Results 81 to 90 of about 1,814,391 (304)

System security of hybrid AC-HVDC-systems challenges and new approaches for combined security assessment, preventive optimization and curative actions

open access: yesGlobal Energy Interconnection, 2018
The intense application of Voltage Source Converter based HVDC interconnections and grids will result in a hybrid AC-HVDC-system. The operation of such a system becomes complex regarding system security and system operation.
Florian Sass   +3 more
doaj   +1 more source

Future work on harmonics : some expert opinions part I : wind and solar power [PDF]

open access: yes, 2014
A workshop on power system harmonics was organized in Stockholm in January 2014. On the agenda was among others a discussion on what are the main issues on harmonics at the moment and in the near future.
Amaris, Hortensia   +9 more
core   +1 more source

Planning of Grid‐Interactive Flexibility Resources Under Carbon‐Emission Constraints

open access: yesIET Smart Energy Systems, Volume 2, Issue 1, Page 16-33, March 2026.
High renewable penetration drives the transition of power system planning; this study finds that carbon pricing promotes photovoltaic expansion, whereas deep decarbonisation necessitates diverse technologies and enhanced cross‐regional transmission. ABSTRACT High renewable penetration and stringent decarbonisation targets are reshaping power system ...
Shichang Cui   +6 more
wiley   +1 more source

Research on Serial VSC-LCC Hybrid HVdc Control Strategy and Filter Design Scheme

open access: yesEnergies, 2020
This paper investigated the characteristics of a novel type of hybrid high voltage direct current (HVdc) converter, which is composed by line commutated converter series with voltage source converter.
Fan Cheng, Lijun Xie, Zhibing Wang
doaj   +1 more source

System configuration, fault detection, location, isolation and restoration: a review on LVDC Microgrid protections [PDF]

open access: yes, 2019
Low voltage direct current (LVDC) distribution has gained the significant interest of research due to the advancements in power conversion technologies. However, the use of converters has given rise to several technical issues regarding their protections
Bououden   +11 more
core   +1 more source

Enhanced Independent Pole Control of Hybrid MMC-HVdc System [PDF]

open access: yesIEEE Transactions on Power Delivery, 2018
This paper presents an enhanced independent pole control scheme for hybrid modular multilevel converter (MMC) based on full bridge sub-module (FBSM) and half bridge sub-module (HBSM). A detailed analysis of power distribution between upper and lower arms under asymmetrical DC pole voltages is presented.
Wang Xiang   +3 more
openaire   +2 more sources

Technical Progress, Challenges and Prospects of HVDC Cable Accessories: A Review With Chinese Practice Insights

open access: yesHigh 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

Operation and control of hybrid HVDC system with LCC and full‐bridge MMC connected in parallel

open access: yesIET Generation, Transmission & Distribution, 2020
In this study, a new kind of hybrid high-voltage direct current (HVDC) system is proposed. Each terminal of the proposed system consists of one line commutated converter (LCC) and one full-bridge modular multilevel converter (FB-MMC).
Huangqing Xiao   +3 more
semanticscholar   +1 more source

Distributed Model Predictive Control of Microgrids: A Review on Recent Developments

open access: yesIET Control Theory &Applications, Volume 20, Issue 1, January/December 2026.
This paper presents a comprehensive review of distributed model predictive control (DMPC) for microgrids, synthesizing recent developments from the past decade. The review categorizes DMPC implementations by communication architectures, control challenges, and algorithmic strategies, while evaluating their performance in terms of computational burden ...
Hossein G. Sahebi   +2 more
wiley   +1 more source

Adequate Operation of Hybrid AC/MT-HVDC Power Systems Using an Improved Multi- Objective Marine Predators Optimizer [PDF]

open access: gold, 2021
Abdallah M. Elsayed   +4 more
openalex   +1 more source

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