Results 61 to 70 of about 344 (172)

Single-ended Protection Principle of LCC- VSC Three-terminal DC System Based on Gini Impurity

CSEE Journal of Power and Energy Systems
Due to the advantages of LCC-VSC (line-commutated converter-voltage source converter) three-terminal DC technology in terms of new energy consumption, long-distance transmission, reliability and economy, China has successively constructed a number of ...
Dahai Zhang, Chuanjian Wu, Jinghan He, Guomin Luo   +3 more
doaj   +1 more source

Transient Voltage Support Strategy of Grid-Forming Medium Voltage Photovoltaic Converter in the LCC-HVDC System

CSEE Journal of Power and Energy Systems
The participation of photovoltaic (PV) plants in supporting the transient voltage caused by commutation failure in the line-commutated-converter-based high voltage direct current (LCC-HVDC) system is of great significance, as it can enhance the DC ...
Hong Lu, Xianyong Xiao, Guangfu Tang, Zhiyuan He, Zhiguang Lin, Chong Gao, Zixuan Zheng   +6 more
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Advanced Control Strategies of VSC Based HVDC Transmission System: Issues and Potential Recommendations

IEEE Access, 2018
The converters and their control strategies play an important role in converting, transmitting, and improving the performance of high-voltage direct current (HVDC) system. There are different types of converter and their control strategies being employed
M. A. Hannan, I. Hussin, P. J. Ker, M. M. Hoque, M. S. Hossain Lipu, A. Hussain, M. S. Abd. Rahman, C. W. M. Faizal, F. Blaabjerg   +8 more
doaj   +1 more source

Double-Ended Fast Protection System Independent of LCC-VSC-MTDC in Boundary Components

CSEE Journal of Power and Energy Systems
Hybrid DC transmission technology is used in new energy transmission due to its advantages of large capacity and long distances. Line-commutated converter-voltage source converter-multi-terminal DC (LCC-VSC-MTDC) is one of the more important development ...
Dahai Zhang, Chuanjian Wu, Pinghao Ni, Jinghan He   +3 more
doaj   +1 more source

Multi-Degree-of-Freedom Control Framework for HVDC Transmission Converters

CSEE Journal of Power and Energy Systems
This paper systematically investigates the multi-degree-of-freedom (multi-DoF) control framework of high voltage direct current (HVDC) converters based on their topological characteristics and control requirements.
Haobo Zhang, Jinyu Wen, Wang Xiang, Weixing Lin, Meng Zhou, Wenping Zuo, Shijie Cheng   +6 more
doaj   +1 more source

Review of the Configuration and Transient Stability of Large-Scale Renewable Energy Generation Through Hybrid DC Transmission

CES Transactions on Electrical Machines and Systems
Based on the complementary advantages of Line Commutated Converter (LCC) and Modular Multilevel Converter (MMC) in power grid applications, there are two types of hybrid DC system topologies: one is the parallel connection of LCC converter stations and ...
Xinshou Tian, Yongning Chi, Longxue Li, Hongzhi Liu   +3 more
doaj   +1 more source

Modeling of Efficient Control Strategies for LCC-HVDC Systems: A Case Study of Matiari-Lahore HVDC Power Transmission Line. [PDF]

Sensors (Basel), 2022
Ahmed A, Khan D, Khan AM, Mustafa MU, Panjwani MK, Hanan M, Agyekum EB, Uhunamure SE, Edokpayi JN.   +8 more
europepmc   +1 more source

An Abnormal Increase in Switching Frequency in Multi-Sources Line Commutated Converter and Suppression Method

Energies
Distinct from the traditional Modular Multilevel Converter (MMC) which focuses on fundamental frequency operation, the Static Var and Filter (SVF) within the Multi-Source Line-Commutated Converter (SLCC) system is tasked with the core function of high ...
Xintong Mao, Xianmeng Zhang, Jian Ling, Honglin Yan, Rui Jing, Zhihan Liu, Chuyang Wang   +6 more
doaj   +1 more source

A Center-Tapped Transformer Based Multifunctional Single-Phase Converter with Wide DC-Bus Control. [PDF]

Sensors (Basel), 2023
Obi AS, Lee SH, Jung HS, Jung JJ.
europepmc   +1 more source

Small signal stability analysis of a four-machine system with placement of multi-terminal high voltage direct current link

Journal of Energy in Southern Africa, 2020
Inter-area oscillation caused by weak interconnected lines or low generator inertia is a critical problem facing power systems. This study investigated the performance analysis of a multi-terminal high voltage direct current (MTDC) on the damping of ...
Oluwafemi E. Oni, Andrew G. Swanson, Rudiren Pillay Carpanen   +2 more
doaj