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Locating and Isolating DC Faults in Multi-Terminal DC Systems
Abstract
A VSC-MTDC (multi-terminal dc) system consists of voltage-source converters (VSCs) connected to a dc network at their dc terminals. The MTDC is most vulnerable to a dc fault which paralyses all the VSCs until the dc fault is cleared. As dc circuit breakers are expensive, this paper proposes a solution based on extinguishing the dc fault current by opening all the ac-circuit breakers (ac-CBs) which the VSCs are already equipped with on the ac-sides. However, it is necessary to identify which dc line is the faulted line (in case it is a permanent fault) so that it can be isolated by fast dc switches (which are much more economical than the dc circuit breakers), prior to restoring the MTDC system by re-closing all the ac-CBs. This paper presents the handshaking method, which locates and isolates the faulted dc line and restores the MTDC without telecommunication.
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Cited by
Review on Control of DC Microgrids
Meng, L., Shafiee, Q., Ferrari Trecate, G., Karimi, H., Fulwani, D., Lu, X., & Guerrero, J. M. (2017) · IEEE Journal of Emerging and Selected Topics in Power Electronics · doi:10.1109/jestpe.2017.2690219 · Cited by 513
Design and Operation of a Hybrid Modular Multilevel Converter
Zeng, R., Xu, L., Yao, L., & Williams, B. W. (2015) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2014.2320822 · Cited by 455
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
Merlin, M. M. C., Soto-Sanchez, D., Judge, P. D., Chaffey, G., Clemow, P., Green, T. C., Trainer, D. R., & Dyke, K. J. (2018) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2017.2723948 · Cited by 142
An enhanced MMC topology with DC fault ride-through capability
Li, X., Liu, W., Song, Q., Rao, H., & Xu, S. (2013) · IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society · doi:10.1109/iecon.2013.6700152 · Cited by 92
Metadata
- Authors
- Tang, L., & Ooi, B.-T.
- Venue
- IEEE Transactions on Power Delivery
- Published
- 2007-07
- Volume
- 22
- Issue
- 3
- Pages
- 1877-1884
- ISSN
- 0885-8977 (ISSN-L)
- OpenAlex
- W2148895869
- Cited by
- 640
- References
- 0
- FWCI
- 6.62
- Type
- journal article
- Language
- en
- Open access
- closed
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- Tang, L., & Ooi, B.-T. (2007). Locating and Isolating DC Faults in Multi-Terminal DC Systems. IEEE Transactions on Power Delivery. https://doi.org/10.1109/tpwrd.2007.899276
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