Results 1 to 10 of about 1,514 (138)
Analysis of power system transient stability with PSO-optimized distributed generation and HVDC transmission systems [PDF]
Scientific ReportsThe integration of distributed generation (DG) and high-voltage direct current (HVDC) facilities into a power system results in altered transient responses compared to traditional AC-based power systems. This study investigates the transient stability of
Jiyeon Jang +3 more
doaj +2 more sources
Conceptional design for a universal HVDC-HVAC vacuum-interrupter-based circuit breaker [PDF]
Scientific ReportsModern power systems high voltage transmission systems either HVDC or HVAC has mandated the presence of two types of circuit breakers (CB), HVAC-CB and HVDC-CB. That required two different production lines, higher costs and more complicated manufacturing
Fady Wadie, Tamer Eliyan
doaj +2 more sources
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 +5 more
doaj +1 more source
Review of HVDC systems for enhancing resilience after extreme natural events
The Journal of Engineering, 2021 Compared with AC systems, HVDC systems are more flexible and potentially contribute to enhancing system resilience. Currently, three types of HVDC technologies, LCC‐HVDC (Line‐commutated Current‐sourced Converters, LCC), VSC‐HVDC (Voltage Sourced ...
Chuhang Luo, Liang Liang, Xiaoyang Bai
doaj +1 more source
Practical calculation of SCR of LCC-HVDC considering the role of VSC-HVDC
Zhejiang dianli, 2023 The accurate quantification of transmission limit and grid strength of the multi-infeed LCC-HVDC （line-commutated converter technology-based high-voltage DC） and VSC-HVDC （voltage source converter technology-based high-voltage DC） systems has become one ...
YANG Xiaolei +5 more
doaj +1 more source
High Voltage, 2022 High Voltage Direct Current (HVDC) underground and submarine cables constitute an essential technology for the long‐distance transmission of renewable electrical power with low losses, thereby fostering decarbonisation.
Giovanni Mazzanti
doaj +1 more source
Multi‐vendor interoperability in HVDC grid protection: State‐of‐the‐art and challenges ahead
IET Generation, Transmission & Distribution, 2021 Multi‐vendor interoperable HVDC grid protection is key to build large‐scale HVDC grids in a step‐by‐step manner. On the one hand, various protection strategies and technologies have been developed in the past decade to address the challenges associated ...
Mian Wang +4 more
doaj +1 more source
Review of oscillations in VSC-HVDC systems caused by control interactions
The Journal of Engineering, 2019 Owing to the fast control response and distinct characteristics of the voltage source converter (VSC), various types of oscillation incidents related to the VSC-HVDC systems have been observed around the world.
Congqi Yin +3 more
doaj +1 more source
Analysis and assessment standards of power stability of multi-send HVDC systems
The Journal of Engineering, 2019 The asynchronously interconnected Yunnan Power Grid is a typical multi-send HVDC system. So far, research on systems with multiple high voltage direct current (HVDC) links is mainly focused on multi-infeed HVDC systems, and the assessment standards for ...
Zheling Xu, Zheng Xu, Liang Xiao
doaj +1 more source
Energies, 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