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Content Provider | IET Digital Library |
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Author | Liu, Sucheng Li, Zhongpeng Liu, Wenjie Liu, Xiaodong |
Abstract | In DC microgrid, droop control is an essential part of local primary level in hierarchical control to perform load-sharing and plug-and-play function. The main problem with droop control is that better load sharing is achieved at the cost of higher bus voltage drop, which could even be worse when cable resistance is considered. To solve this problem, a multi-level bus voltage compensation of droop control (MLBVC-DC) for DC microgrid with enhanced load-sharing capability is proposed. With high enough droop gain to ensure load-sharing accuracy, the produced bus voltage drop will be compensated with multi-level feedforward to the reference bus voltage of DC microgrid according to different load regions. Also, the problem with the piecewise droop at load current setting points is solved by hysteretic control and Control Area Network (CAN) communication. Simulation and experimental results verify the proposed MLBVC-DC strategy. |
Starting Page | 3056 |
Ending Page | 3061 |
Page Count | 6 |
Volume Number | 2019 |
e-ISSN | 20513305 |
Issue Number | Issue 16, Mar (2019) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/conferences/cn-adc-2018 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8419 |
Journal | The Journal of Engineering |
Publisher | The Institution of Engineering and Technology |
Publisher Date | 2018-10-29 |
Access Restriction | Open |
Rights License | Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/) |
Subject Keyword | Control Area Network Communication Control of Electric Power System Controller Area Network DC Microgrid Different Load Regions Distributed Power Generation Droop Control Enhanced Load-sharing Capability Feedforward Hierarchical Control High Enough Droop Gain Higher Bus Voltage Drop Hysteretic Control Load Current Setting Point Load Sharing Load-sharing Accuracy Local Primary Level MLBVC-DC Strategy Multilevel Bus Voltage Compensation Multilevel Feedforward Piecewise Droop Power Distribution Control Power Generation Control Produced Bus Voltage Drop Reference Bus Voltage Voltage Control |
Content Type | Text |
Resource Type | Article |
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