Results 51 to 60 of about 16,999 (226)

Protection and post-fault recovery of large HVDC networks using partitioning and fast acting DC breakers at strategic locations [PDF]

, 2018
DC fault protection arrangements for a large multi-terminal HVDC network are proposed where fast-acting DC circuit breakers are only used at strategic locations with the large DC network to be operated interconnected but partitioned into islanded DC ...
Li, Rui, Rahman, Md Habibur, Xu, Lie, Yao, Liangzhong   +3 more
core  

Ultra‐Fast and Economical Pre‐Breakdown Electrochemical Synthesis of Intrinsically Conductive Polymer Suspension for Production of Safe Lithium‐Ion Batteries

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This paper presents a breakthrough pre‐breakdown electrochemical method for synthesizing polyNiMeOSalen suspensions, achieving an 83% yield and nanoscale dispersion ($1500/kg) and environmental impact (1.42 kg CO2eq/kg). We report a novel pre‐breakdown electrochemical synthesis method for producing polyNiMeOSalen suspensions with exceptional ...
Evgenii Beletskii, Valentin Romanovski, Mikhail Pinchuk, Vadim Snetov, Alexey Volkov, Peixia Yang, Yurii K. Gun'ko   +6 more
wiley   +1 more source

Experimental Test bed to De-Risk the Navy Advanced Development Model [PDF]

, 2017
This paper presents a reduced scale demonstration test-bed at the University of Texas’ Center for Electromechanics (UT-CEM) which is well equipped to support the development and assessment of the anticipated Navy Advanced Development Model (ADM).
Feng, X, Gattozzi, A, Hebner, R., Herbst, J, Pish, S, Strank, S, Wardell, D   +6 more
core   +1 more source

Requirements on MV DC circuit breakers

, 2022
Direct Current (DC) power transmission offers many benefits over Alternating Current (AC) and it is therefore making fast inroads in electrical energy systems all over the world. High voltage direct current transmission High-voltage Direct Current (HVDC) offers efficient transmission over long distances particularly when cables must be used, for ...
Norga, Staffan, Hatsagi, B., Costea, Stefan, Kopejtko, P., Cejnar, P., Mathe, J.   +5 more
openaire   +1 more source

Real‐Time Data‐Driven Fault Diagnosis of Photovoltaic Arrays Using an Edge‐Server Machine‐Learning Framework

Energy Science &Engineering, EarlyView.
A real‐time, data‐driven framework detects and classifies photovoltaic array faults using edge sensing and server‐side machine learning. Ensemble tree models achieve near‐perfect accuracy with low latency, enabling practical, low‐cost deployment for reliable PV monitoring and intelligent maintenance.
Premkumar Manoharan, Sowmya Ravichandran, Deepak Kumar Sinha, Chandran Ramakrishnan, Omar Almomani   +4 more
wiley   +1 more source

DC protection of a muti-terminal HVDC network featuring offshore wind farms [PDF]

, 1949
A protection scheme for DC faults has been designed for a multi-terminal HVDC network used to transfer energy from three large offshore wind farms to shore.
Parker, Max, Finney, Stephen, Holliday, Derrick   +2 more
core   +3 more sources

Analysis of the Feasibility of Using Hybrid DC Circuit Breakers with Forced Switching for Parallel Connections

Energies
The use of advanced switching technologies, including hybrid and fully semiconductor-based circuit breakers, enables a significant reduction in the prospective short-circuit current. This enhances the level of circuit protection by minimizing thermal and
Łukasz Nowak, Michał Rodak, Piotr Borkowski   +2 more
doaj   +1 more source

Study on working condition of 750 kV AC filter breaker in ± 1100 kV UHVDC system

The Journal of Engineering, 2019
In this article, the Changji-Guquan ± 1100 kV ultra-high voltage direct current (UHVDC) system has been established by PSCAD software, especially for the arc of the circuit breakers.
Zexin Zhao, Jie Guo, Fang Yu, Xuni Rao, Xiaoke Wu   +4 more
doaj   +1 more source

Multiterminal High‐Voltage Direct Current Projects: A Comprehensive Assessment and Future Prospects

High Voltage, EarlyView.
ABSTRACT Multiterminal high‐voltage direct current (MT‐HVDC) systems are an important part of modern power systems, addressing the need for bulk power delivery and efficient renewable energy integration. This paper provides a comprehensive overview of recent advances in MT‐HVDC technology, including launched projects and ongoing initiatives.
Mohammad Hossein Mousavi, Hassan Moradi, Kumars Rouzbehi, Vijay K. Sood   +3 more
wiley   +1 more source

Logic controlled solid state switchgear [PDF]

, 1973
Logic controlled solid state circuit breakers and power transfer switches have been designed and built to demonstrate their use for 270 V dc power systems. This switchgear provides remote operation, automatic current level, and operates several orders of
Buchanan, E., Waddington, D.
core   +1 more source