Results 31 to 40 of about 1,668 (205)
Modeling of HVDC System to Improve Estimation of Transient DC Current and Voltages for AC Line-to-Ground FaultAn Actual Case Study in Korea [PDF]
, 2019 A new modeling method for high voltage direct current (HVDC) systems and associated controllers is presented for the power system simulator for engineering (PSS/E) simulation environment.
Kim, Chanki +3 more
core +1 more source
The Simulation Analysis and Countermeasures of LCC-HVDC Complementary Resonance
Journal of Physics: Conference Series, 2023 Abstract With the advancement of HVDC technology, the AC/DC hybrid grid has gradually emerged. The interaction and influence between AC and DC have become increasingly prominent, with the complementary resonance problem between AC and DC emerging as a hot research topic.
Yinsheng Su +5 more
openaire +1 more source
Inertia emulation control strategy for VSC-HVDC transmission systems [PDF]
, 2013 There is concern that the levels of inertia in power systems may decrease in the future, due to increased levels of energy being provided from renewable sources, which typically have little or no inertia.
Adam, Grain Philip +4 more
core +1 more source
Three-way Subsynchronous Torsional Interactions Between LCC HVDC, MMC HVDC and a Thermal Generator
Journal of Modern Power Systems and Clean Energy, 2023 This paper performs a study on three-way subsynchronous torsional interactions (SSTI) between a hybrid dual-in-feed high-voltage direct current (HVDC) system and a nuclear generator. The test case is based on the French IFA2000 line commutated converter (
Stefan Kovacevic +3 more
doaj +1 more source
IEEE Access, 2022 High-voltage direct current (HVDC) technology based on Line Commutated Converter (LCC) is widely used in modern power systems due to its numerous benefits.
Kezheng Jiang +4 more
doaj +1 more source
Energies, 2018 A method for electromechanical modeling of line commutated converter (LCC)-modular multilevel converter (MMC)-based hybrid multi-terminal High Voltage Direct Current Transmission (HVDC) systems for large-scale power system transient stability study is ...
Liang Xiao +4 more
doaj +1 more source
Fault characteristics analysis of two HVDC technologies for wind power integration [PDF]
, 2014 This paper analyzes the operation and control principle of the two transmission technologies, i.e. Line-Commutated Converter-HVDC (LCC-HVDC) and Voltage Source Converter-HVDC (VSC-HVDC) for wind farm integration.
Chen, X, Hou, Y, Wen, J
core +1 more source
Generalized short circuit ratio for multi-infeed LCC-HVDC systems
2017 IEEE Power & Energy Society General Meeting, 2017 The relationship between the short circuit ratio (SCR) and static voltage stability is analyzed in this paper. According to eigenvalue decomposition method, a novel concept named generalized short circuit ratio (gSCR) has been proposed for multi-infeed LCC-HVDC (MIDC) systems to mathematically measure the connect-ed AC strength from the point view of ...
Zhang, Feng +6 more
openaire +2 more sources
Electrical treeing in cable insulation under different HVDC operational conditions [PDF]
, 2018 Electrical treeing (ET) can irreversibly deteriorate the insulation of polymeric power cables leading to a complete failure. This paper presents the results of an experimental investigation into the effects of unipolar and polarity reversing DC voltages ...
Fard, Mehrtash +3 more
core +7 more sources
A Controllable Thyristor-Based Commutation Failure Inhibitor for LCC-HVDC Transmission Systems [PDF]
2022 IEEE Power & Energy Society General Meeting (PESGM), 2021 Commutation failure is a serious malfunction in line-commutated high voltage direct current (HVdc) converters which is mainly caused by the inverter ac faults, and results in a temporary interruption of transmitted power and damage to the converter equipment.
Sohrab Mirsaeidi +5 more
openaire +2 more sources