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Self-sustaining of Critical Park Microgrids Integrating Mobile Emergency Generators Subjective to Major Outage

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In the event of a major power outage,critical park microgrids(PMGs)could be self-sustaining if mobile emergency generators(MEGs)are stationed to share energy.However,the need for privacy protection and the value of flexible power support on minute-time scales have not been given enough attention.To address the problem,this paper proposes a new self-sustaining strategy for critical PMGs integrating MEGs.First,to promote the cooperation between PMG and MEG,a bi-level benefit distribution mechanism is designed,where the participants'multiple roles and contributions are identified,and good behaviors are also awarded.Additionally,to increase the alliance benefits,three loss coordination modes are presented to guide the power exchange at the minute level between the MEG and PMG,considering the volatility of renewable generation and load.On this basis,a multi-time scale power-energy scheduling strategy is formulated via the alternating direction method of multipliers(ADMM)to coordinate the PMG and MEG.Finally,a dimensionality reduction technology is designed to equivalently simplify the optimization problem to facilitate the adaptive-step-based ADMM solution.Simulation studies indicate that the proposed strategy achieves the self-sustaining of PMGs integrating MEGs while increasing the economy by no less than 3.1％.

Distributed optimizationloss coordination modemobile emergency generatorpark microgridpower-energy self-sustainingprivacy protection

Quan Sui、Lei Zhang

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School of Electrical and Information Engineering,Zhengzhou University,Zhengzhou 450001,China

School of Electrical and New Energy,Three Gorges University,Yichang 443002,China

National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaChina Postdoctoral FundState Grid of China

5230714952007103BX20230326520601230003

2024

10.17775/CSEEJPES.2023.01670

中国电机工程学会电力与能源系统学报(英文版)
中国电机工程学会

中国电机工程学会电力与能源系统学报(英文版)

CSTPCDEI
ISSN：2096-0042
年,卷(期)：2024.10(4)