Results 31 to 40 of about 313,973 (156)

Predetermination of Currents and Field in Short-Circuit Voltage Operation for an Axial-Flux Permanent Magnet Machine [PDF]

open access: yes, 2008
Risk of irreversible magnet demagnetization during short-circuit fault is analyzed in case of an axial-flux dual-rotor machine, using a three-dimensional finite-element method (3D-FEM).
HENNERON, Thomas   +3 more
core   +3 more sources

A comprehensive study of the short-circuit ruggedness of silicon carbide power MOSFETs [PDF]

open access: yes, 2016
The behavior of Silicon Carbide Power MOSFETs under stressful short circuit conditions is investigated in this paper. Illustration of two different short-circuit failure phenomena for Silicon Carbide Power MOSFETs are thoroughly reported.
Breglio, Giovanni   +6 more
core   +2 more sources

An Impact Assessment of a Transportable BESS on the Protection of Conventional Distribution Systems

open access: yesEnergies
The integration of new battery technologies has become a focal point for distribution utilities, driven by decreasing costs and the need for fast responsiveness. Transportable battery energy storage systems (TBESSs) offer additional flexibility, allowing
Antonio E. C. Momesso   +5 more
doaj   +1 more source

Less-conventional low-consumption galvanic separated MOSFET-IGBT gate drive supply [PDF]

open access: yes, 2017
A simple half-bridge, galvanic separated power supply which can be short circuit proof is proposed for gate driver local supplies. The supply is made while hacking a common mode type filter as a transformer, as the transformer shows a good insulation, it
Bikorimana, Jean Marie Vianney   +1 more
core   +3 more sources

Propositional logic with short-circuit evaluation: a non-commutative and a commutative variant [PDF]

open access: yes, 2018
Short-circuit evaluation denotes the semantics of propositional connectives in which the second argument is evaluated only if the first argument does not suffice to determine the value of the expression.
Bergstra, Jan A.   +2 more
core   +1 more source

Short circuit study of fixed speed wind turbines with STATCOM in distribution networks [PDF]

open access: yes, 2015
The increased penetration of wind farm in distribution networks has brought changes in the performance of the whole system. Such disadvantages when connecting one of these distributed generation sources is reduced voltage and power stability of the AC ...
Darwish, M, Naain, MM, Zobaa, AF
core   +1 more source

Analytical determination of the frequency of short circuits of the arc at surfacing in gas dioxide with welding pool mechanical oscillations [PDF]

open access: yesЖурнал інженерних наук, 2017
A hypothesis has been put forward that it is possible to reduce the degree of splashing when surfacing into carbon dioxide due to the setting of the frequency characteristics of the oscillation of the weld pool.
V. A. Lebedev, S. V. Novikov, S. A. Loy
doaj  

Short- circuit tests of circuit breakers [PDF]

open access: yes, 2015
This paper deals with short-circuit tests of low voltage electrical devices. In the first part of this paper, there are described basic types of short- circuit tests and their principles.
Chorovský, P.
core  

A novel fault location method for a cross-bonded hv cable system based on sheath current monitoring [PDF]

open access: yes, 2018
In order to improve the practice in the operation and maintenance of high voltage (HV) cables, this paper proposes a fault location method based on the monitoring of cable sheath currents for use in cross-bonded HV cable systems.
Huang, Xiaojun   +6 more
core   +1 more source

Analysis of Transient Actions Influence in Power Transformer

open access: yesAdvances in Electrical and Electronic Engineering, 2011
This article is focused on the theory of unacceptable effect on transformer winding, mainly the overvoltages and the mechanical forces. In the next part of the article is described the measurement of selfdischarging voltage frequency dependence on ...
Josef Jurcik   +2 more
doaj   +1 more source

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