Results 11 to 20 of about 9,614 (304)
Environmental Compatible Circuit Breaker Technologies [PDF]
, 2021 Recent research and development in the field of high-current circuit breaker technology are devoted to meeting two challenges: the environmental compatibility and new demands on electrical grids caused by the increasing use of renewable energies ...
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A current‐limiting DC circuit breaker with power flow control capability
IET Generation, Transmission & Distribution, 2022 Power flow controller (PFC), fault current limiter (FCL) and DC circuit breaker (DCCB) are important equipment in the DC grid. There are a large number of power electronic components in these equipment, resulting in high cost.
Shimin Xue +5 more
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Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2023 A need in finding of new ways of energy saving at open switchgears of power plants is substantiated. In order to increase energy saving efficiency, an auxiliary breaker is suggested to be inserted between a transformer of a block and its two high-voltage
A. S. Barukin +3 more
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The applications of anisotropic electrodes in vacuum circuit breakers to increase the switching life [PDF]
E3S Web of Conferences, 2021 The article analyzes the disadvantages of the vacuum circuit breaker, the transients that occur during switching, as well as the processes that lead to a decrease in the contact system resource. The simulation of the vacuum circuit breaker electrodes was
Samofalov Yuri +2 more
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New two chamber transfer switch for 6500 A commutation current
Global Energy Interconnection, 2018 HVDC transfer switches are used in different locations in electrode lines of HVDC transmission systems for their reconfigurations. They have to carry and commutate currents to the overload currents of HVDC transmission systems, which increased to 6,400A ...
Lutz-Rüdiger Jänicke +4 more
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Circuit breakers for addiction [PDF]
Internal Medicine Journal, 2007 AbstractThe phenomenon of addiction is complex, although its expression clinically is relatively straightforward. There is a series of neurophysiological changes that mediate changes in the mesolimbic and mesocortical systems which in turn lead to disturbances in reward mechanisms.
openaire +2 more sources
Optical fiber imaging for high speed plasma motion diagnostics: applied to low voltage circuit breakers [PDF]
, 2010 An integrated portable measurement system is described for the study of high speed and high temperature unsteady plasma flows such as those found in the vicinity of high current switching arcs.
Tribulato, G. +9 more
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Energies, 2020 The analysis and calculation of the short-circuit fault current in the DC grid is of great significance to the design and configuration of the converter station and DC circuit breaker parameters.
Haipeng Jia +5 more
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Research on the Difference Mechanism of High Voltage Circuit Breaker’s Opening/Closing Coil Current [PDF]
E3S Web of Conferences, 2021 High voltage circuit breakers are important protection and control equipment for the power grid. The defects and faults of the circuit breaker seriously affect the safety and stability of the power system.
Su Yi, Lu Yufeng, Zhang Lei, Rao Xiajin
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Design of ± 535 kV hybrid high voltage direct current (HVDC) circuit breaker
IET Generation, Transmission & Distribution, 2022 This paper proposes a ± 535 kV hybrid high voltage direct current (HVDC) circuit breaker. In this paper, the interruption processes of the main branch, transferring branch, and MOV (metal oxide varistors) branch are studied by PSCAD/EMTDC computer ...
Chenyang Liu +4 more
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