Results 1 to 10 of about 19,543 (52)

Cases of possible structural-stratigraphic accumulations in the Oriente Basin, analysis on their accumulation mechanisms and implication for future exploration

open access: yesEnergy Geoscience
Three cases of structural-stratigraphic accumulations in the foredeep zone of the Oriente Basin have been analyzed. The target reservoirs are U and M1 sections of Napo Fm. in the Basin.
Feng Ding   +6 more
doaj   +1 more source

Cambrian-Devonian paleogeographic evolution of the western and central segments of North Africa

open access: yesEnergy Geoscience
This study reconstructs the lithofacies and paleogeographic evolution of North Africa during the Cambrian to Devonian periods, emphasizing the influence of tectonic events, sea-level fluctuations, and climatic changes on the region's depositional systems
Yilin Li   +6 more
doaj   +1 more source

SafetyGPT: An autonomous agent of electrical safety risks for monitoring workers’ unsafe behaviors

open access: yesInternational Journal of Electrical Power & Energy Systems
Workers’ unsafe behavior is one of the major causes of accidents in electric power production. Intelligent monitoring of workers’ unsafe behaviors can effectively prevent the expansion of safety risks, thereby blocking the development process of risks to
Wei Li   +5 more
doaj   +1 more source

Reward shaping-based deep reinforcement learning for look-ahead dispatch with rolling-horizon

open access: yesInternational Journal of Electrical Power & Energy Systems
The increasing penetration of renewable energy exacerbates the challenges in designing an effective and adaptable model-driven Look-ahead Dispatch (LAD) method.
Hongsheng Xu   +4 more
doaj   +1 more source

Design and experiments of a bidirectional thyristor bridge switch for LC commutation in high-current DC vacuum circuit breaker

open access: yesInternational Journal of Electrical Power & Energy Systems
In the Quench Protection System (QPS) of superconducting fusion device, high-current DC breaker is an important component. LC commutation circuit provides a negative pulse current to generate zero-crossing point in Vacuum Circuit Breaker (VCB) for DC ...
Meng Xu   +6 more
doaj   +1 more source

Open Access Area of the National Technical Library in Practice [PDF]

open access: yes, 2010
This thesis studies an open access area of National Technical Library (NTL). Thesis includes a description of the collection manipulation in Klementinum, including moving of the collection to deposits in its new building in Dejvice.
Kistanová, Marta
core  

Upcycling Photovoltaic Silicon Waste Into Cost‐Effectiveness Si/C Anode Materials

open access: yesCarbon Energy
While silicon/carbon (Si/C) is considered one of the most promising anode materials for the next generation of high‐energy lithium‐ion batteries (LIBs), the industrialization of Si/C anodes is hampered by high‐cost and low product yield.
Liao Shen   +8 more
doaj   +1 more source

Pilot protection based on voltage and current correlation for DC lines in mesh DC grid without boundary

open access: yesInternational Journal of Electrical Power & Energy Systems
As the scale of DC grids expands, the converter will be connected with multiple outgoing lines. In this context, locating current-limiting reactors at the outlet of the converter can effectively balance the contradiction between current-limiting ...
Zhihui Dai, Xu Shi
doaj   +1 more source

Electrified Carbon Cycling for Neutralizing the Steelmaking Industry

open access: yesCarbon Energy
The conventional steelmaking process emits 1.8 tons of CO2 to produce 1 ton of crude steel, making the steel industry the world's largest emitting manufacturing sector.
Yihong Yu   +7 more
doaj   +1 more source

Coordinated frequency regulation for thermal power unit and battery energy storage using dynamic proportional control

open access: yesInternational Journal of Electrical Power & Energy Systems
This paper addresses the issues of significant frequency regulation losses, short lifespan and poor economic performance of battery energy storage system in the combined frequency regulation process with the thermal power unit by proposing a coordinated ...
Gangui Yan   +6 more
doaj   +1 more source

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