Results 1 to 10 of about 905 (153)

Headroom based adaptive droop control for regulating DC voltage and active power in MTDC grid with integrated renewable energy [PDF]

Scientific Reports
Active power and DC voltage regulation is the key control challenge in a voltage source converter based multi-terminal high voltage direct current system (VSC-MTDC), particularly when integrating renewable energy sources.
Zi-Hong Jiang, Asif Raza, Yi-Die Ye, Muhammad Punhal Sahto, Ghalib Raza, Malik Haris, Muhammad Shahid Mastoi, Mannan Hassan   +7 more
doaj   +2 more sources

Switching Functions Model of a Three-phase Voltage Source Converter (VSC)

Journal of Power Electronics, 2017
Boon Teck Ooi, Hew Wooi Ping
exaly   +3 more sources

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

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

Small-signal Stability Analysis and Improvement with Phase-shift Phase-locked Loop Based on Back Electromotive Force Observer for VSC-HVDC in Weak Grids

Journal of Modern Power Systems and Clean Energy, 2023
Voltage source converter based high-voltage direct current (VSC-HVDC) transmission technology has been extensively employed in power systems with a high penetration of renewable energy resources. However, connecting a voltage source converter (VSC) to an
Yongqing Meng, Haibo Wang, Ziyue Duan, Feng Jia, Zhengchun Du, Xiuli Wang   +5 more
doaj   +1 more source

Enhancing the Performance of Eskom’s Cahora Bassa HVDC Scheme and Harmonic Distortion Minimization of LCC-HVDC Scheme Using the VSC-HVDC Link

Energies, 2022
Cahora Bassa, a thyristor-based High Voltage Direct (HVDC) link, transmits 1920 MW of power from a hydro-power plant in Zambezi River, north of Mozambique, to Apollo Substation in Johannesburg, South Africa.
Innocent Ewean Davidson, Oluwafemi Emmanuel Oni, Anuoluwapo Aluko, Elutunji Buraimoh   +3 more
doaj   +1 more source

Interoperability of Modular Multilevel and Alternate Arm Converters in Hybrid HVDC Systems

Energies, 2021
This paper demonstrates the interoperability of an emerging alternate arm converter (AAC) with the state-of-the-art modular multilevel converter (MMC) in high-voltage direct current (HVDC) systems based on a hybrid VSC-HVDC system.
Harith R. Wickramasinghe, Pingyang Sun, Georgios Konstantinou   +2 more
doaj   +1 more source

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

HVDC Transmission Systems based Multi-level Voltage Source Converters for Iraqi Super Grid [PDF]

Engineering and Technology Journal, 2014
High Voltage Direct Current Transmission (HVDC) with Voltage Source Converter (VSC) technology provides substantial technical and economical advantages for different applications compared to conventional HVDC transmission systems based on thyristor ...
Adil Hameed Ahmed, Ahmed Saeed Abdul-Sada   +1 more
doaj   +1 more source

Study on overvoltage of hybrid LCC-VSC-HVDC transmission

The Journal of Engineering, 2018
Hybrid line commutation converter-voltage-source converter high-voltage direct current transmission (LCC-VSC-HVDC) power transmission has unique technical advantages, but its overvoltage study is not sufficient at present.
Dizhen Xu, Xiaobin Zhao, Yuxin Lu, Kang Qin, Long Guo   +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