Results 21 to 30 of about 508 (157)
Practical calculation of SCR of LCC-HVDC considering the role of VSC-HVDC
Zhejiang dianli, 2023 The accurate quantification of transmission limit and grid strength of the multi-infeed LCC-HVDC （line-commutated converter technology-based high-voltage DC） and VSC-HVDC （voltage source converter technology-based high-voltage DC） systems has become one ...
YANG Xiaolei +5 more
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Enhanced Independent Pole Control of Hybrid MMC-HVdc System [PDF]
IEEE Transactions on Power Delivery, 2018 This paper presents an enhanced independent pole control scheme for hybrid modular multilevel converter (MMC) based on full bridge sub-module (FBSM) and half bridge sub-module (HBSM). A detailed analysis of power distribution between upper and lower arms under asymmetrical DC pole voltages is presented.
Wang Xiang +3 more
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Fast Harmonic compensation in hybrid HVDC offshore system
Journal of Physics: Conference Series, 2022 Hybrid HVDC systems have been proposed as an alternative for nominal VSC-Based HVDC for offshore applications. Hybrid HVDC systems consist of an offshore power station composed of the connection of high-power diode rectifiers in series with a fractional power VSC-HVDC.
Tian, Shangen +3 more
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Applicability analysis of travelling wave protection for the hybrid HVDC system
The Journal of Engineering, 2019 The hybrid high-voltage direct current (HVDC) system, in which the rectifier is made up of the line commutated converter (LCC) and the inverter is composed of the modular multilevel converter (MMC), has quite different fault characteristics from the ...
Shaojie Cheng +3 more
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Dynamic analysis of voltage angle droop controlled HVDC systems in curative congestion management scenarios [PDF]
EPJ Web of Conferences, 2019 The integration of the voltage-source converter based high voltage direct current (VSC-HVDC) system makes the set-point of its active power adaptive to the changes in the power flow, and contributes to the curative congestion management.
Zhou Yang, Dalhues Stefan, Häger Ulf
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IET Generation, Transmission & Distribution, 2023 Offshore wind farm (OWF) is considered as a perfect zero‐carbon energy source for the future power system. However, the growing offshore distance and water depth of OWF make the OWF HVDC transmission technique a more promising solution than HVAC due to ...
Junpeng Deng +6 more
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CES Transactions on Electrical Machines and Systems, 2023 For the hybrid multi-infeed HVDC system in which the receiving-end grid is a strong AC grid including LCC-HVDC subsystems and multiple VSC-HVDC subsystems, it has higher voltage support capability.
Tao Li, Yongli Li, Yuchen Zhu
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AC fault ride through control strategy on inverter side of hybrid HVDC transmission systems
Journal of Modern Power Systems and Clean Energy, 2019 Hybrid high-voltage direct current (HVDC) transmission systems employ a new type of HVDC transmission topology that combines the advantages of the line-commutated converter system and the voltage-source converter system.
Zexin Zhou +6 more
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Frontiers in Energy Research, 2023 The hybrid cascaded high-voltage direct current (HVDC) system combines the system support capabilities of the modular multilevel converter (MMC) with the capacity of the line-mutated converter’s (LCC’s) advantage of high-power transmission.
Yonghao Ren +6 more
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Single-end Protection Scheme Based on Transient Power Waveshape for Hybrid HVDC Transmission Lines
Journal of Modern Power Systems and Clean Energy, 2023 The recent in-depth development of hybrid high-voltage direct current (HVDC) transmission systems poses looming adaptability challenges to protection.
Feiyang Dai, Zexin Zhou, Xingguo Wang
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