Results 1 to 10 of about 4,678,626 (188)

INVESTIGATING THE PROTECTION SYSTEM OF ELECTRIC MOTORS BASED ON ITS MAIN WORKING PARAMETERS [PDF]

open access: yesScientific Journal of Silesian University of Technology. Series Transport, 2022
This research was devoted to the creation of a protection system for electric motors used in industry and transport, based on modern and traditional sensors.
Elshan MANAFOV   +2 more
doaj   +1 more source

State Evaluation and Fault Prediction of Protection System Equipment Based on Digital Twin Technology

open access: yesApplied Sciences, 2022
Digital twin technology aims to build a map of physical entities in virtual space, and simulate the real-time state and dynamic characteristics of physical devices through bi-directional interactive data flow.
Yuzhan Dong   +5 more
doaj   +1 more source

Reliability and redundancy allocation analysis applied to a nuclear protection system

open access: yesBrazilian Journal of Radiation Sciences, 2021
Brazil is constructing with national technology two small nuclear reactors for propulsion and for radioisotope production with thermal power levels between 20 and 50 MW. These nuclear reactors fit more in the class of small modular reactors (SMR) than in
Alexander Lucas Busse   +1 more
doaj   +1 more source

Development and Validation of a Special Protection System for Internal Fault in a High-Power Three-Level NPC VSC

open access: yesEnergies, 2021
This paper describes the development and validation of an innovative protection system based on medium-voltage fuses for a high-power switching conversion system.
Mattia Dan   +5 more
doaj   +1 more source

Sensitivity analysis of large leakage sodium-water reaction protection system critical parameters with paralleling steam generators in a sodium-cooled fast reactor

open access: yesHe jishu, 2023
BackgroundThe sodium-cooled fast reactor adopts the three loops design with sodium-sodium-water. When a double-ended guillotine (DEG) break occurs in the steam generator (SG) tube, a large leakage sodium-water reaction (SWR) accident occurs, which ...
BAI Xi   +4 more
doaj   +1 more source

Reconfiguration of Active Distribution Networks Equipped with Soft Open Points Considering Protection Constraints

open access: yesJournal of Modern Power Systems and Clean Energy, 2023
The purpose of active distribution networks (ADNs) is to provide effective control approaches for enhancing the operation of distribution networks (DNs) and greater accommodation of distributed generation (DG) sources.
Ali Azizi   +2 more
doaj   +1 more source

Design of Microgrid Protection Schemes Using PSCAD/EMTDC and ETAP Programs

open access: yesEnergies, 2020
Steady-state, harmonics, and transient analysis of a power system by using a detailed simulation model is essential to microgrid operation before the installation of new power facilities, because the microgrid, which is a small-scale independent power ...
Hyun Shin, Sang Heon Chae, Eel-Hwan Kim
doaj   +1 more source

Protection of intensive apple orhards from phytophages complex in steppe zone of Ukraine

open access: yesAgrology, 2021
According to long-term surveys of apple plantations in Ukraine, they are da­­­­maged by an unpaired western bark beetle (Xyleborus dispar F.). The share of this pest colonizing perennial plantations in Ukraine is about 30%, and there is also a tendency ...
L. P. Bandura   +2 more
doaj   +1 more source

Use of the cost-benefit analysis method in the risk management process of SMEs [PDF]

open access: yesSHS Web of Conferences, 2021
Research background: Property protection is a worldwide very often used term in the conditions of various sectors. It represents a set of measures that have a preventive effect on the risk of damage to the building.
Makka Katarina, Kampova Katarina
doaj   +1 more source

Methodology for Management of the Protection System of Smart Power Supply Networks in the Context of Cyberattacks

open access: yesEnergies, 2021
This paper examines an approach that allows one to build an efficient system for protecting the information resources of smart power supply networks from cyberattacks based on the use of graph models and artificial neural networks.
Igor Kotenko   +3 more
doaj   +1 more source

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