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Recent Advances in Electrical & Electronic Engineering

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ISSN (Print): 2352-0965
ISSN (Online): 2352-0973

Research Article

Low-carbon Economic Assessment of Microgrid based on EC-AHP and Triangular Fuzzy Number

Author(s): Honggang Wang, Minnan Wang*, Anqing Chen, Yangqi Yu and Ge Xiao

Volume 16, Issue 7, 2023

Published on: 15 May, 2023

Page: [750 - 762] Pages: 13

DOI: 10.2174/2352096516666230418113306

Price: $65

Abstract

Aims: With the in-depth study of microgrid system planning and operation strategy, comprehensive management and effective evaluation of various planning schemes and implementation effects are required.

Introduction: A comprehensive evaluation method based on the elasticity coefficient analytic hierarchy process (EC-AHP) and triangle fuzzy number is proposed. Meanwhile, considering the changes in the internal and external environment of the system, a comprehensive evaluation index system for a microgrid with the coordinated operation of "source-grid-load-storage" is constructed combined with the existing microgrid planning and operation evaluation index system.

Methods: The EC-AHP method avoids the limitation of using the "1-9" scaling method to determine the judgment matrix in the traditional AHP method, and uses the elasticity coefficient to reflect the degree of influence of the index changes on the expert's score, which reflects the importance of the index for the evaluation result. Introducing triangular fuzzy numbers to the evaluation of microgrid planning and operation can provide a comprehensive linguistic rating for evaluation indexes and systems.

Results: Through applying the constructed evaluation index system and evaluation method to the calculation example of a regional microgrid, the pros and cons of various evaluation indexes of the microgrid and the weak links in the planning and operation process are obtained.

Conclusion: The results show that the index system and evaluation method constructed in this paper can provide a basis for the improvement of microgrid planning and operation strategies, which can then be applied to the general management of the microgrid system.

Graphical Abstract

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