Results 11 to 20 of about 15,608,816 (291)
CFD Simulation of Transonic Flow in High-Voltage Circuit Breaker [PDF]
A high-voltage circuit breaker is an indispensable piece of equipment in the electric transmission and distribution systems. Transonic flow typically occurs inside breaking chamber during the current interruption, which determines the insulating ...
Xiangyang Ye, Mahesh Dhotre
doaj +2 more sources
The development of power grid system not only increases voltage and capacity, but also increases power risk. This paper briefly introduces the feature extraction method of the vibration signal of high voltage circuit breaker and support vector machine ...
Li Long +4 more
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Research of Fault Diagnosis Method for High-voltage Circuit Breaker Based on Data Fusio
In order to improve fault diagnosis level of high-voltage circuit breaker, the method of using D-S evidence theory to fuse data obtained by different types of sensors was researched and it was used in fault diagnosis for high-voltage circuit breaker ...
MIAO Hong-xia, WANG Hong-hua
doaj +1 more source
High efficiency smart voltage regulating module for green mobile computing [PDF]
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.In this thesis a design for a smart high efficiency voltage regulating module capable of supplying the core of modern microprocessors incorporating dynamic ...
Tapou, Monaf Sabri
core +7 more sources
Application of Multiscale Entropy in Mechanical Fault Diagnosis of High Voltage Circuit Breaker. [PDF]
Mechanical fault diagnosis of a circuit breaker can help improve the reliability of power systems. Therefore, a new method based on multiscale entropy (MSE) and the support vector machine (SVM) is proposed to diagnose the fault in high voltage circuit ...
Dou L, Wan S, Zhan C.
europepmc +2 more sources
Environmental Compatible Circuit Breaker Technologies [PDF]
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 ...
core +1 more source
A magnetically isolated gate driver for high-speed voltage sharing in series-connected MOSFETs [PDF]
A scalable resonant gate drive circuit is described, suitable for driving series-connected MOSFETs in high-voltage, high-speed inverter applications for resistive and capacitive loads.
McNeill, Neville +4 more
core +3 more sources
This paper presents a design and performance evaluation of three different overvoltage suppression circuits employed in a solid-state circuit breaker for medium- to high-power and low- to medium-voltage DC grids.
Andreas Giannakis, Dimosthenis Peftitsis
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Simulation of supersonic flow in high-voltage circuit breakers
High-voltage circuit breakers (HVCB) are critical protection and control equipment in the electric transmission and distribution system. Analysis of the arc quenching process in the nozzle through modelling and simulation is a key stage in the development process of the HVCB.
Qiao, Yujiao +2 more
openaire +2 more sources
New two chamber transfer switch for 6500 A commutation current
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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