Optimal Dispatching of Regional Interconnection Multi‐Microgrids Based on Multi‐Strategy Improved Whale Optimization Algorithm

The interconnection of multiple microgrids can effectively improve the operating efficiency of the system and reduce the cost of power generation. First, establish an economic environment optimal dispatch model based on the regional interconnected multi‐microgrids system, and formulate a dispatch st...

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Bibliographic Details
Published in:IEEJ transactions on electrical and electronic engineering Vol. 17; no. 6; pp. 766 - 779
Main Authors: Wang, Zichen, Dou, Zhenhai, Dong, Jun, Si, Shuqian, Wang, Chen, Liu, Lianxin
Format: Journal Article
Language:English
Published: Hoboken, USA John Wiley & Sons, Inc 01.06.2022
Wiley Subscription Services, Inc
Subjects:
Algorithms
Distributed generation
Economic models
Electricity pricing
generalized reverse learning
interconnected operation
multi‐microgrids
Operating costs
optimal dispatch
Optimization
Regional development
whale optimization algorithm
ISSN:1931-4973, 1931-4981
Online Access:Get full text
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Summary:The interconnection of multiple microgrids can effectively improve the operating efficiency of the system and reduce the cost of power generation. First, establish an economic environment optimal dispatch model based on the regional interconnected multi‐microgrids system, and formulate a dispatch strategy based on the time‐of‐use electricity price and the supply‐demand relationship between microgrids; Secondly, in order to solve this constrained optimization problem, a whale algorithm improved with five strategies including adaptive inertial weights, dynamic spiral search and generalized opposition‐based learning is proposed to obtain higher solution accuracy and anti‐premature convergence ability; Finally, combined 12 test functions to test the effectiveness of the improved algorithm, and use the improved algorithm to solve the example model containing two microgrids, and analyze it in two states of interconnection operation and non‐interconnection operation. The simulation results show that the regional interconnection operation of the microgrid under the established dispatching strategy can effectively reduce the overall operating cost of the system, and at the same time show the effectiveness of the improved algorithm to solve the optimal dispatching problem. © 2022 Institute of Electrical Engineers of Japan. Published by Wiley Periodicals LLC.
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ISSN:1931-4973
1931-4981
DOI:10.1002/tee.23566