Open Access
Review
Table 5
Comparison of controlling techniues employed in DC microgrids.
| Technique | Advantages | Disadvantages | References |
|---|---|---|---|
| Centralized control | High level of controllability and observability. | High dependency on communication networks. Poor flexibility and expandability. |
[29] |
| Decentralized control | Simplicity. High flexibility for expansions. |
Fluctuations can occur due to lack of parameter availability for controlling. | [30] [31] |
| Distributed control | Low dependency on communication. Enhanced controllability. High expandability. |
Inefficient and suboptimal operation. Increased complexity. Potential for instability. |
[32] [33] |
| Hierarchical control | High flexibility for expansions. High robustness. High efficiency. |
High complexity High cost Only preferred to use in large scale DC microgrids. |
[34] [35] |
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