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Protection of Low-Voltage DC Microgrids
Abstract
In this paper, a low-voltage (LV) DC microgrid protection system design is proposed. The LV DC microgrid is used to interconnect distributed resources and sensitive electronic loads. When designing an LV DC microgrid protection system, knowledge from existing DC power systems can be used. However, in most cases, these systems use grid-connected rectifiers with current-limiting capability during DC faults. In contrast, an LV DC microgrid must be connected to an AC grid through converters with bidirectional power flow and, therefore, a different protection-system design is needed. In this paper, the operating principles and technical data of LV DC protection devices, both available and in the research stage, are presented. Furthermore, different fault-detection and grounding methods are discussed. The influence of the selected protection devices and grounding method on an LV DC microgrid is studied through simulations. The results show that it is possible to use available devices to protect such a system. Problems may arise with high-impedance ground faults which can be difficult to detect.
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Cited by
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Fang, X., Misra, S., Xue, G., & Yang, D. (2012) · IEEE Communications Surveys & Tutorials · doi:10.1109/surv.2011.101911.00087 · Cited by 3,405
Extreme Fast Charging of Electric Vehicles: A Technology Overview
Tu, H., Feng, H., Srdic, S., & Lukic, S. (2019) · IEEE Transactions on Transportation Electrification · doi:10.1109/tte.2019.2958709 · Cited by 898
Acharige, S. S. G., Haque, M. E., Arif, M. T., Hosseinzadeh, N., Hasan, K. N., & Oo, A. M. T. (2023) · IEEE Access · doi:10.1109/access.2023.3267164 · Cited by 590
Basak, P., Chowdhury, S., Halder nee Dey, S., & Chowdhury, S. P. (2012) · Renewable and Sustainable Energy Reviews · doi:10.1016/j.rser.2012.05.043 · Cited by 508
DC Microgrid Protection: A Comprehensive Review
Beheshtaein, S., Cuzner, R. M., Forouzesh, M., Savaghebi, M., & Guerrero, J. M. (2024) · IEEE Journal of Emerging and Selected Topics in Power Electronics · doi:10.1109/jestpe.2019.2904588 · Cited by 365
Metadata
- Authors
- Salomonsson, D., Soder, L., & Sannino, A.
- Venue
- IEEE Transactions on Power Delivery
- Published
- 2009-07
- Volume
- 24
- Issue
- 3
- Pages
- 1045-1053
- ISSN
- 0885-8977 (ISSN-L)
- 1937-4208
- OpenAlex
- W2158017035
- Cited by
- 712
- References
- 0
- FWCI
- 35.11
- Type
- journal article
- Language
- en
- Open access
- closed
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- Salomonsson, D., Soder, L., & Sannino, A. (2009). Protection of Low-Voltage DC Microgrids. IEEE Transactions on Power Delivery. https://doi.org/10.1109/tpwrd.2009.2016622
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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