Results 21 to 30 of about 1,350 (128)

Dynamic Modeling of HVDC for Power System Stability Assessment: A Review, Issues, and Recommendations

Energies, 2021
High-voltage direct current (HVDC) has received considerable attention due to several advantageous features such as minimum transmission losses, enhanced stability, and control operation.
Tarek Abedin, M. Shahadat Hossain Lipu, Mahammad A. Hannan, Pin Jern Ker, Safwan A. Rahman, Chong Tak Yaw, Sieh K. Tiong, Kashem M. Muttaqi   +7 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

Analysis of Subsynchronous Torsional of Wind–Thermal Bundled System Transmitted via HVDC Based on Signal Injection Method

Energies, 2021
With the development of large-scale new energy, the wind–thermal bundled system transmitted via high-voltage direct current (HVDC) has become the main method to solve the problem of wind power consumption.
Junxi Wang, Qi Jia, Gangui Yan, Kan Liu, Dan Wang   +4 more
doaj   +1 more source

Characteristics of electrostatic discharges between metallic objects in the ion-flow field under HVDC lines

The Journal of Engineering, 2019
Metallic objects under high-voltage direct current (HVDC) transmission lines will produce certain induced voltages due to the charging of ion flow. Electrostatic discharge (ESD) may occur between two objects at different potentials when they are close ...
Xueshan Li, Donglai Wang, Tiebing Lu
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

Overview of Research on Stability and Control of VSC-HVDC

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

An Overview of HVDC Technology

Energies, 2020
There is a growing use of High Voltage Direct Current (HVDC) globally due to the many advantages of Direct Current (DC) transmission systems over Alternating Current (AC) transmission, including enabling transmission over long distances, higher ...
Neville R. Watson, Jeremy D. Watson
doaj   +1 more source

Research on DC Protection Strategy in Multi-Terminal Hybrid HVDC System

Engineering, 2021
Multi-terminal hybrid high-voltage direct current (HVDC) systems have been developed quickly in recent years in power transmission area. However, for voltage-source converter (VSC) stations in hybrid HVDC systems, no direct current (DC) filters are ...
Yuping Zheng, Jiawei He, Bin Li, Tonghua Wu, Wei Dai, Ye Li   +5 more
doaj   +1 more source

Strategy for Suppressing Commutation Failures in High-Voltage Direct Current Inverter Station Based on Transient Overvoltage

Energies
Commutation failures in high-voltage direct current (HVDC) transmission systems often occur within inverter stations, posing challenges to the safe and consistent operation of HVDC transmission projects.
Dandan Zhao, Shaoyin He, Hua Huang, Zheng Han, Lv Cui, Yuxin Li   +5 more
doaj   +1 more source

Network Coordination between High-Voltage DC and High-Voltage AC Transmission Systems Using Flexible AC Transmission System Controllers

Energies, 2022
The strategic intent of the African Union is to develop a “Smart Integrated African Electric Power Super Grid” driven by modern tools and advances in high-voltage direct current (HVDC) engineering and flexible alternating current technology systems ...
Nomihla Wandile Ndlela, Innocent Ewean Davidson   +1 more
doaj   +1 more source