Evaluation Method for Park-Level Integrated Energy System Planning Considering the Interaction of Multiple Indices

doi:10.12204/j.issn.1000-7229.2022.10.010

Abstract

Abstract:

At present, the interaction among the indices is usually not considered in the multi-index evaluation of planning schemes for park-level integrated energy system (PIES), which results in the evaluation results are not general, and even have some problems. Therefore, an improved VIKOR method considering the interaction of indices is proposed for the planning schemes of the PIES. Firstly, the evaluation index models of PIES are established from the four aspects of economy, reliability, environmental protection and energy efficiency, and then the comprehensive evaluation system is constructed. Then, on the basis of the conception of the dual hesitant fuzzy set and fuzzy measure, the classical VIKOR method is improved, and each index is weighted by fuzzy measure, so that the interaction between each evaluation index is fully considered when evaluating the planning schemes. Finally, an example is given to verify the rationality and objectivity of the proposed method.

Key words: park-level integrated energy system, multi-index evaluation, improved VIKOR method, dual hesitant fuzzy set, fuzzy measure

CLC Number:

TM73

LI Zhipeng, WANG Jianxi, ZHOU Hongwei, ZONG Xuanjun, SUN Yonghui, XIONG Junjie. Evaluation Method for Park-Level Integrated Energy System Planning Considering the Interaction of Multiple Indices[J]. ELECTRIC POWER CONSTRUCTION, 2022, 43(10): 98-110.

Figures/Tables 18

Fig.1 Typical structure of a PIES

Table 1 Mass and evaluation parameters of emission

Table 2 Evaluation index system of the PIES

Fig.2 Typical daily load and photovoltaic forecast output of each park in summer

Fig.3 Time-of-use electricity price of the parks

Table 3 Dual hesitant fuzzy element form of each index

Table 4 Weight of each index based on different schemes

Table 5 S, R and Q calculation results of each scheme

Fig.4 Curve of comprehensive weighted distance Q with decision coefficient υ

Table 6 Evaluation results of each evaluation method

Table A1 Maximum load at the end of planning cycle of each park kW

Table A2 Parameters of energy conversion equipment

Table A3 Parameters of energy storage equipment

Table A4 The original value of each index calculation result

Table A5 Standardized value of each index calculation result

Table A6 Score of each index

Table A7 Positive ideal solution and negative ideal solution corresponding to each index

Table A8 The distance measure between each index and the positive ideal solution under the corresponding scheme

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