Composite Adaptive Control-Based Fault Current Limiting Method for DC Side Faults in MMC-HVDC Systems

Composite Adaptive Control-Based Fault Current Limiting Method for DC Side Faults in MMC-HVDC Systems | Authorea try { document.documentElement.classList.add('js'); } catch (e) { } var _gaq = _gaq || []; _gaq.push(['_setAccount', 'G-8VDV14Y67G']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); Skip to main content Preprints Collections Wiley Open Research IET Open Research Ecological Society of Japan All Collections About About Authorea FAQs Contact Us Quick Search anywhere Search for preprint articles, keywords, etc. Search Search ADVANCED SEARCH SCROLL The Journal of Engineering This is a preprint and has not been peer reviewed. Data may be preliminary. 12 May 2026 V1 Latest version Share on Composite Adaptive Control-Based Fault Current Limiting Method for DC Side Faults in MMC-HVDC Systems Authors : Xuan Han 0009-0005-6117-0809 [email protected] , liupan jing [email protected] , Hongmei Wu [email protected] , Chongyu Cui [email protected] , Kun Zang [email protected] , and Yanze Ma [email protected] Authors Info & Affiliations https://doi.org/10.22541/authorea.15003059/v1 17 views 7 downloads Contents Abstract Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract In flexible DC transmission (MMC-HVDC), DC-side short-circuit faults cause extremely fast-rising currents. Existing single-dimension current limiting strategies struggle to balance limiting performance and fault recovery speed. To address this issue, this paper proposes a composite adaptive fault current limiter. The derivative-based block dynamically reduces the number of inserted submodules, while the capacitor voltage-based block adaptively increases the capacitor voltage reference. The two blocks work together to reconstruct the DC voltage reference, achieving source-level fault current suppression from both the "quantity" and "voltage" dimensions. Simulation results in PSCAD/EMTDC show that, compared with single-dimensional schemes, the proposed method reduces the DC short-circuit current by 53.19% at 5 ms after fault occurrence, decreases the submodule capacitor voltage fluctuation from 32.5% to 28.65%, and cuts the energy absorbed by the DC circuit breaker arrester by 59.88%, all without increasing hardware cost. Information & Authors Information Version history V1 Version 1 12 May 2026 Collection The Journal of Engineering Keywords DC-AC converters DC-DC converters array signal processing radar signal processing AC-DC power convertors DC-AC power convertors DC power transmission electrical faults array signal processing radar signal processing DC-AC converters DC-DC converters Authors Affiliations Xuan Han 0009-0005-6117-0809 [email protected] Tibet Agricultural and Animal Husbandry University, Lin Zhi, China View all articles by this author liupan jing [email protected] Tibet Agricultural and Animal Husbandry University, Lin Zhi, China View all articles by this author Hongmei Wu [email protected] Tibet Agricultural and Animal Husbandry University, Lin Zhi, China View all articles by this author Chongyu Cui [email protected] Tibet Agricultural and Animal Husbandry University, Lin Zhi, China View all articles by this author Kun Zang [email protected] Tibet Agricultural and Animal Husbandry University, Lin Zhi, China View all articles by this author Yanze Ma [email protected] Tibet Agricultural and Animal Husbandry University, Lin Zhi, China View all articles by this author Metrics & Citations Metrics Article Usage 17 views 7 downloads .FvxKWukQNSOunydq8rnd { width: 100px; } Citations Download citation Xuan Han, liupan jing, Hongmei Wu, et al. Composite Adaptive Control-Based Fault Current Limiting Method for DC Side Faults in MMC-HVDC Systems. Authorea . 12 May 2026. DOI: https://doi.org/10.22541/authorea.15003059/v1 If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download. For more information or tips please see 'Downloading to a citation manager' in the Help menu . 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