Economic dispatch for microgrids with communication delays and flexible load

Abstract The consensus algorithm is widely used in the microgrid, but it is affected by the communication of distributed generators. If the communication delay is serious, it can affect the system’s performance and cause the system’s instability. To ensure the stability of the microgrid under commun...

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Published inJournal of physics. Conference series Vol. 2418; no. 1; pp. 12086 - 12092
Main Authors He, Ping, Dong, Jie, Wu, Xiaopeng
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.02.2023
Subjects
Algorithms
Communication
Delay
Distributed generation
Electrical loads
Physics
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Abstract Abstract The consensus algorithm is widely used in the microgrid, but it is affected by the communication of distributed generators. If the communication delay is serious, it can affect the system’s performance and cause the system’s instability. To ensure the stability of the microgrid under communication constraints, aiming at the extensive penetration of the flexible loads in the microgrid, the transmission delay of the communication network is considered, this paper proposes a microgrid distributed economic dispatch method based on the consensus algorithm under communication constraints. By coordinating the information exchanges between the generator and the total load demand, the flexible load and output of the generator are optimized in the system. Compared with the traditional consensus control strategy, this strategy can ensure that the system has higher stability and convergence speed under the same delay. Finally, the IEEE-14 node system is used to verify the effectiveness and correctness of the proposed algorithm.
AbstractList Abstract The consensus algorithm is widely used in the microgrid, but it is affected by the communication of distributed generators. If the communication delay is serious, it can affect the system’s performance and cause the system’s instability. To ensure the stability of the microgrid under communication constraints, aiming at the extensive penetration of the flexible loads in the microgrid, the transmission delay of the communication network is considered, this paper proposes a microgrid distributed economic dispatch method based on the consensus algorithm under communication constraints. By coordinating the information exchanges between the generator and the total load demand, the flexible load and output of the generator are optimized in the system. Compared with the traditional consensus control strategy, this strategy can ensure that the system has higher stability and convergence speed under the same delay. Finally, the IEEE-14 node system is used to verify the effectiveness and correctness of the proposed algorithm.
The consensus algorithm is widely used in the microgrid, but it is affected by the communication of distributed generators. If the communication delay is serious, it can affect the system’s performance and cause the system’s instability. To ensure the stability of the microgrid under communication constraints, aiming at the extensive penetration of the flexible loads in the microgrid, the transmission delay of the communication network is considered, this paper proposes a microgrid distributed economic dispatch method based on the consensus algorithm under communication constraints. By coordinating the information exchanges between the generator and the total load demand, the flexible load and output of the generator are optimized in the system. Compared with the traditional consensus control strategy, this strategy can ensure that the system has higher stability and convergence speed under the same delay. Finally, the IEEE-14 node system is used to verify the effectiveness and correctness of the proposed algorithm.
Author Wu, Xiaopeng
Dong, Jie
He, Ping
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Cites_doi 10.1109/TPEL.2015.2408367
10.1109/TPWRS.2019.2954582
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Meng (JPCS_2418_1_012086bib7) 2015; 31
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Liu (JPCS_2418_1_012086bib5) 2021; 47
Deng (JPCS_2418_1_012086bib9) 2019; 43
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Snippet Abstract The consensus algorithm is widely used in the microgrid, but it is affected by the communication of distributed generators. If the communication delay...
The consensus algorithm is widely used in the microgrid, but it is affected by the communication of distributed generators. If the communication delay is...
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StartPage 12086
SubjectTerms Algorithms
Communication
Delay
Distributed generation
Electrical loads
Physics
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Title Economic dispatch for microgrids with communication delays and flexible load
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