Results 1 to 10 of about 377 (161)

Interconnection of VSC‐HVDC and LCC‐HVDC using DC–DC autotransformer

open access: yesJournal of Engineering, 2019
This article investigates the feasibility of interconnecting LCC-HVDC and VSC-HVDC through an un-interrupted DC autotransformer (DC AUTO). The interconnected system aims at taking advantage of two HVDC technologies.
Weixing Lin, Jinyu Wen, Wenping Zuo
exaly   +4 more sources

Comparative Study on Small-Signal Stability of LCC-HVDC System With Different Control Strategies at the Inverter Station

open access: yesIEEE Access, 2019
The constant extinction angle control and constant DC voltage control are widely used for the inverter station of Line Commutated Converter based High Voltage Direct Current (LCC-HVDC) system in practical engineering.
Anran Zheng, Peng Cui, Chunyi Guo
exaly   +3 more sources

The Area Comparison of LCC-HVDC and VSC-HVDC [PDF]

open access: yesScience Discovery, 2017
With the mature of high power IGBT, VSC-HVDC technique is gradually adopted in principle power grid with higher voltage and capacity. At present, it is generally considered that compared with traditional HVDC technique, VSC-HVDC will save lots of land resources. However, it is not always the case.
exaly   +2 more sources

Review of HVDC systems for enhancing resilience after extreme natural events

open access: yesThe Journal of Engineering, 2021
Compared with AC systems, HVDC systems are more flexible and potentially contribute to enhancing system resilience. Currently, three types of HVDC technologies, LCC‐HVDC (Line‐commutated Current‐sourced Converters, LCC), VSC‐HVDC (Voltage Sourced ...
Chuhang Luo, Liang Liang, Xiaoyang Bai
doaj   +3 more sources

A Fuzzy Controlled LCC HVDC System with AC Voltage and Reactive Power Control [PDF]

open access: yesE3S Web of Conferences, 2021
The main work focus is on the LCC HVDC reactive power control system with fluid regulated AC voltage. The reactive power and the voltage control capacity of LCC HVDC were examined and demonstrated with controlled condensers.
Anusha More   +2 more
doaj   +1 more source

Research on the Voltage Supporting Capability of Multi-VSC-HVDC Subsystems Operation Strategy to Receiving-end LCC-HVDC Network in Weak AC Grid

open access: yesCES 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
doaj   +1 more source

Continuous commutation failure suppression strategy in hybrid multi-infeed HVDC transmission system

open access: yes电力工程技术, 2022
For the wide application of high voltage direct current (HVDC) transmission engineering,the continuous commutation failure of line commutated converter HVDC (LCC-HVDC) has a seriously negative impact on the stable operation of the power system. Therefore,
ZHONG Mingming   +4 more
doaj   +1 more source

Influence of Inverter Controller Parameters on the Small-signal Stability of LCC-HVDC System Based on a Practical Project [PDF]

open access: yesE3S Web of Conferences, 2021
Unreasonable control parameters of the Line Commutated Converter based High Voltage Direct Current (LCC-HVDC) system may induce small-signal instability.
Li Huan, Qin Kang
doaj   +1 more source

Operation and Challenges of Multi-Infeed LCC–HVDC System: Commutation Failure, AC/DC Power Flow, and Voltage Stability

open access: yesApplied Sciences, 2021
This paper presents a detailed analysis of commutation failure, AC/DC power flow, and voltage stability of multi-infeed high-voltage direct current (HVDC). The use of HVDC power transmission technology has become common in modern power systems.
Bilawal Rehman   +4 more
doaj   +1 more source

Dynamic Phasor Modelling of LCC-HVDC System Based on a Practical Project [PDF]

open access: yesE3S Web of Conferences, 2021
This paper presents a detailed dynamic phasor modeling process of a line-commutated converter-based HVDC (LCC-HVDC) system. Firstly, the dynamic phasor models of the single-ended LCC rectifier station, inverter station and the DC line are established ...
Li Huan, Qin Kang
doaj   +1 more source

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