Results 11 to 20 of about 691 (181)

Research and application of a power-flow-calculation method in multiterminal VSC-HVDC power grid

open access: yesGlobal Energy Interconnection, 2019
For demonstrating a multiterminal voltage-source converter (VSC)-based high-voltage DC (HVDC) (VSC- HVDC) project, this study puts forward a technical route for calculating the power flow in a 500-kV VSC-HVDC power grid in comparison with that of an AC ...
Linlin Wu   +6 more
doaj   +1 more source

Power Stability Analysis and Evaluation Criteria of Dual-Infeed HVDC with LCC-HVDC and VSC-HVDC

open access: yesApplied Sciences, 2021
This paper analyzes the power stability of the hybrid dual-infeed high-voltage direct-current (HVDC) system containing a line commutated converter-based HVDC (LCC-HVDC) and a voltage source converter-based HVDC (VSC-HVDC).
Xinglong Wu, Zheng Xu, Zheren Zhang
doaj   +1 more source

Overview of Research on Stability and Control of VSC-HVDC

open access: yes发电技术, 2019
Voltage source converter based high voltage direct current (VSC-HVDC) transmission systems has the advantages of good active and reactive power control capability and more suitable for multi-terminal transmission system.
Mingzhe WU, Wuhui CHEN
doaj   +1 more source

A Commutation Failure Suppression Control Method Based on the Controllable Operation Region of Hybrid Dual-Infeed HVDC System

open access: yesEnergies, 2018
With the increased use of high voltage direct current (HVDC) systems, line commutated converters (LCC-HVDC) and voltage source converters (VSC-HVDC) tend to feed into AC systems over short electrical distances.
Chao Xiao   +5 more
doaj   +1 more source

A review of LCC-HVDC and VSC-HVDC technologies and applications

open access: yes2016 IEEE 16th International Conference on Environment and Electrical Engineering (EEEIC), 2016
High Voltage Direct Current (HVDC) systems has been an alternative method of transmitting electric power from one location to another with some inherent advantages over AC transmission systems. The efficiency and rated power carrying capacity of direct current transmission lines highly depends on the converter used in transforming the current from one ...
Oni, Oluwafemi Emmanuel   +2 more
openaire   +4 more sources

Study on fault ride-through control of islanded wind farm connected to VSC-HVDC grid based on the VSC converter AC-side bus forced short circuit

open access: yesThe Journal of Engineering, 2019
Wind farms integrated to an AC power system through a voltage source converter-based high-voltage direct current system (VSC-HVDC) are viewed as islanded wind farms. The wind farm side converter of VSC-HVDC maintains a constant frequency of the wind farm
Yan Li   +3 more
doaj   +1 more source

Analysis of High Frequency Resonance and Suppression in Yu to E VSC-HVDC Project Connected to Power Grid

open access: yes发电技术, 2022
In view of the high frequency resonance generated by Yu side connected to the AC grid in the Yu to E voltage source converter based high voltage direct current transmission (VSC-HVDC) south channel project, the characteristics of VSC-HVDC converter ...
YANG Wankai, WANG Xingguo, WANG Shuyang
doaj   +1 more source

Advanced Control Strategies of VSC Based HVDC Transmission System: Issues and Potential Recommendations

open access: yesIEEE 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   +8 more
doaj   +1 more source

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.
openaire   +1 more source

Hardware-in-the-Loop Test Method for Valve Base Controller of VSC-HVDC

open access: yesZhongguo dianli, 2021
The Zhangbei flexible DC power grid project is the world's first voltage source converter based high voltage direct current (VSC-HVDC) project, which brings higher requirements for the reliability of valve base controller (VBC).
Jianliang LU   +6 more
doaj   +1 more source

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