Coordinated Low Voltage Ride-Through of MMC-HVDC Transmission System and Wind Farm With Distributed Braking Resistors
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3200370
Abstract: Modular multilevel converter-based high-voltage direct current (MMC-HVDC) transmission is becoming a trend in offshore wind-farm integration. However, the large DC-side energy dissipation equipment, which is utilized to dissipate surplus wind power under grid fault conditions,… read more here.
Keywords: farm; mmc hvdc; voltage; wind farm ... See more keywords
An Accelerated Distance Protection of Transmission Lines Emanating From MMC-HVdc Stations
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"
DOI: 10.1109/jestpe.2021.3058154
Abstract: Compared with synchronous generators, modular multilevel converter-based high voltage direct current (MMC-HVdc) stations have unique fault behaviors, potentially impeding the correct operations of distance relays of lines connecting MMC-HVdc stations. To minimize the adverse effect… read more here.
Keywords: protection; mmc hvdc; hvdc stations; distance ... See more keywords
An Enhanced Current Differential Protection for AC Transmission Lines Connecting MMC-HVDC Stations
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Systems Journal"
DOI: 10.1109/jsyst.2022.3155881
Abstract: The peculiar fault current signatures of modular multilevel converter-based high voltage dc transmission (MMC-HVdc) system degenerate the operating performance of conventional current differential protection (CDP). CDP may incur low sensitivity or maloperations, especially when MMC-HVdc… read more here.
Keywords: ecdp; mmc hvdc; mmc; transmission ... See more keywords
Analysis of R-SFCL With Shunt Resistor in MMC-HVDC System Using Novel R-Q Method
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Applied Superconductivity"
DOI: 10.1109/tasc.2020.2975748
Abstract: The resistive superconducting fault current limiter (R-SFCL) is considered as a promising protection device to restrict the DC fault current in modular multilevel converter based high voltage direct current (MMC-HVDC) system. One bottleneck of R-SFCL… read more here.
Keywords: system; sfcl; mmc hvdc; shunt resistor ... See more keywords
Enhanced FRT and Postfault Recovery Control for MMC-HVDC Connected Offshore Wind Farms
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Power Systems"
DOI: 10.1109/tpwrs.2019.2944940
Abstract: Modular Multilevel Converter based High Voltage Direct Current (MMC-HVDC) connected offshore wind farms could suffer serious challenges: DC overvoltage during a fault and post-fault DC voltage restoration. In this paper, to mitigate DC overvoltage, a… read more here.
Keywords: recovery; control; voltage; hvdc connected ... See more keywords
Circulating Current Reduction in MMC-HVDC System Using Average Model
Sign Up to like & getrecommendations! Published in 2019 at "Applied Sciences"
DOI: 10.3390/app9071383
Abstract: : Modular multilevel converters (MMCs) are quickly emerging as a suitable technology for a voltage-source converter-based high-voltage direct-current (VSC-HVDC) transmission systems due to its numerous advantages as reported in literature. However, for a large DC-network,… read more here.
Keywords: hvdc system; hvdc; method; model ... See more keywords
An Enhanced AC Fault Ride through Scheme for Offshore Wind-Based MMC-HVDC System
Sign Up to like & getrecommendations! Published in 2023 at "Sustainability"
DOI: 10.3390/su15118922
Abstract: This study presents an improved, communication-free Fault Ride-Through (FRT) strategy for type-3 and type-4 wind turbine integrated modular multilevel converter-based high-voltage direct current (MMC-HVDC) systems in offshore wind power plants (OWPPs). The research aims to… read more here.
Keywords: fault ride; mmc hvdc; offshore wind; hvdc system ... See more keywords
A Topology Analysis-Based MMC-HVDC Grid Transmission Capacity Calculation Method
Sign Up to like & getrecommendations! Published in 2021 at "Symmetry"
DOI: 10.3390/sym13050822
Abstract: Modular multilevel converter-based high voltage direct current (MMC-HVDC) has a broad application prospect in renewable energy transmission. With the development of converter capacity, the transmission capacity calculation for MMC-HVDC grids becomes important for power dispatching.… read more here.
Keywords: topology; transmission capacity; mmc hvdc;