Results 21 to 30 of about 676 (185)

Voltage Source Converter based High Voltage Direct Current Transmission: A Comprehensive Review of Control Strategies, Developments and Trends [PDF]

E3S Web of Conferences
The continuous increasing progress in high power and high voltage semiconductor devices leads to have a substantial impact on optimization and effective management of electric grids. These developments have great influence on High Voltage Direct Current (
Gangikunta Manohar, B Pakkirayya, Murugan A.S.S., Kar Rajib Kumar   +3 more
doaj   +1 more source

Influence and comparison of P/Q-control based VSC-HVDC system on the grid power oscillation damping

Energy Reports, 2022
To analyze the dynamic process of VSC-HVDC system actively participating in suppressing the grid power oscillation, under the electromechanical time control scale, this paper establishes the linear mathematical model of the VSC-HVDC connected to the ...
Yuntao Xue, Xin Luo, Jianxiang Xie, Daoyuan Ma, Mingxian Li   +4 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

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
doaj   +1 more source

VSC-HVDC for Frequency Support (a review) [PDF]

13th IET International Conference on AC and DC Power Transmission (ACDC 2017), 2017
To reduce CO2 emissions produced by electricity generation, conventional fossil fuel power plants are being decommissioned. Renewable energy sources (RES) and interconnectors are replacing these old power plants but have different operating characteristics.
Fradley, John, Preece, Robin; id_orcid 0000-0003-1224-0397, Barnes, Michael   +2 more
openaire   +1 more source

Engineering practices for the integration of large-scale renewable energy VSC-HVDC systems

Global Energy Interconnection, 2020
With the continuous development of power electronic devices, intelligent control systems, and other technologies, the voltage level and transmission capacity of voltage source converter (VSC)-high-voltage direct current (HVDC) technology will continue to
Yan Li, Hongzhi Liu, Xiaojie Fan, Xinshou Tian   +3 more
doaj   +1 more source

Reactive power sensitivity-based novel overvoltage suppression strategy for parallel VSC-and-LCC-HVDC transmission system

International Journal of Electrical Power & Energy Systems
The rapid deployment of both line-commutated converter-based high-voltage direct current (LCC-HVDC) and voltage source converter-based high-voltage direct current (VSC-HVDC) does not only prolificate AC/DC grid coupling but also form new DC transmission ...
Yi Hao, Lujie Yu, Chuanjie Nie, Fengdi Li, Heyu Luo   +4 more
doaj   +1 more source

A Black Start Scheme Based on Modular Multilevel Control-High Voltage Direct Current

Energies, 2018
Modern society’s need for power and its dependence on power sources is increasing with its development. As a result the consequences of blackout accidents have become more serious. At present, only three sources can be regarded as black-start power
Zecheng Li, Guojun Tan
doaj   +1 more source

Surge arrester allocation for lightning protection of VSC based HVDC prototype

Engineering Science and Technology, an International Journal, 2023
High-voltage direct current (HVDC) systems, based on voltage source converters (VSC), enable asynchronous interconnection of grids with different frequencies and contribute to grid stability by controlling power quickly and precisely.
Ali Burhan Haliloglu, Ires Iskender
doaj   +1 more source

Analysis of Deloaded Wind Power in Hybrid AC/HVDC Systems by Frequency Stability Constrained Optimal Power Flow

IEEE Access, 2023
This paper investigates the relationship between the frequency support by voltage-source converter based high-voltage direct current (VSC-HVDC) systems and the deloaded wind power operation considering the frequency stability constraints.
Sangwon Kim
doaj   +1 more source

Zero‐Current Switching Based Model Predictive Control of a Double‐Extended Overlapped Alternate Arm Converter Used in the VSC–HVDC System

High Voltage, EarlyView.
ABSTRACT The alternate arm converter (AAC) is one of the most efficient multilevel topologies based on voltage source converters (VSCs), which has recently gained attention in various applications, particularly in high voltage direct current (HVDC) systems.
Ehsan Akbari, Milad Samady Shadlu
wiley   +1 more source