Comprehensive evaluation method for multi-scenario optimization operation modes of the integrated energy system

doi:10.3969/j.issn.2097-0706.2023.10.003

Abstract

Abstract:

Integrated energy systems dispatch and distribute heterogeneous energy with reasonable optimization strategy to achieve joint energy supply by taking advantages of the complementarity between different energy resources， improve the efficiency of comprehensive energy utilization， increase the penetration rate of renewable energy， and enhance the reliability of energy supply. A comprehensive evaluation method for multi-scenario optimization operation mode of integrated energy systems based on analytic hierarchy process （AHP） is proposed. The evaluation indexes，including energy saving rate， energy loss， new energy proportion， new energy consumption rate and operation and maintenance cost，are described. Then， models of the multi-scenario optimization operation modes including economic operation mode，environmental protection operation mode and energy saving operation mode are established. Then， the hierarchical structure of the AHP-based comprehensive evaluation method for an integrated energy system is established. The evaluation process includes constructing a comprehensive judgment matrix， making single-criteria ranking and its consistency test， and making multiple-criteria ranking and its consistency test. The results of a study case show that the proposed comprehensive evaluation method can effectively evaluate the optimal operation mode of integrated energy systems.

Key words: integrated energy system, multi-scenario operation modes, analytic hierarchy process, consistency test, renewable energy

CLC Number:

TK01：TM73

ZHONG Yongjie, JI Ling, LI Jingxia, TAN Tingfang, FAN Zhongming, LI Haohang. Comprehensive evaluation method for multi-scenario optimization operation modes of the integrated energy system[J]. Integrated Intelligent Energy, 2023, 45(10): 18-24.

Figures/Tables 5

Fig.1

Fig.2

Table 1

Optimized objective values of the integrated energy system under different optimization operation modes

目标值	$m i n C m o d e C N Y$ /元	$m i n E m o d e k g$ /kg	$m i n e m o d e E$ /(kW·h)
优化运行结果	417 972.2	326.3	1 989.1

Table 1

Table 2

Optimized indexes of the integrated energy system under different optimization operation modes

优化运行模式	$I E S R 1$	$I E L 2$ /MW	$I R N E 3$	$I N E C R 4$	$I O M C 5$ /元
经济型	0.564 311 6	137.584 8	0.499 769 3	1	54 696.68
环保型	0.685 442 4	154.970 6	0.677 219 5	1	55 797.54
节能型	0.686 148 6	155.516 1	0.677 921 7	1	55 985.07

Table 2

Table 3

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优化运行模式	节能率	能量损失量	新能源占比	新能源消纳率	运行维护成本
经济型	0	1	0	1	1
环保型	0.994 204	0.030 422	0.996 058	1	0.145 554
节能型	1	0	1	1	0