Resilient cooperative control of AC microgrids considering relative state-dependent noises and communication time-delays

In this study, a resilient distributed control algorithm is proposed for the secondary voltage and frequency restoration of an autonomous inverter-based microgrid considering simultaneous relative state-dependent noises and communication time-delays (CTDs). The proposed algorithm is robust against p...

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Vydáno v:IET renewable power generation Ročník 14; číslo 8; s. 1321 - 1331
Hlavní autoři: Afshari, Amir, Karrari, Mehdi, Baghaee, Hamid Reza, Gharehpetian, Gevork B
Médium: Journal Article
Jazyk:angličtina
Vydáno: The Institution of Engineering and Technology 08.06.2020
Témata:
autonomous inverter‐based
communication time‐delays
controller design procedure
CTDs
delays
distributed control
distributed energy storage units
distributed generation
distributed power generation
energy storage
extra control algorithm
frequency restoration
having precise active power‐sharing
invertors
islanded AC microgrids
potential time‐varying stochastic noises
power distribution faults
power generation control
presented control algorithm
Research Article
resilient cooperative control
resilient distributed control algorithm
secondary control layer
secondary voltage
simultaneous relative state‐dependent noises
state‐of‐charge
test microgrid
extra control algorithm
resilient cooperative control
islanded AC microgrids
distributed energy storage units
power generation control
resilient distributed control algorithm
power distribution faults
autonomous inverter-based
distributed power generation
simultaneous relative state-dependent noises
presented control algorithm
having precise active power-sharing
controller design procedure
invertors
energy storage
test microgrid
distributed control
secondary control layer
frequency restoration
state-of-charge
communication time-delays
secondary voltage
distributed generation
delays
potential time-varying stochastic noises
CTDs
ISSN:1752-1416, 1752-1424, 1752-1424
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Popis
Shrnutí:In this study, a resilient distributed control algorithm is proposed for the secondary voltage and frequency restoration of an autonomous inverter-based microgrid considering simultaneous relative state-dependent noises and communication time-delays (CTDs). The proposed algorithm is robust against potential time-varying stochastic noises and CTDs, which corrupt the data exchanges in the secondary control layer. Additionally, this study considers the contribution of both distributed generation and distributed energy storage (DES) units in islanded AC microgrids. The presence of DES creates the need for an extra control algorithm to provide state-of-charge (SoC) balancing for these units and having precise active power-sharing. The theoretical concepts of the proposed control algorithm, including the mathematical modelling of microgrid, basic lemma, and controller design procedure, are outlined. The performance assessment of the presented control algorithm is evaluated through simulations on a test microgrid in MATLAB/Simulink software. Then, some previously-reported algorithms are selected to compare the proposed control algorithm with them. The obtained results show the effectiveness and robustness of the presented algorithm in regulating the voltage and frequency, matching SoCs, and as a result, having precise active power-sharing.
ISSN:1752-1416
1752-1424
1752-1424
DOI:10.1049/iet-rpg.2019.1180