Results 51 to 60 of about 235 (103)

Field Studies on the Influence of High‐Voltage Direct Transmission Underground Cables on Soils Along the SuedLink Route in Southwest Germany

open access: yesJournal of Plant Nutrition and Soil Science, Volume 189, Issue 4, Page 479-498, August 2026.
During regular operation of the SuedLink at a load ≤75 %, the average increase in temperature in the plowing horizon is expected to be less than 1.6°C in the soils along the route in Southwest Germany. ABSTRACT Background The SuedLink was planned as a high‐voltage direct‐current underground cable route. The construction itself is a massive intervention
Joachim Ingwersen   +10 more
wiley   +1 more source

Analysis of power transmission limit for the VSC-HVDC feeding weak grid

open access: yesThe Journal of Engineering, 2019
The power transmission characteristics of the high-voltage DC (HVDC) feeding system are the key issues to evaluate the ability of the grid to eliminate DC power.
Aijun Wu   +4 more
doaj   +1 more source

A Novel Digital Twin Platform for Accelerating Power Systems Restoration

open access: yesEnergy Internet, Volume 3, Issue 2, Page 111-141, July 2026.
Hardware Architecture Design of DT System in Laboratory. ABSTRACT With the global energy structure transforming towards the goal of net zero emissions, the penetration of an inverter‐based resource (IBR) in power systems is increasing. This transformation poses two critical challenges: the system post blackout restoration process becomes extremely ...
Yiliang Fan   +8 more
wiley   +1 more source

Application of Deep Learning in Virtual Power Plants—A Review

open access: yesEnergy Internet, Volume 3, Issue 2, Page 97-110, July 2026.
ABSTRACT The advancement of deep learning (DL) has substantially improved the power grid’s ability to model and optimise diverse and highly complex tasks. Although intelligent transformation is an inevitable trend, traditional approaches increasingly reveal limitations in computational efficiency, nonlinear nonconvex optimisation, and multi‐layer ...
Hongjie Zhu   +7 more
wiley   +1 more source

A lightweight MMC topology with recombined half‐bridge submodules for DC fault ride‐through

open access: yesIET Generation, Transmission & Distribution
The lightweight of modular multilevel converter (MMC) and the DC faults ride‐through ability are main challenges for MMC‐high voltage direct current (HVDC) transmission systems.
Yutao Xu   +4 more
doaj   +1 more source

Dynamic Current Routing in Conductive Liquid Crystal Elastomers for Complex Deformation Actuators

open access: yesAdvanced Materials Technologies, Volume 11, Issue 12, 18 June 2026.
This work introduces a novel actuation control strategy in which electrical stimulation generates localized Joule heating in conductive liquid crystal elastomer (LCE) surfaces, enabling complex 3D deformations from a single homogeneous surface without preprogramming.
Gloria PouWai Lei   +2 more
wiley   +1 more source

Metrology for high voltage direct current state-of-art and current development

open access: yes, 2011
Energy transmission by high voltage direct current - HVDC - is steadily increasing in the world, both at the highest power levels, but also at medium power, for example in connections of remote wind-parks to the main a.c. grid.
Bergman, Anders,
core  

Comprehensive study on fault-ride through and voltage support by wind power generation in AC and DC transmission systems

open access: yesThe Journal of Engineering, 2019
This study exploits the impact of different low voltage ride-through (LVRT) methods and equipment on both the wind energy elements and the grid including wind turbine/farm ability to provide reactive compensation and maintain controllability during ...
Attya Bakry Attya   +3 more
doaj   +1 more source

Coordinated DC Fault Ride‐Through Control for a Grid‐Forming Wind‐Storage System With VSC‐HVDC Integration Under Transmission Constraints

open access: yesEngineering Reports, Volume 8, Issue 6, June 2026.
Due to complex wind farm conditions, a coordinated control system was designed. It manages DC power surges during AC faults by temporarily storing excess energy and regulating voltages. This strategy optimizes unbalanced power and enables effective fault recovery, resulting in minimal voltage fluctuations and superior performance.
Lei Chen, Qi Han
wiley   +1 more source

A modified control strategy for LCC with IGCT‐based full‐bridge submodules to solve the commutation failure issues

open access: yesIET Power Electronics
To solve the commutation failure (CF) issues in high voltage direct current (HVDC) transmission systems based on line commutated converter (LCC), this paper proposes a hybrid solution combining the LCC inverter with the continuously controlled IGCT‐based
Yindi Liu   +3 more
doaj   +1 more source

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