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Distributed Prescribed-Time Consensus Based Cooperative Control for DC Microgrids
Received date: 2022-03-05
Revised date: 2022-05-09
Accepted date: 2022-06-17
Online published: 2023-03-21
A microgrid control method based on prescribed time control is proposed to solve the cooperative control problem of distributed energy resources (DER) in DC microgrid. First, a current control method based on prescribed time control is proposed, which can allocate the power output of each DER proportionally within a pre-defined time. Meanwhile, the outlet voltage of each distributed power supply can be adjusted to be near the rated value and the observation value can be kept at the rated value. Then, the microgrid system is simulated through MATLAB/Simulink and the effectiveness of the proposed control strategy is verified in different working conditions. Afterward, the finite-time control strategy is established in the simulated system. A comparison of the conservative power quality of the system current with the estimated time of system convergence in the scheduled-time control strategy verifies the advantages of the proposed strategy.
ZHOU Ruchang, WANG Ziqiang, WANG Jie . Distributed Prescribed-Time Consensus Based Cooperative Control for DC Microgrids[J]. Journal of Shanghai Jiaotong University, 2023 , 57(7) : 824 -834 . DOI: 10.16183/j.cnki.jsjtu.2022.050
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