Time-Varying Resistance Optimization for the Resistive Type Superconducting Fault Current Limiter Applied in VSC-HVDC System
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Superconductivity and Novel Magnetism"
DOI: 10.1007/s10948-021-05807-z
Abstract: When short-circuit fault occurs in a voltage source converter–based high-voltage direct current (VSC-HVDC) transmission system, the fault current curve is much more complex than conventional AC power grid. The high-voltage DC circuit breaker with large… read more here.
Keywords: vsc hvdc; fault current; hvdc system; fault ... See more keywords
VSC-HVDC system robust stability analysis based on a modified mixed small gain and passivity theorem
Sign Up to like & getrecommendations! Published in 2017 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2017.08.003
Abstract: In a VSC-HVDC system, when the input power to the converter is controlled to a positive constant, the converter acts a differential negative resistance — Po/i2 0, which may cause instability in case of a… read more here.
Keywords: robust stability; system; modified mixed; gain ... See more keywords
An Analytical Method to Determine the Optimal Switching of Modular Multilevel Converter in HVDC System
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2020.3047133
Abstract: The lifetime of the submodules (SMs) in a modular multilevel converter (MMC) is significantly impacted by its switching frequency. In this work, the determination of the switching frequency, to be applied to the nearest level… read more here.
Keywords: converter; hvdc system; method; modular multilevel ... See more keywords
A Comprehensive AC-Side Single-Line-to-Ground Fault Ride Through Strategy of an MMC-Based HVDC System
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"
DOI: 10.1109/jestpe.2018.2797934
Abstract: When a single-line-to-ground (SLG) fault occurs on the ac side of the modular multilevel converter (MMC) in an high-voltage direct-current transmission (HVDC) system, it results in the ac-side voltage sag and leads to an instantaneous… read more here.
Keywords: fault; system; line; hvdc system ... See more keywords
Study of the Application of Active Saturated Iron-Core Superconductive Fault Current Limiters in the VSC-HVDC System
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Applied Superconductivity"
DOI: 10.1109/tasc.2018.2824840
Abstract: As a typical inductive type superconductive fault current limiter (SFCL), the saturated iron-core SFCL (SI-SFCL) is very important to the safety of the VSC-HVDC system. Considering that the high-induced voltage of the superconductive winding may… read more here.
Keywords: hvdc system; fault current; vsc hvdc; sfcl ... See more keywords
Stability Analysis of a Hybrid Multi-Infeed HVdc System Connected Between Two Offshore Wind Farms and Two Power Grids
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Industry Applications"
DOI: 10.1109/tia.2017.2672669
Abstract: This paper presents the stability simulation results of two equivalent aggregated offshore wind farms (OWFs) based on doubly-fed induction generator fed to two power grids through a hybrid multi-infeed high voltage dc (HVdc) system. The… read more here.
Keywords: offshore wind; system; multi infeed; hvdc ... See more keywords
A Virtual Phase-Lead Impedance Stability Control Strategy for the Maritime VSC–HVDC System
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Industrial Informatics"
DOI: 10.1109/tii.2018.2804670
Abstract: In the maritime VSC-HVDC system supplying power to passive network on the island, the dc side of the system is prone to oscillation and even instability, which is resulted from the negative incremental input resistance… read more here.
Keywords: hvdc system; control; vsc hvdc; impedance ... See more keywords
Transient-Voltage-Based Protection Scheme for DC Line Faults in the Multiterminal VSC-HVDC System
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Power Delivery"
DOI: 10.1109/tpwrd.2016.2608986
Abstract: DC line faults are major issues for a multiterminal high-voltage direct current (HVDC) system based on voltage-source converter (VSC). The fault current increases quickly along with a large peak, and complete isolation of the faulted… read more here.
Keywords: hvdc system; protection scheme; protection; line ... 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
Multiterminal HVDC System with Power Quality Enhancement
Sign Up to like & getrecommendations! Published in 2021 at "Energies"
DOI: 10.3390/en14051306
Abstract: High-Voltage Direct Current (HVDC) systems are a feasible solution that allows the transmission of energy between several power networks. As a consequence of the use of HVDC systems, renewable energy sources can be integrated more… read more here.
Keywords: multiterminal hvdc; system; hvdc system; power ... 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