Results 21 to 30 of about 3,366,360 (289)

EVALUATION OF THE EFFICIENCY OF THE DEVICE FOR LIMITING TENSION OF THE WIRE IN A SHORT CIRCUIT

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2017
The intensity of the electrodynamic action of currents of a short circuit on the flexible conductors of overhead lines depends on the magnitude of currents of short-circuit. The commis sioning of new capacities is inevitably accompanied by an increase in
I. I. Sergey   +2 more
doaj   +1 more source

Comparing policy gradient and value function based reinforcement learning methods in simulated electrical power trade [PDF]

open access: yes, 2012
In electrical power engineering, reinforcement learning algorithms can be used to model the strategies of electricity market participants. However, traditional value function based reinforcement learning algorithms suffer from convergence issues when ...
Burt, Graeme   +3 more
core   +1 more source

Practical Model for Metamaterials in Wireless Power Transfer Systems

open access: yesApplied Sciences, 2020
Metamaterials (MTMs) with extraordinary electromagnetic properties are recently applied to wireless power transfer (WPT) systems to improve power transmission efficiency. Although theoretical progress has been made on MTMs in low frequency near field, in
Jingying Liu   +4 more
doaj   +1 more source

Highly Optimized Tolerance: Robustness and Power Laws in Complex Systems [PDF]

open access: yes, 1998
We introduce highly optimized tolerance (HOT), a mechanism that connects evolving structure and power laws in interconnected systems. HOT systems arise, e.g., in biology and engineering, where design and evolution create complex systems sharing common ...
Carlson, J. M., Doyle, John
core   +2 more sources

Issues in integrating existing multi-agent systems for power engineering applications [PDF]

open access: yes, 2005
Multi-agent systems (MAS) have proven to be an effective platform for diagnostic and condition monitoring applications in the power industry. For example, a multi-agent system architecture, entitled condition monitoring multi-agent system (COMMAS ...
Catterson, V.M.   +2 more
core   +1 more source

Characterizing the Oscillatory Properties of Bulk Electric Systems

open access: yesIEEE Access
This paper presents a process for characterizing the oscillatory dynamics of a large bulk power system. As a demonstration, the process is applied to the Western Interconnection of North America.
Daniel J. Trudnowski   +4 more
doaj   +1 more source

The influence of manual metal arc multiple repair welding of long operated waterwall on the structure and hardness of the heat affected zone of welded joints

open access: yesArchives of Metallurgy and Materials, 2017
Welded installations failures of power plants, which are often result from a high degree of wear, requires suitable repairs. In the case of cracks formed in the weld bead of waterwall, weld bead is removed and new welded joint is prepared. However, it is
Pikuła J., Łomozik M., Pfeifer T.
doaj   +1 more source

Selected Materials and Technologies for Electrical Energy Sector

open access: yesEnergies, 2023
Ensuring the energy transition in order to decrease CO2 and volatile organic compounds emissions and improve the efficiency of energy processes requires the development of advanced materials and technologies for the electrical energy sector.
Henryka Danuta Stryczewska   +5 more
doaj   +1 more source

A Comprehensive Review of Load Frequency Control Technologies

open access: yesEnergies
Load frequency control (LFC) is one of the most important tools in power system control. LFC is an auxiliary service related to the short-term balance of energy and frequency of power systems.
Désiré D. Rasolomampionona   +4 more
doaj   +1 more source

Introduction to "To the Question of Energy Use of Detonation Combustion" by Ya. B. Zel'dovich [PDF]

open access: yes, 2006
Ya. B. Zel’dovich (1914–1987) made numerous contributions [1] to the theory of detonation, beginning with his very well known and widely translated article [2] on detonation structure that first introduced the standard Zel’dovich-von Neumann-Döring (ZND)
Shepherd, J. E., Wintenberger, E.
core   +1 more source

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