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| Content Provider | IET Digital Library |
|---|---|
| Author | Nasir, Mashood Anees, Muhammad Khan, Hassan Abbas Guerrero, Josep M. |
| Abstract | In this study, a dual-loop control strategy is applied to a highly distributed architecture of photovoltaic/battery-based DC microgrid built through an interconnection of a cluster of multiple nanogrids. Typically, in these distributed architectures, resource sharing among the spatially distributed nanogrids is enabled via communication-based control methodologies, which adds cost and complexity to the overall system. Alternately, a communication-less and decentralised control methodology is proposed which utilises inner loop current control and outer loop voltage droop (V–I droop) control for the coordinated resource sharing among the distributed resources. The proposed control scheme adapts various modes based on the local measurements of bus voltage and battery state of charge, therefore, offers a distributed solution, omitting the need for centralised communication control. Various scenarios of power sharing among the contributing nanogrids are evaluated through the proposed multi-mode adaptive control. The efficacy of the proposed control scheme is validated through simulations on MATLAB/Simulink and laboratory scale hardware prototype. Results show that the proposed decentralised control strategy is capable to ensure stable and coordinated operation without any dedicated layer of communication among the dispersed generation/storage resources. |
| Starting Page | 327 |
| Ending Page | 335 |
| Page Count | 9 |
| Volume Number | 2 |
| e-ISSN | 25152947 |
| Issue Number | Issue 3, Sep (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-stg/2/3 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-stg.2019.0098 |
| Journal | IET Smart Grid |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2019-06-25 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/) |
| Subject Keyword | Adaptive Control Bus Voltage Centralised Communication Control Closed Loop System Communication-based Control Methodologies Control of Electric Power System Control System Analysis Coordinated Resource Sharing Current Control Decentralised Control Decentralised Control Methodology Decentralised Control Strategy Distributed Architectures Distributed Power Generation Distributed Resources Distributed Solution Dual-loop Control Strategy Electric Current Control Highly Distributed Architecture Inner Loop Current Control Multimode Adaptive Control Multivariable Control System Nanogrids Outer Loop Voltage Droop Photovoltaic Power System Photovoltaic/battery-based DC Microgrid Power Generation Control Power Grid Rural Electrification Application Self Adjusting Control System Solar Power Stations Spatially Distributed Nanogrids Synthesis Method Voltage Control |
| Content Type | Text |
| Resource Type | Article |
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