Zero DC voltage ride through of a hybrid modular multilevel converter in HVDC systems
Sign Up to like & getrecommendations! Published in 2017 at "Iet Renewable Power Generation"
DOI: 10.1049/iet-rpg.2016.0108
Abstract: This study presents a comprehensive analysis and a suppression method of sub-modules’ (SMs’) voltage stress in the hybrid modular multilevel converters when riding through zero DC voltage faults in high-voltage direct-current (HVDC) systems. First, the… read more here.
Keywords: voltage; modular multilevel; hybrid modular; zero voltage ... See more keywords
Knowledge-graph-enhanced and LLM-guided fault diagnosis for VSC-HVDC systems
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DOI: 10.1063/5.0309229
Abstract: Accurate fault diagnosis in voltage-source-converter high-voltage direct-current (VSC-HVDC) systems is vital for grid stability, yet existing data-driven methods often lack interpretability and robustness under complex operating conditions. This study introduces a hybrid diagnostic framework that… read more here.
Keywords: hvdc systems; fault diagnosis; vsc hvdc; graph ... See more keywords
Comparison of UPFC, SVC and STATCOM in Improving Commutation Failure Immunity of LCC-HVDC Systems
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DOI: 10.1109/access.2020.3011113
Abstract: This paper compares the performance of unified power flow controllers (UPFCs), static var compensators (SVCs), and static compensators (STATCOMs) in commutation failure immunity (CFI) improvement of line-commutated converter-based high-voltage direct-current transmission (LCC-HVDC) systems. Theoretical analysis… read more here.
Keywords: commutation failure; hvdc systems; lcc hvdc; failure immunity ... See more keywords
Complete Method to Assess the DC Corrosion Impact on Pipeline Systems During the Planning and Approval Stages of HVDC Systems With Earth Current Return
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3226940
Abstract: The technology of HVDC systems defines the current return process, which can be through a dedicated metallic conductor or through a conducting medium, such as the earth or sea. Although the magnitude of the earth/sea… read more here.
Keywords: corrosion; current return; hvdc systems; methodology ... See more keywords
Performance Analysis of Passive Resonance Circuit Breakers in HVDC Systems
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Systems Journal"
DOI: 10.1109/jsyst.2021.3102393
Abstract: High voltage direct current (HVDC) systems have been increasingly employed to provide a connection amongst various energy sources, especially renewable energies. In order to switch the load current in these systems, the passive resonance breaker… read more here.
Keywords: arc; hvdc systems; interruption; passive resonance ... See more keywords
Air-Core-Transformer-Based Solid-State Fault-Current Limiter for Bidirectional HVdc Systems
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2021.3084165
Abstract: Modular multilevel converter (MMC) high-voltage direct current (HVdc) transmission is a promising method to integrate renewable energies. However, limiting the dc-link fault current and accelerating the fault-current clearance are critical issues for MMC-HVdc systems. In… read more here.
Keywords: fault current; current limiter; hvdc systems; fault ... See more keywords
Development of a Portable Corona Current Measuring Device for High Voltage Detection in HVDC Systems
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3165290
Abstract: High voltage direct current (HVdc) detection is essential to ensure the suitability and operation of electrical systems, as well as personal safety. Today there are commercial sensing devices equipped with a safety system that emits… read more here.
Keywords: high voltage; corona current; voltage; detection ... See more keywords
A Novel Fault Diagnosis Method for DC Filter in HVDC Systems Based on Parameter Identification
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2020.3003362
Abstract: This article proposes a novel fault diagnosis method to detect the fault of high-voltage capacitor (HVC) for dc filter (DCF) in high-voltage direct current (HVDC) systems. The proposed diagnosis principle is developed through identifying the… read more here.
Keywords: diagnosis; diagnosis method; hvdc systems; fault diagnosis ... See more keywords
Analysis and Control of Multi-Mode Oscillations in Multi-Infeed MMC-HVDC Systems
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Power Delivery"
DOI: 10.1109/tpwrd.2025.3541388
Abstract: In recent years, the phenomenon of wideband oscillation has emerged as a significant concern for small-signal stability in modular multilevel converter (MMC) based high-voltage direct current (MMC-HVDC) systems. Sub/super-synchronous oscillations (SSOs) and high-frequency oscillations (HFOs)… read more here.
Keywords: mmc; hvdc systems; multi infeed; infeed mmc ... See more keywords