Results 81 to 90 of about 3,375 (209)
Research on fast solid state DC breaker based on a natural current zero-crossing point
Journal of Modern Power Systems and Clean Energy, 2014 The DC fault characteristics of voltage source converter based high voltage direct current (VSC-HVDC) systems are analyzed in this paper. The phenomenon whereby the capacitor on DC side discharges quickly during a DC fault contributes to a large short ...
Wang Xiang +4 more
doaj +1 more source
Active distribution power system with multi-terminal DC links [PDF]
, 2015 A fast power restoration operational scheme and relevant stabilizing control is proposed for active distribution power systems with multi-terminal DC network in replacement of the conventional normal open switches. A 9-feeder benchmark distribution power
Chen, Dong, Xu, Lie, Zhang, Wendian
core +2 more sources
High Voltage, Volume 11, Issue 1, Page 60-72, February 2026.ABSTRACT The ± 200 kV direct current (DC) cables of the Zhoushan Transmission Project were targeted, and crosslinked polyethylene (XLPE) insulation samples were prepared from faulty and spare cables. Samples were tested for oxidation induction period, Fourier transform infrared spectroscopy, differential scanning calorimetry, thermally stimulated ...
Ying Liu, Jiazhu Yu, Meng Ma
wiley +1 more source
Optimisation of commutation circuit parameters for DC vacuum circuit breakers
The Journal of Engineering, 2019 As the environmental problems caused by the consumption of the non-renewable fossil energy are getting increasingly serious, the new energy power generation has received wide attentions.
Deen Yu, Hai Chen, Wei Liu, Xiaoming Liu
doaj +1 more source
Hybrid cascaded modular multilevel converter with DC fault ride-through capability for HVDC transmission system [PDF]
, 2015 A new hybrid cascaded modular multilevel converter for high-voltage dc (HVDC) transmission system is presented. The half-bridge (HB) cells are used on the main power stage and the cascade full-bridge (FB) cells are connected to its ac terminals. The main
Adam, Grain Philip +4 more
core +1 more source
High Voltage, Volume 11, Issue 1, Page 1-24, February 2026.ABSTRACT With the development of deep‐sea wind power and large‐scale onshore clean energy, the global demand for higher voltage level DC cable power transmission technology has become increasingly urgent. This paper systematically reviews the technical advancements in high voltage direct current (HVDC) cable accessories, addressing design challenges of
Zongxi Liu +5 more
wiley +1 more source
DC fault ride-through capability and STATCOM operation of a HVDC hybrid voltage source converter [PDF]
, 2013 HVDC transmission systems are becoming increasingly popular when compared to conventional AC transmission methods. HVDC voltage source converters (VSC) can offer advantages over traditional HVDC current source converter topologies; as such, it is ...
Alan J. Watson +9 more
core +2 more sources
HVDC Circuit Breaker Development and Applications in VSC-HVDC Transmission Project
IOP Conference Series: Earth and Environmental Science, 2020 Abstract High voltage direct current (HVDC), especially voltage source based HVDC (VSC-HVDC), transmission technology has been expanding in recent decades. HVDC circuit breaker therefore attracts significant interest due to its abilities of current interruption and fault isolation.
Yuefeng Yang +5 more
openaire +1 more source
High Voltage, Volume 11, Issue 1, Page 83-99, February 2026.ABSTRACT This study examines transient overvoltage phenomena in 525 kV high‐voltage direct current (HVDC) onshore cable systems, with particular emphasis on the influence of grounding configurations in two joint types: straight‐through and screen‐separated.
Tanumay Karmokar +3 more
wiley +1 more source
A Hybrid Ultra‐High Voltage DC Transformer With Digital Twin‐Driven Operation and Control
Digital Twins and Applications, Volume 3, Issue 1, January/December 2026.This study introduces a digital twin‐driven hybrid ultra‐high‐voltage DC transformer (UHVDCT) that combines high‐capacity LCCs with low‐capacity MMCs at the UHV side. This innovative topology reduces MMC requirements by 32.9% while ensuring stable power flow and dynamic reactive balance through real‐time virtual‐physical synchronization.
Ling Xu +6 more
wiley +1 more source