可以比较综合效率的高低。通过一个小型园区算例分析夏、冬季该园区综合效率差异及原因,验证了所建综合效率评价模型的正确性和合理性,并进一步分析了风机容量和地源热泵容量对园区综合效率的影响,确定了最优的容量配置。对比超效率CCR模型的评价效果显示交叉超效率CCR模型更为合理有效。

    Abstract:

    In view of the characteristics of various types of energy utilization and wide range of input and output indices in the comprehensive energy system, a comprehensive efficiency evaluation model based on cross-super-efficiency CCR model is established by introducing the mature comprehensive evaluation theory in the operations research. The evaluation model is based on relative efficiency. Firstly, each index value is calculated according to the economic dispatch results of each integrated energy system. Secondly, the index value is substituted into the evaluation model to calculate the cross-super-efficiency of integrated energy system and then the comprehensive efficiency can be compared. Through an example of a small-scale park, the differences and their causes of the comprehensive efficiency of the park in summer and winter are analyzed, and the correctness and rationality of the comprehensive efficiency evaluation model are verified. The influence of installed capacity of wind turbine and heat pump on the comprehensive efficiency of integrated energy system is further analyzed and the optimal capacity allocation is determined. Compared with the evaluation results of the super-efficiency CCR model, the cross-super-efficiency CCR model is more reasonable and effective.

    表 4 夏、冬季典型日的IES评价指标值Table 4 IES evaluation index value of typical days in summer and winter
    表 9 Table 9
    表 10 Table 10
    表 5 夏季和冬季各输入、输出指标权重Table 5 Weight of input and output indices in summer and winter
    表 3 分时电价Table 3 Time-of-day tariff
    表 8 Table 8
    表 6 不同热泵容量下的综合效率Table 6 Comprehensive efficiency with different heat pump capacities
    图1 夏季交叉超效率与风机容量的关系Fig.1 Relationship between cross-super-efficiency and wind turbine capacities in summer
    图2 冬季交叉超效率与风机容量的关系Fig.2 Relationship between cross-super-efficiency and wind turbine capacities in winter
    图3 综合的交叉超效率随风机容量的变化趋势Fig.3 Trend of comprehensive cross-super-efficiency with wind turbine capacities
    图4 综合的交叉超效率随热泵容量的变化趋势Fig.4 Trend of comprehensive cross-super-efficiency with heat pump capacities
    图 夏季典型日负荷数据Fig. Load data of IES on typical summer days
    图 冬季典型日负荷数据Fig. Load data of IES on typical winter days
    图 夏、冬季典型日风机发电数据Fig. Power generation data of wind turbine on typical winter days and typical summer days
    图 夏季典型日外购能源及风电调度结果Fig. Scheduling results of extra energy and wind power on typical summer days
    图 夏季典型日能源转换设备调度结果Fig. Scheduling results of energy conversion equipment on typical summer days
    图 夏季典型日储能设备调度结果Fig. Scheduling results of energy storage equipment on typical summer days
    图 冬季典型日外购能源及风电调度结果Fig. Scheduling results of extra energy and wind power on typical winter days
    图 冬季典型日能源转换设备调度结果Fig. Scheduling results of energy conversion equipment on typical winter days
    图 冬季典型日储能设备调度结果Fig. Scheduling results of energy storage equipment on typical winter days
    表 1 IES评价指标Table 1 Evaluation indices of IES
    表 7 Table 7
    表 2 交叉超效率矩阵Table 2 Cross-super-efficiency matrix
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引用本文

李金良,刘怀东,王睿卓,等.基于交叉超效率CCR模型的综合能源系统综合效率评价[J/OL].电力系统自动化,http://doi.org/10.7500/AEPS20190805008.
LI Jinliang,LIU Huaidong,WANG Ruizhuo,et al.Comprehensive Efficiency Evaluation of Integrated Energy System Based on Cross-super-efficiency CCR Model[J/OL].Automation of Electric Power Systems,http://doi.org/10.7500/AEPS20190805008.

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  • 收稿日期:2019-08-05
  • 最后修改日期:2020-03-08
  • 录用日期:2019-11-05
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